WO2006003982A1 - 揮発性溶解物の検出装置と検出方法 - Google Patents
揮発性溶解物の検出装置と検出方法 Download PDFInfo
- Publication number
- WO2006003982A1 WO2006003982A1 PCT/JP2005/012055 JP2005012055W WO2006003982A1 WO 2006003982 A1 WO2006003982 A1 WO 2006003982A1 JP 2005012055 W JP2005012055 W JP 2005012055W WO 2006003982 A1 WO2006003982 A1 WO 2006003982A1
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- container
- liquid
- detection
- volatile
- test
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
- G01N2001/2267—Sampling from a flowing stream of gas separating gas from liquid, e.g. bubbles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/4055—Concentrating samples by solubility techniques
- G01N2001/4066—Concentrating samples by solubility techniques using difference of solubility between liquid and gas, e.g. bubbling, scrubbing or sparging
Definitions
- the present invention relates to a detection container capable of storing a substantially constant amount of liquid while leaving a space above, a nozzle capable of blowing bubbles in the liquid stored in the detection container, and blowing out the nozzle
- a pressurized gas supply device capable of supplying a pressurized gas for use, and a detection part of a sensor capable of detecting a volatile component facing the communication path communicating with the upper part of the detection container
- the present invention relates to a detection device and a detection method for a volatile dissolved substance that is provided so that a volatile component volatilized from a liquid in a container for use can be introduced into the communication path and can be detected by the sensor.
- mineral water is commercialized through various processes such as peculiar filtration, precipitation, and heat sterilization treatment of raw water such as groundwater collected from a specific water source.
- raw water is contaminated with microorganisms and chemicals, raw water transport and storage containers, pipelines when bottling are contaminated with microorganisms and chemicals, pipelines when bottling, etc. If products of other varieties or cleaning chemicals remain on the product, a strange odor may be added to the product.
- metal oxide semiconductor type gas sensors hot wire type gas sensors, solid electrolyte type gas sensors, infrared type gas sensors and the like are known as sensors for detecting volatile components in the natural atmosphere. These gas sensors are small, inexpensive, and relatively easy to handle. However, the sensor alone cannot be used to detect trace amounts of volatile organic compounds contained in the atmosphere as described above because it is affected by atmospheric temperature fluctuations, humidity fluctuations, and mixed gases. Therefore, for example, a metal oxide semiconductor gas sensor that can detect the gas species with the highest sensitivity eliminates the effects of variable factors such as temperature, humidity, and miscellaneous gases, and is volatile at a ppb (one billionth) level. Sexual components can be detected.
- the detection device includes a detection container capable of storing a substantially constant amount of liquid leaving a space above, a nozzle capable of blowing bubbles in the liquid stored in the detection container, and a pressurized gas for blowing to the nozzle.
- a pressurized gas supply device capable of supplying water, and a detection part of a sensor capable of detecting volatile components is placed in the communication path communicating with the upper part of the detection container to volatilize from the liquid in the detection container. Volatile components are introduced into the communication path so that they can be detected by the sensor.
- a substantially constant amount of liquid weighed in advance is placed in a detection container so that the volatile component can be detected with high accuracy under a certain condition, and the substantially constant amount of liquid container is measured.
- the sensor is configured to detect volatilized volatile components.
- Patent Document 1 JP-A-11-83701
- a first characteristic configuration of the present invention is a detection container capable of storing a substantially constant amount of liquid with a space left above, and a nozzle capable of blowing bubbles in the liquid stored in the detection container.
- a pressurized gas supply device capable of supplying a pressurized gas for blowing to the nozzle, and a sensor capable of detecting a volatile component in a communication path communicating with an upper portion of the detection container.
- a detection device for a volatile dissolved substance that is provided so as to be detected by the sensor by introducing a volatile component that has volatilized from the liquid in the detection container into the communication path with the detection unit facing.
- a supply mechanism capable of supplying liquid in the liquid container to the detection container, and an overflow mechanism for overflowing the liquid exceeding the predetermined amount to the outside of the detection container force container. It is in the established point .
- the liquid supply machine of the liquid container When the liquid is supplied to the detection container depending on the structure and the liquid is supplied to the detection container over a certain amount, the liquid exceeding the certain amount overflows to the outside of the detection container force container and enters the detection container. Can store a substantially constant amount of liquid.
- a second characteristic configuration of the present invention is that the overflow pipe is connected to the detection container to constitute the overflow mechanism, and a valve that can open and close the overflow pipe is provided. .
- the overflow mechanism is configured by connecting the overflow pipe to the detection container, the liquid exceeding a certain amount can overflow the detection container through the overflow pipe to the outside of the container.
- a valve that can open and close the overflow pipe is provided, so that after an almost constant amount of liquid enters the detection container, the overflow atmosphere is prevented so that the atmosphere outside the container does not enter the detection container through the overflow pipe.
- the tube can be kept closed and volatile components can be detected with higher accuracy.
- a liquid supply path from the liquid container to the detection container and a liquid discharge path communicating with the outside of the container are alternatively selected at a lower end portion of the detection container.
- the valve mechanism that can be connected is provided.
- a valve mechanism is provided that can selectively connect the liquid supply path from the liquid container to the detection container and the liquid discharge path communicating with the outside of the container to the lower end of the detection container.
- the liquid supply path can be connected to the lower end of the detection container for supply.
- the liquid discharge path can be connected to the lower end of the detection container to discharge the liquid, and supply and discharge of the liquid to and from the detection container can be performed. It can be performed simply.
- liquid supply to detection containers such as pure water liquid containers such as distilled water and ion exchange water
- a valve mechanism capable of selectively connecting the channel and the liquid discharge channel communicating with the outside of the container to the lower end portion of the detection container, after supplying pure water to the detection container, By discharging water, the detection container can be easily washed.
- the pressurized gas supply device in order to configure the supply mechanism, is provided so that a pressurized gas can be supplied to the liquid container, and the liquid is supplied from the pressurized gas supply device.
- the pressurized gas supply device By supplying pressurized gas to the container, the liquid in the liquid container can be supplied to the detection container.
- a pressurized gas supply device provided so as to be able to supply a pressurized gas for blowing out to a nozzle capable of blowing bubbles in the liquid of the detection container is used to apply the pressurized gas.
- a supply device is provided so that pressurized gas can be supplied to the liquid container, and by supplying pressurized gas from the pressurized gas supply device to the liquid container, the liquid in the liquid container can be supplied to the detection container. Therefore, it is possible to simplify the structure of the supply mechanism.
- the fifth characteristic configuration of the present invention includes a detection result of the reference volatile component volatilized from the reference liquid, and a detection result of the sensor volatile component volatilized from the test liquid. And volatile dissolved matter in the test liquid can be detected; ⁇ .
- a sixth characteristic configuration of the present invention is that the detection container is provided so that it can alternatively accommodate a substantially constant amount of the reference liquid and a substantially constant amount of the test liquid.
- the detection container is alternatively accommodated with a substantially constant amount of the reference liquid and a substantially constant amount of the test liquid. Since the reference liquid and the test liquid can be accommodated in the detection container in substantially the same fixed amount, the structure can be simplified.
- a reference liquid container capable of storing the reference liquid and a test liquid container capable of storing the test liquid are separately provided, and the supply mechanism includes: The reference liquid in the reference liquid container and the test liquid in the test liquid container are provided so as to be selectively supplied to the detection container.
- a reference liquid container that can store a reference liquid and a test liquid container that can store a test liquid are provided separately, and a supply mechanism is provided for the reference liquid in the reference liquid container and the test liquid container. Since the test liquid can be selectively supplied to the detection container, the reference liquid is stored in the reference liquid container, and the test liquid is stored in the test liquid container. For example, the reference liquid and the liquid to be tested can be accommodated in the detection container in substantially the same amount without requiring any operation by the person in charge of detection.
- the eighth characteristic configuration of the present invention is a detection container capable of storing a substantially constant amount of liquid leaving a space above, and a nozzle capable of blowing bubbles in the liquid stored in the detection container.
- a detection unit of a sensor capable of detecting a volatile component is provided in a communication path communicating with the upper part of the detection container using a pressurized gas supply device capable of supplying pressurized gas for blowing to the nozzle.
- the liquid stored in the liquid container is supplied to the detection container by the supply mechanism and supplied to the detection container. If the liquid exceeds a certain amount, it will exceed that amount.
- the detection container forces the body and lies in overflowing outside of the container.
- the liquid stored in the liquid container is supplied to the detection container by the supply mechanism, and the detection container If the liquid supplied to the container exceeds a certain amount, the liquid exceeding the certain amount also overflows the detection container force to the outside of the container. Even if the supply amount of the liquid exceeds a substantially constant amount, the detection container can store a substantially constant amount of liquid.
- the detection device includes a supply mechanism D that can alternatively supply the reference liquid A in the reference liquid container 2 and the test liquid B in the test liquid container 3 to the detection container 1, and an abbreviation.
- An overflow mechanism E is provided to overflow the reference liquid A or the test liquid B exceeding a certain amount from the detection container 1 to the outside of the container.
- the detection container 1 is provided with a powerful nozzle 4 such as a publishing porous glass sphere that can blow out bubbles in the reference liquid A or the test liquid B contained in the detection container 1. It is provided.
- a sensor control unit 6 that controls the operation of the gas sensor S and makes the detection unit of the gas sensor S capable of detecting volatile components face the upper communication pipe line 5 communicating with the upper part of the detection container 1.
- a data processing unit 7 for processing the detection data from the gas sensor S and displaying the detection result.
- Gas for reference volatile components volatilized from reference liquid A which is detected by gas sensor S after introducing the volatile component volatilized from reference liquid A in sample container 1 to liquid B to be detected into upper communication line 5 Comparing the detection result of S with the detection result of the gas sensor S of the test volatile components volatilized from the test liquid B, the volatile dissolved matter in the test liquid B can be detected. .
- the upper communication pipe 5 is provided with a first three-way valve VI in the middle thereof, and the first communication pipe 5a facing the detection section is replaced with the second communication pipe 5b on the detection container 1 side.
- the second station Close the communication line 5b and connect the first communication line 5a to the outside of the container, or close the second communication line 5b and block the communication between the first communication line 5a and the outside of the container. It is configured to be switchable.
- the overflow mechanism E has an overflow pipe 8 connected to the detection container 1 so that the reference liquid A or the test liquid B exceeding a certain amount passes through the overflow pipe 8 from the detection container 1 to the container. It is configured to overflow to the outside. Further, the overflow mechanism E connects the overflow pipe 8 and the first drain discharge pipe F1 communicating with the outside of the container via the second three-way valve V2, and connects the first drain discharge pipe F1 to the overflow pipe. 8 is provided so as to be switchable between a state where it is connected to 8 and a state where the overflow pipe 8 is closed and the first drain discharge pipe F 1 is connected to the outside of the container.
- the supply mechanism D includes a reference liquid supply line G1 from the reference liquid container 2 to the detection container 1, and a test liquid supply line G2 from the test liquid container 3 to the detection container 1.
- the second drain discharge line (liquid discharge path) F2 that communicates with the outside of the container can be selectively connected to the lower communication line 9 that communicates with the lower end of the detection container 1. Is provided. Then, the start end of the reference liquid supply pipe G1 enters near the bottom of the reference liquid container 2, and the start end of the test liquid supply pipe G2 enters near the bottom of the test liquid container 3.
- the test liquid B in the liquid container 3 can be selectively supplied to the detection container 1 by extrusion through the lower communication pipe 9.
- the supply mechanism D is configured to be able to discharge the liquid in the detection container 1 to the outside of the container through the second drain discharge pipe F2.
- the liquid valve mechanism H includes a third three-way valve V3 that selectively connects the reference liquid supply line G1 and the test liquid supply line G2 to the first intermediate supply line J1, and (1) A fourth three-way valve V4 that alternatively connects the intermediate supply line J1 and the second drain discharge line F2 to the second intermediate supply line J2, and the lower communication line 9 of the detection container 1 A fifth three-way valve V5 that selectively connects the third drain discharge pipe F3 communicating with the outside of the container to the second intermediate supply pipe J2 is provided.
- the clean air that has passed through the filter or the like is compressed and compressed by a compressor or the like and stored in the air tank 10, and the pressurized air in the air tank 10 is supplied to the nozzle 4 or each liquid container 2 , 3 is provided with a pressurized air supply device L equipped with a pressurized air supply mechanism K to supply pressurized air for blowing (an example of pressurized gas) to the nozzle 4
- the compressed liquid container 2 can be supplied to the liquid container 3 to be tested.
- the pressurized air supply mechanism K includes an air supply pipe M connected to the air tank 10, a first air supply pipe Ml for supplying pressurized air to the nozzle 4, a reference liquid container 2, and a test object.
- the liquid container 3 branches to a second air supply pipe M2 that supplies pressurized air to the liquid container 3.
- a needle valve 11 and a flow meter 12 are connected to each of the first and second air supply pipes Ml and M2 in order of upstream force.
- the pressurized air supply mechanism K connects the nozzle side air pipe 13 connected to the nozzle 4 and the first air supply pipe Ml via the sixth three-way valve V6.
- the air supply pipe M1 is connected in communication with the nozzle-side air pipe 13, the nozzle-side air pipe 13 is closed to block the flow of pressurized air from the first air supply pipe Ml, and the first air Switching between the supply pipe Ml and the outside of the container is also possible.
- the container-side air pipe 14 and the second air supply pipe M2, which are branched and connected to the upper space of the reference liquid container 2 and the upper space of the test liquid container 3, are connected via a seventh three-way valve V7.
- the container-side air pipe 14 can be switched between the state in which the second air supply pipe M2 is connected in communication and the state in which the second air supply pipe M2 is closed and the container-side air pipe 14 is connected in communication with the outside of the container! RU
- the needle valve 11 and the flow meter 12 may be connected to each of the first and second air supply pipes Ml and M2 in order from the downstream side.
- the gas sensor S is a metal oxide semiconductor gas sensor.
- the detection unit (sensing element) is mainly composed of a metal oxide semiconductor such as tin oxide (SnO).
- the sensor control unit 6 controls the heating of the heater combined electrode of the sensing element.
- the data processing unit 7 is configured to detect a volatile component from the resistance change of the gas sensitive body.
- the gas sensitive body was formed by supporting 1.5 wt% of palladium (Pd) on the main component tin oxide.
- the gas sensitive body hydrolyzes an aqueous solution of salty tin (SnCl) with ammonia (NH).
- the stannic acid sol was obtained, air-dried and then calcined in the air at, for example, 500 ° C. for 1 hour, impregnated with an aqueous solution of palladium, for example, at 500 ° C. in the air. Calcination was carried out for a period of time to load the medium.
- an equal amount of 1000-mesh alumina is mixed with acid tin that supports aluminum, and then terbineol is calcined to form a paste, and then a heater electrode and a resistance detection electrode For example, it is formed by baking in air at 500 ° C. for 1 hour.
- the detection container 1, the reference liquid container 2, the test liquid container 3, and the overflow pipe 8, various pipes 5, 9, F1 to F3, Gl, G2, Jl, J2, and various air pipes 13, 14 and the air supply pipes M, Ml, M2, etc. are made of a material that does not adsorb the volatile components to be detected, such as glass teflon (registered trademark) resin.
- the reference liquid container 2 contains reference liquid A such as pure water, the test liquid container 3 and the test liquid B, and the first to seventh three-way valves as shown in Fig. 1. Switches between V1 and V7. That is, the second three-way valve V2 connects the overflow pipe 8 and the first drain discharge pipe F1.
- the third to fifth three-way valves V3 to V5 connect the reference liquid container 2 and the empty detection container 1 to the reference liquid supply line G1, the first intermediate supply line J1, and the second intermediate supply line. Communicate through the route J2 and the lower communication line 9.
- the first three-way valve VI blocks communication between the first communication line 5a and the second communication line 5b.
- the sixth three-way valve V6 blocks communication between the first air supply pipe Ml and the nozzle-side air pipe 13.
- the seventh three-way valve V7 blocks communication between the second air supply pipe M2 and the container-side air pipe 14.
- the seventh three-way valve V7 is switched to supply pressurized air to the reference liquid container 2 so that the container-side air pipe 14 communicates with the second air supply pipe M2. Then, supply the reference liquid A to the detection container 1. Excess reference liquid A is allowed to overflow from the overflow pipe 8, leaving a space C in the upper part, and storing a substantially constant amount of the reference liquid A in the detection container 1.
- V5 is switched to block communication between the reference liquid container 2 and the detection container 1.
- the container side air pipe 14 is outside the container.
- the sixth three-way valve V6 is set so that the nozzle side air pipe 13 communicates with the first air supply pipe Ml so that the amount of the reference liquid A in the detection container 1 during publishing can be kept substantially constant. Switch to generate bubbles so that the reference liquid A in the detection container 1 overflows the overflow pipe.
- the second three-way valve V2 is switched so that the communication between the overflow pipe 8 and the first drain discharge pipe F1 is blocked and the overflow pipe 8 is closed.
- the first three-way valve VI is switched so that the first communication line 5a and the second communication line 5b communicate with each other, and the reference liquid A force has been volatilized by publishing the nozzle 4 force. Introduced to upper communication line 5.
- a reference volatile component is detected by the gas sensor S, and this detection data is processed by the data processing unit 7 and the detection result is stored in a memory or the like and displayed on a liquid crystal monitor or the like.
- the first three-way valve VI is switched so that the communication between the second communication line 5a and the first communication line 5b is blocked, and the second communication line 5b Shut off.
- the fifth three-way valve V5 is switched so that the lower communication line 9 communicates with the second intermediate supply line J2, and the reference liquid A in the detection container 1 passes through the second drain discharge line F2 to the outside of the container. To discharge.
- the second three-way valve V2 is switched so that the overflow pipe 8 and the first drain discharge pipe F1 communicate with each other.
- the test liquid container 3 and the empty detection container 1 are connected via the test liquid supply line G2, the first intermediate supply line J1, the second intermediate supply line J2, and the lower communication line 9. Switch the 3rd and 4th three-way valves V3 and V4 so that they communicate.
- the sixth three-way valve V6 is switched so that the communication between the nozzle side air pipe 13 and the first air supply pipe Ml is cut off.
- the seventh three-way valve V7 is switched so that the container-side air pipe 14 communicates with the second air supply pipe M2, and pressurized air is supplied to the test liquid container 3, and the test liquid B is supplied to the detection container. Supply to 1.
- the excess test liquid B is allowed to overflow from the overflow pipe 8 and a substantially constant amount of the test liquid B is stored in the detection container 1.
- V5 is switched to block communication between the liquid container 3 to be detected and the detection container 1.
- the container side air pipe 14 Switch the seventh three-way valve V7 so that it communicates with, and stop supplying pressurized air to the liquid container 3 to be tested.
- the sixth three-way valve V6 is connected so that the nozzle-side air pipe 13 communicates with the first air supply pipe Ml so that the amount of the liquid B to be detected in the detection container 1 during publishing can be substantially constant. To generate bubbles so that the test liquid B in the detection container 1 overflows from the overflow pipe 8.
- the third and fourth three-way valves V3 and V4 are switched so that the reference liquid container 2 and the third drain discharge pipe F3 communicate with each other.
- the seventh three-way valve V7 is switched so that the container-side air pipe 14 communicates with the second air supply pipe M2.
- pressurized air is supplied to the reference liquid container 2, and the reference liquid A is passed through the first intermediate supply line J1 and the second intermediate supply line J2, and from the third drain discharge line F3.
- the first intermediate supply line J1 and the second intermediate supply line J2 are washed, and the remaining test liquid B is discharged.
- the fourth three-way valve V4 is switched so that the second intermediate supply line J2 communicates with the second drain discharge line F2 and the third drain discharge line F3.
- the communication between the reference liquid container 2 and the third drain discharge pipe F3 is cut off.
- the seventh three-way valve V7 is switched so that the container-side air pipe 14 communicates with the outside of the container, and the supply of pressurized air to the reference liquid container 2 is stopped. 1 Shut off the communication with the drain discharge pipe F1 and switch the second three-way valve V2 so that the overflow pipe 8 is closed.
- the first three-way valve VI is switched so that the first communication line 5a and the second communication line 5b communicate with each other, and the test volatile component volatilized from the test liquid B by the four-force nozzle publishing Introduced into communication path 5.
- the detection data of the volatile component to be detected detected by the gas sensor S is processed by the data processing unit 7, and the detection result is stored in a memory or the like and displayed on a liquid crystal monitor or the like.
- the first three-way valve VI is switched so that the communication between the first communication line 5a and the second communication line 5b is blocked, and the second communication line 5b Shut off.
- the fifth three-way valve V5 is switched so that the lower communication line 9 communicates with the second intermediate supply line J2, and the test liquid B in the detection container 1 passes through the second drain discharge line F2 to the outside of the container. To discharge.
- the second three-way valve V2 is switched so that the overflow pipe 8 and the first drain discharge pipe F1 communicate with each other.
- the reference liquid container 2 and the empty detection container 1 The reference liquid supply line Gl, the first intermediate supply line Jl, the second intermediate supply line J2, and the lower communication line 9 are switched to switch the fourth three-way valve V4 to communicate with the reference liquid.
- the second three-way valve V2 is switched so as to cut off the communication between the overflow pipe 8 and the first drain discharge pipe F1.
- the fourth three-way valve V4 is switched so that the lower communication line 9 communicates with the second drain discharge line F2, and the reference liquid A in the detection container 1 is passed through the second drain discharge line F2. Discharge to the outside. Repeat these operations several times (2 to 3 times) to clean the inside of the detection container 1.
- the reference volatile component is detected again by the gas sensor S, and the detected data is processed by the data processing unit 7.
- the detection result is stored in a memory and displayed on a liquid crystal monitor.
- the data processing unit 7 compares the detection data of the test volatile component with the detection data of the reference volatile component detected before and after the detection of the test volatile component. Calculate the presence / absence and amount of volatile dissolved matter dissolved in liquid B, and display the presence / absence and amount of dissolution on a liquid crystal monitor.
- the volatile dissolved matter detection device is a volatile organic compound that can cause off-flavors and aromas in trace amounts of raw water such as mineral water and soft drinks, as well as wastewater from sewage treatment facilities and various factories. It may be used for detecting volatile organic compounds therein.
- the detector for detecting volatile dissolved matter may use a hot-wire gas sensor, a solid electrolyte gas sensor, an infrared gas sensor, or the like as a sensor.
- the detection device for volatile dissolved matter according to the present invention may be provided with an overflow mechanism for supplying a liquid exceeding a certain amount to the upper opening force of the detection container and overflowing the outside of the container.
- a detection device for a volatile lysate comprises a combination of a liquid container for storing a reference liquid and a detection container for storing only the reference liquid in the liquid container; You may provide the combination of the liquid container which accommodates a body, and the container for a detection which accommodates only the to-be-tested liquid of the liquid container.
- the volatile lysate detection apparatus may be provided with a single liquid container and a supply mechanism capable of supplying only the liquid in the single liquid container to the detection container.
- the liquid container may be provided so that the reference liquid and the test liquid can be alternatively accommodated.
- the volatile dissolved matter detection device may be configured to manually switch the first to seventh three-way valves V1 to V7 shown in the embodiment.
- a control device for controlling the switching operation of the first to seventh three-way valves V1 to V7 may be provided so that the supply mechanism D, the overflow mechanism E, and the pressurized air supply mechanism K operate in cooperation.
- the volatile lysate detection apparatus may use a test liquid that has been subjected to adsorption treatment with an adsorbent of odorous components such as pure water and activated carbon as a reference liquid in a reference liquid container. good.
- test liquid subjected to the adsorption process When the test liquid subjected to the adsorption process is used as the reference liquid, the test liquid may be accommodated in the reference liquid container together with the adsorbent. Alternatively, the test liquid that has been subjected to adsorption treatment through activated carbon or the like may be stored in a reference liquid container and used.
- the volatile dissolved matter detection apparatus can detect volatile components easily and accurately under certain conditions. Therefore, in order to detect volatile organic compounds that can cause off-flavors and flavors in trace amounts of raw water such as mineral water and soft drinks, as well as volatile organic compounds in wastewater from sewage treatment facilities and various factories. Can be used.
- FIG. 1 Schematic diagram of a volatile lysate detector
- FIG.2 Schematic diagram of volatile lysate detector ⁇ 3] Schematic diagram of the volatile lysate detector ⁇ 4] Schematic diagram of the volatile lysate detector ⁇ 5] Schematic diagram of the volatile lysate detector ⁇ 6] Schematic diagram [Fig. 7] Schematic diagram of volatile lysate detector ⁇ 8] Schematic diagram of volatile lysate detector ⁇ 9] Schematic diagram of volatile lysate detector ⁇ 10] Volatile lysate detector Schematic diagram of the detector ⁇ 11] Schematic diagram of the volatile lysate detector ⁇ 12] Schematic diagram of the volatile lysate detector Symbol explanation
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Abstract
Description
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05755747A EP1767919A4 (en) | 2004-07-02 | 2005-06-30 | DEVICE AND METHOD FOR DETECTING VOLATILE SOLVENT SUBSTANCES |
US11/631,070 US7845208B2 (en) | 2004-07-02 | 2005-06-30 | Apparatus and method for detecting volatile dissolved substance |
AU2005258447A AU2005258447B2 (en) | 2004-07-02 | 2005-06-30 | Device and method for detecting volatile dissolved matter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004-197086 | 2004-07-02 | ||
JP2004197086A JP4194982B2 (ja) | 2004-07-02 | 2004-07-02 | 揮発性溶解物の検出装置と検出方法 |
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Publication Number | Publication Date |
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WO2006003982A1 true WO2006003982A1 (ja) | 2006-01-12 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/012055 WO2006003982A1 (ja) | 2004-07-02 | 2005-06-30 | 揮発性溶解物の検出装置と検出方法 |
Country Status (8)
Country | Link |
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US (1) | US7845208B2 (ja) |
EP (1) | EP1767919A4 (ja) |
JP (1) | JP4194982B2 (ja) |
KR (1) | KR20070026684A (ja) |
CN (1) | CN1981185A (ja) |
AU (1) | AU2005258447B2 (ja) |
TW (1) | TW200617366A (ja) |
WO (1) | WO2006003982A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020065981A1 (ja) * | 2018-09-28 | 2020-04-02 | 日本電気株式会社 | データ処理装置、測定システム、データ処理方法、測定方法、およびプログラム |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101300063A (zh) * | 2005-09-21 | 2008-11-05 | 斯达克公司 | 沥青反应器和混合系统 |
GB0606976D0 (en) * | 2006-04-07 | 2006-05-17 | Kelman Ltd | Apparatus for performing dissolved gas analysis |
WO2013051605A1 (ja) * | 2011-10-03 | 2013-04-11 | 独立行政法人海洋研究開発機構 | 水生生物の飼育システムとその飼育方法 |
JP6597043B2 (ja) * | 2015-08-19 | 2019-10-30 | 東亜ディーケーケー株式会社 | 反応槽ユニット、ガス化装置、前処理装置および水銀計 |
US10337131B2 (en) * | 2017-05-12 | 2019-07-02 | Handi Quilter, Inc. | Reconfigurable fabric frame for a maneuverable sewing machine |
DE102017119439A1 (de) * | 2017-08-24 | 2019-02-28 | Khs Gmbh | Verfahren zum Steuern der Menge eines auf einen Träger aufzubringenden Klebemittels |
CN109524136B (zh) * | 2018-11-22 | 2022-05-20 | 西南石油大学 | 一种高能管断裂甩击行为的试验装置及方法 |
US11119011B2 (en) * | 2019-02-12 | 2021-09-14 | National Tsing Hua University | Method for extracting and detecting volatile organic compounds |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08105881A (ja) * | 1994-10-04 | 1996-04-23 | Shokuhin Sangyo Intelligence Control Gijutsu Kenkyu Kumiai | 醤油諸味中のエタノール濃度の測定方法 |
JP2530416B2 (ja) * | 1993-08-23 | 1996-09-04 | アサヒビール株式会社 | 発泡性液体の試料調製装置 |
JP2001272321A (ja) * | 2000-03-27 | 2001-10-05 | Yokogawa Electric Corp | 汚染除去機能付き分析計 |
JP3554761B2 (ja) * | 1998-05-19 | 2004-08-18 | 横河電機株式会社 | 水中臭気物質測定装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2987912A (en) * | 1956-06-01 | 1961-06-13 | Mine Safety Appliances Co | Method and apparatus for measurement of gas dissolved in a liquid |
US3740320A (en) * | 1971-01-25 | 1973-06-19 | R Arthur | Apparatus and method for measuring the amount of gas absorbed or released by a substance |
CA1095737A (en) * | 1977-03-09 | 1981-02-17 | Dennis J. C. Macourt | Chemical analysis and mineral prospecting |
US4740356A (en) * | 1983-06-10 | 1988-04-26 | The Perkin-Elmer Corporation | Device for producing a gaseous measuring sample for atomic absorption spectroscopy |
FR2613247B1 (fr) * | 1987-04-06 | 1991-08-30 | Rhone Poulenc Chimie | Appareil de detection et/ou de mesure par separation et changement de phase |
JPH0754841Y2 (ja) | 1990-01-16 | 1995-12-18 | 工業技術院長 | 試料液等の吸引補給及び加圧送出装置 |
DE4007064A1 (de) * | 1990-03-07 | 1991-09-12 | Bayer Ag | Vorrichtung zur bestimmung fluechtiger stoffe in einer fluessigkeit |
US5222032A (en) * | 1990-10-26 | 1993-06-22 | E. I. Du Pont De Nemours And Company | System and method for monitoring the concentration of volatile material dissolved in a liquid |
US5604297A (en) * | 1991-02-19 | 1997-02-18 | Seiden; Louis W. | Degassing techniques applied to sealed containers for beverages, waste water and respirometers for bacteria |
GB9206796D0 (en) * | 1992-03-27 | 1992-05-13 | Thames Water Utilites Limited | Apparatus and method for monitoring condition of a biomass |
JPH1183701A (ja) | 1997-09-05 | 1999-03-26 | Mitsubishi Electric Corp | におい測定装置 |
CA2253690A1 (en) * | 1998-11-09 | 2000-05-09 | Fantom Technologies Inc. | Method and apparatus for measuring the degree of treatment of a medium by a gas |
JP4634720B2 (ja) * | 2004-01-20 | 2011-02-16 | サントリーホールディングス株式会社 | ガス検出方法および検出装置 |
-
2004
- 2004-07-02 JP JP2004197086A patent/JP4194982B2/ja active Active
-
2005
- 2005-06-30 KR KR1020067027689A patent/KR20070026684A/ko not_active Application Discontinuation
- 2005-06-30 CN CNA2005800222881A patent/CN1981185A/zh active Pending
- 2005-06-30 EP EP05755747A patent/EP1767919A4/en not_active Withdrawn
- 2005-06-30 AU AU2005258447A patent/AU2005258447B2/en not_active Ceased
- 2005-06-30 US US11/631,070 patent/US7845208B2/en not_active Expired - Fee Related
- 2005-06-30 WO PCT/JP2005/012055 patent/WO2006003982A1/ja active Application Filing
- 2005-07-01 TW TW094122428A patent/TW200617366A/zh unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2530416B2 (ja) * | 1993-08-23 | 1996-09-04 | アサヒビール株式会社 | 発泡性液体の試料調製装置 |
JPH08105881A (ja) * | 1994-10-04 | 1996-04-23 | Shokuhin Sangyo Intelligence Control Gijutsu Kenkyu Kumiai | 醤油諸味中のエタノール濃度の測定方法 |
JP3554761B2 (ja) * | 1998-05-19 | 2004-08-18 | 横河電機株式会社 | 水中臭気物質測定装置 |
JP2001272321A (ja) * | 2000-03-27 | 2001-10-05 | Yokogawa Electric Corp | 汚染除去機能付き分析計 |
Non-Patent Citations (2)
Title |
---|
See also references of EP1767919A4 * |
SHUJI URABE ET AL: "Josuijo Gensui no Biryo Yubun Kanshi System (Feasibility Study of Oil Contamination Monitoring System for Water Plants)", YOKOGAWA GIHO, vol. 42, no. 4, 20 October 1998 (1998-10-20), pages 139 - 142, XP002998250 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020065981A1 (ja) * | 2018-09-28 | 2020-04-02 | 日本電気株式会社 | データ処理装置、測定システム、データ処理方法、測定方法、およびプログラム |
JPWO2020065981A1 (ja) * | 2018-09-28 | 2021-08-30 | 日本電気株式会社 | データ処理装置、測定システム、データ処理方法、測定方法、およびプログラム |
JP7180682B2 (ja) | 2018-09-28 | 2022-11-30 | 日本電気株式会社 | データ処理装置、測定システム、データ処理方法、測定方法、およびプログラム |
Also Published As
Publication number | Publication date |
---|---|
AU2005258447B2 (en) | 2011-03-17 |
EP1767919A4 (en) | 2012-03-28 |
JP4194982B2 (ja) | 2008-12-10 |
US20090188299A1 (en) | 2009-07-30 |
TW200617366A (en) | 2006-06-01 |
KR20070026684A (ko) | 2007-03-08 |
AU2005258447A1 (en) | 2006-01-12 |
JP2006017635A (ja) | 2006-01-19 |
CN1981185A (zh) | 2007-06-13 |
EP1767919A1 (en) | 2007-03-28 |
US7845208B2 (en) | 2010-12-07 |
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