WO2023190049A1 - 全有機炭素計、燃焼反応部、及び全有機炭素測定方法 - Google Patents

全有機炭素計、燃焼反応部、及び全有機炭素測定方法 Download PDF

Info

Publication number
WO2023190049A1
WO2023190049A1 PCT/JP2023/011551 JP2023011551W WO2023190049A1 WO 2023190049 A1 WO2023190049 A1 WO 2023190049A1 JP 2023011551 W JP2023011551 W JP 2023011551W WO 2023190049 A1 WO2023190049 A1 WO 2023190049A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
organic carbon
total organic
liquid sample
combustion reaction
Prior art date
Application number
PCT/JP2023/011551
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
アグネス アイラース
麻由佳 山本
亮太 高坂
ブリジェッシュ シャルマ
博 内原
貴仁 井上
Original Assignee
ホリバ トカデロ ゲーエムベーハー
株式会社堀場アドバンスドテクノ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ホリバ トカデロ ゲーエムベーハー, 株式会社堀場アドバンスドテクノ filed Critical ホリバ トカデロ ゲーエムベーハー
Priority to KR1020247030346A priority Critical patent/KR20240165344A/ko
Priority to JP2024512278A priority patent/JPWO2023190049A1/ja
Priority to CN202380027920.XA priority patent/CN118843793A/zh
Publication of WO2023190049A1 publication Critical patent/WO2023190049A1/ja

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/10—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using catalysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/004—CO or CO2
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/021—Gases
    • G01N2291/0217—Smoke, combustion gases

Definitions

  • the present invention relates to a total organic carbon meter used, for example, in analyzing water quality, a combustion reaction part used therein, and a total organic carbon measuring method.
  • this type of total organic carbon meter is configured to lead a liquid sample to a combustion furnace to burn all the organic carbon contained in the liquid sample, and to detect carbon dioxide produced thereby. There is something.
  • a vaporizing member made of a large number of layered granules is housed in the combustion furnace, and multiple types of granules may be used in order to make this vaporizing member exhibit desired combustion characteristics.
  • More specific embodiments include an embodiment in which a laminated structure of at least two layers is formed, for example, the first layer is composed of small-diameter granules and the second layer is composed of large-diameter granules. .
  • a configuration is being considered that eliminates the need for on-site filling work by forming a vaporizing member made of layered granules into a cartridge in advance.
  • a vaporizing member is formed by laminating two or more layers of granular materials as described above, different types of granular materials may be generated at the boundaries between layers due to vibrations of the cartridge-formed vaporizing member during transportation, for example. They get mixed up.
  • the above-mentioned problem is not limited to the case where the vaporizing member is made into a cartridge, but can occur in any environment where vibrations are transmitted to the vaporizing member.
  • the present invention has been made to solve the above-mentioned problems, and is intended to prevent different types of granules from being mixed together in a vaporizing member formed by laminating two or more layers of different types of granules, thereby achieving a desired result.
  • the main challenge is to ensure combustion characteristics.
  • the total organic carbon meter according to the present invention is a total organic carbon meter that measures the total organic carbon contained in a liquid sample, and is a total organic carbon meter that measures the total organic carbon contained in the liquid sample, and uses a combustion reaction that burns the total organic carbon contained in the liquid sample to generate carbon dioxide. and a carbon dioxide detection section for detecting carbon dioxide generated by the combustion reaction section, the combustion reaction section being housed in the combustion furnace main body and the combustion furnace main body, and comprising stacking granular materials.
  • a vaporizing member having at least a first layer formed by laminating a granular material different from the first layer, and a partition member interposed between the first layer and the second layer. It is characterized by having.
  • the first layer and the second layer are separated by a partition member, so it is possible to prevent different types of granular materials from mixing at the boundary between these layers.
  • the vaporizing member can exhibit desired combustion characteristics.
  • partition member for example, a mesh-like member made of metal or ceramics can be considered.
  • a mesh-like member made of metal or ceramics
  • the partition member is removed from between the first layer and the second layer when measuring the liquid sample. In this case, since the partition member is removed at the time of measurement, it is possible to solve problems such as clogging when using a mesh-like member as described above.
  • the removal mechanism is a heating mechanism that heats the vaporization member when measuring the liquid sample.
  • the heating mechanism used during measurement also serves as the removal mechanism, so there is no need for a dedicated mechanism or special operation for removing the partition member, and existing device configurations and programs can be used. can.
  • the partition member is a combustible film. With this, the partition member can be removed from between the first layer and the second layer without substantially leaving it behind.
  • the partition member is located at least at a part of the granules forming the first layer that is located on the second layer side, or at least at least a part of the granules forming the second layer that is located on the first layer side. It is preferable that it partially envelops. With this, the first layer and the second layer can be easily partitioned.
  • either the first layer or the second layer comprises a catalyst that improves the vaporization efficiency of the other layer.
  • the combustion furnace main body includes an inner furnace body and an outer furnace body surrounding the inner furnace body, and the combustion furnace body
  • the members are unitized and can be attached to and detached from the outer furnace body all at once.
  • a carrier gas is supplied to the combustion reaction section to guide the generated carbon dioxide to the carbon dioxide detection section.
  • this carrier gas was supplied through a sample introduction tube that introduces a liquid sample into the combustion reaction section. ing.
  • the carrier gas dries the liquid sample, causing suspended matter and salts in the sample to adhere to the inner wall of the sample introduction tube. If the sample introduction tube is blocked by this, a problem arises in that maintenance is required. Therefore, a sample introduction tube introduces the liquid sample into the combustion reaction section from above the combustion reaction section, and a carrier gas supply tube through which the sample introduction tube passes through the interior and supplies carrier gas to the combustion reaction section. It is preferable to further include. With such a configuration, the internal flow path of the sample introduction tube and the internal flow path of the carrier gas supply tube can be made independent, and it is possible to prevent the liquid sample from drying out due to the carrier gas.
  • the liquid sample can be introduced into the combustion reaction section without remaining in the sample introduction tube.
  • the internal flow path of the sample introduction tube and the internal flow path of the carrier gas supply tube are made independent, there is a concern that the liquid sample may adhere to the lower opening of the sample introduction tube, which may lead to combustion. A desired amount of liquid sample is not supplied to the reaction section, leading to measurement errors. Therefore, it is preferable that the lower opening of the sample introduction tube is located further below than the lower opening of the carrier gas supply tube. With this, the carrier gas is sprayed onto the liquid sample adhering to the lower opening of the sample introduction tube, making it possible to supply the desired amount of liquid sample to the combustion reaction section and ensuring measurement accuracy.
  • the combustion reaction section according to the present invention is a combustion reaction section used in a total organic carbon meter that measures total organic carbon contained in a liquid sample, and is housed in a combustion furnace main body, and is housed in the combustion furnace main body. , a vaporizing member having at least a first layer formed by laminating granular materials, and a second layer formed by laminating granular materials different from the first layer; and between the first layer and the second layer. and a partition member interposed between. According to such a combustion reaction section, the same effects as the above-mentioned total organic carbon meter can be achieved.
  • the total organic carbon measuring method according to the present invention is a total organic carbon measuring method for measuring total organic carbon contained in a liquid sample, and the total organic carbon contained in the liquid sample is combusted to generate carbon dioxide.
  • a partition member is interposed in advance between the first layer and the second layer.
  • FIG. 1 is a schematic diagram showing the configuration of a total organic carbon meter according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram showing the flow path configuration of the same embodiment.
  • FIG. 3 is a schematic diagram showing the internal structure of the combustion reaction unit of the same embodiment.
  • FIG. 3 is a schematic diagram showing a unitized inner furnace body and vaporization member of the same embodiment.
  • FIG. 3 is a schematic diagram showing a partition member of the same embodiment.
  • FIG. 7 is a schematic diagram showing a partition member of another embodiment.
  • FIG. 7 is a schematic diagram showing a partition member of another embodiment.
  • FIG. 7 is a schematic diagram showing a partition member of another embodiment.
  • FIG. 7 is a schematic diagram showing a partition member of another embodiment.
  • the total organic carbon meter 100 indicates the total amount of organic matter contained in a liquid sample such as tap water or sewage by the amount of carbon contained in the organic matter, and is specifically shown in FIG.
  • the apparatus includes an apparatus main body 10, a sampling unit 20, a combustion reaction unit 30, a dehumidification unit 40, and a control unit 50.
  • the device main body 10 includes a housing 11 that houses the units 20 to 50 described above, and each of the units 20 to 50 is attached to the housing 11 with fasteners such as screws. . Note that each of these units 20 to 50 is removable from the housing 11, so that the user can customize the arrangement of each unit 20 to 50 within a certain degree of freedom.
  • the sampling unit 20 includes a sample container 21 in which a liquid sample is stored, a pretreatment section including a valve 22 for feeding an acid such as hydrochloric acid into the sample container 21, and a carrier gas supply.
  • a nebulizer may be provided upstream of the combustion reaction unit 30, which will be described later, to continuously measure organic carbon.
  • the total organic carbon in the liquid sample can be measured, and the measured value (amount and concentration) can be measured. ) by subtracting the measured value obtained by measuring organic carbon, the measured value of inorganic carbon can be obtained.
  • the combustion reaction unit 30 includes a sample measuring section 31 that measures a predetermined amount of the liquid sample sampled by the above-described sampling unit 20, and a combustion reaction unit into which the predetermined amount of the measured liquid sample is injected. 32.
  • the sample measuring section 31 measures a predetermined amount of a liquid sample using, for example, a member with a known volume.
  • a metering tube 31 having a constant volume flow path is used.
  • the end of the measuring tube 31 is connected to a storage container 3x having a storage space inside.
  • a predetermined amount of the measured liquid sample is introduced into the combustion reaction section 32 from the sample introduction tube 311, as shown in FIG.
  • This sample introduction tube 311 is for introducing a liquid sample into the combustion reaction section 32 from above the combustion reaction section 32, and has a lower opening 311a disposed inside a combustion furnace main body 33, which will be described later, and for introducing the liquid sample into the combustion reaction section 32. It becomes a discharge port for discharging.
  • the carrier gas dries the liquid sample, and suspended substances and salts in the liquid sample adhere to the inner wall of the sample introduction tube 311. If this causes the sample introduction tube 311 to become blocked, maintenance will be required. However, if the carrier gas is not allowed to flow, there is a possibility that some of the carbon dioxide generated in the combustion reaction section 32 will not be sent to the carbon dioxide detection section X and will remain.
  • the combustion reaction unit 30 of this embodiment is further equipped with a carrier gas supply pipe 312 through which the sample introduction pipe 311 described above passes and which supplies carrier gas to the combustion reaction section 32. ing.
  • This carrier gas supply pipe 312 constitutes a double pipe structure together with the sample introduction pipe 311 described above. With this configuration, the internal space of the sample introduction tube 311 and the internal space of the carrier gas supply tube 312 are formed as independent channels through which the liquid sample and the carrier gas flow without mixing with each other.
  • the sample introduction tube 311 here penetrates the inside of the carrier gas supply tube 312, as shown in FIG. 3, and at least a part (downstream end) of the sample introduction tube 311 , are arranged inside the carrier gas supply pipe 312.
  • the carrier gas supply pipe 312 here is composed of an upstream element 312a and a downstream element 312b, and these upstream element 312a, downstream element 312b, and sample introduction tube 311 are connected via a joint. It is connected.
  • the specific configuration is not limited to this, and may be changed as appropriate.
  • the lower opening 311a of the sample introduction tube 311 is located further below the lower opening 311a of the carrier gas supply tube 312.
  • the lower opening 311a of the sample introduction tube 311 is located further below the lower opening 311a of the carrier gas supply tube 312. It is located outside the tube 312.
  • the carrier gas supply pipe 312 of this embodiment is connected to a branch flow path L that is branched from the flow path that constitutes the carrier gas supply section 23 described above via a three-way valve V1. There is.
  • the combustion reaction section 32 receives a predetermined amount of liquid sample from the sample introduction tube 311 and burns all the organic carbon contained in the liquid sample to generate carbon dioxide.
  • this combustion reaction section 32 has a feature, so the details will be described later.
  • the dehumidification unit 40 includes a dehumidifier 41 to which the gas generated by the combustion reaction unit 30 described above is introduced, and a dehumidifier 41 in which the acid used in the pretreatment described above is vaporized from the gas after passing through the dehumidifier 41.
  • the absorber 42 removes corrosive gas.
  • the gas that has passed through the dehumidification unit 40 passes through a filter and is guided to the carbon dioxide detection section X, as shown in FIG. Note that the carbon dioxide detection section It is being However, the type and arrangement of the detectors are not limited to this and may be changed as appropriate.
  • the control unit 50 is physically a dedicated or general-purpose computer equipped with a CPU, memory, AD converter, input/output means, etc., and functionally operates according to an analysis program stored in a predetermined area of the memory. By doing so, it exhibits at least the function of calculating the amount and concentration of total organic carbon contained in the liquid sample based on the light intensity signal detected by the above-mentioned detection unit. Further, the control unit 50 may have a function as a display unit that displays the amount and concentration of total organic carbon or the status of the device on a display or the like.
  • combustion reaction section 32 which is a characteristic part of the total organic carbon meter 100 of this embodiment, will be described in detail.
  • this combustion reaction section 32 includes a combustion furnace main body 33, a vaporization member 34 housed inside the combustion furnace main body 33, a holding member 35 that holds the vaporization member 34, and a combustion furnace main body 33 that holds the vaporization member 34.
  • a heating mechanism 36 for heating is provided.
  • the combustion furnace main body 33 has a cylindrical shape into which a liquid sample is introduced through an opening at one end and extracts carbon dioxide from an opening at the other end. It has a double-tube structure including an inner furnace body 331 and an outer furnace body 332 surrounding it.
  • the inner furnace body 331 is made of ceramics, for example, and is interposed between the outer furnace body 332 and the vaporizing member 34 to prevent cracks and the like due to expansion of the outer furnace body 332.
  • the outer furnace body 332 is made of ceramics, for example, and is provided with a gap between the outer circumferential surface 331b of the inner furnace body 331 and the center axis of the outer furnace body 332 and the inner furnace body 331. They are arranged so that they are coaxial with the central axis.
  • the vaporization member 34 is accommodated in the combustion furnace main body 33 and vaporizes the liquid sample. More specifically, this vaporizing member 34 is provided inside the inner furnace body 331 and is made up of a large number of granular bodies R1 and R2.
  • This vaporizing member 34 has at least a first layer formed by laminating a certain type of granular material R1, and a second layer formed by laminating a different type of granular material R2 from the first layer.
  • first layer formed by laminating a certain type of granular material R1
  • second layer formed by laminating a different type of granular material R2 from the first layer.
  • the vaporizing member 34 of this embodiment has a two-layer structure consisting of a first layer and a second layer, with the first layer being located above and the second layer being located below the first layer. .
  • the vaporization member 34 may have a multilayer structure consisting of three or more layers.
  • the granules R1 forming the first layer and the granules R2 forming the second layer have different physical properties, such as size, material, shape, hardness, They differ from each other in at least one of true specific gravity, bulk density, coefficient of thermal expansion, thermal conductivity, specific surface area, and chemical properties such as active ingredients.
  • the granules R1, R2 forming one of the first layer or the second layer are granular catalysts that improve the vaporization efficiency of the other of the first layer or the second layer, such as for burning a liquid sample.
  • granular catalysts that improve the vaporization efficiency of the other of the first layer or the second layer, such as for burning a liquid sample. Examples include oxidation catalysts that oxidize combustion gas produced by
  • the granules R1 and R2 forming the other of the first layer and the second layer burn the liquid sample by being heated to a high temperature by a heating mechanism 36, which will be described later, and are made of ceramics, for example. be able to.
  • the heating temperature of the vaporizing member 34 can be lowered, and the combustion efficiency of the liquid sample can be improved. becomes.
  • the vaporization member 34 does not necessarily need to have a layer made of catalyst; for example, the granules R1 forming the first layer and the granules R2 forming the second layer may have different sizes. It may be made of ceramics.
  • the holding member 35 is provided below the vaporizing member 34 of the inner furnace body 331, as shown in FIG. It is something.
  • This holding member 35 is made of ceramics and has a passage passage 35L through which gas generated from the liquid sample passes. Specific examples include a honeycomb plate having a plurality of passage passages 35L. .
  • the above-mentioned inner furnace body 331, vaporization member 34, and holding member 35 are integrated into a unit, and are configured to be detachable from the outer furnace body 332 all at once. has been done.
  • one or more holes h are provided in the upper part of the inner furnace body 331, and another member can be hooked into the holes h.
  • the heating mechanism 36 includes a heater surrounding the axial center of the outer furnace body 332, and heats the vaporizing member 34 to a predetermined heating temperature (for example, 600° C. or higher).
  • the vaporization member 34 of this embodiment further includes a partition member 37 interposed between the first layer and the second layer described above.
  • This partition member 37 is interposed between the first layer and the second layer when the vaporization member 34 is unused, in other words, before the vaporization member 34 is used for measuring the liquid sample. When measuring , it is removed from between the first layer and the second layer. Note that the term “removed” here includes not only the removal of all remaining components, but also the case where a small amount remains as long as it does not affect the analysis results.
  • This partition member 37 partitions the granules R1 forming the first layer and the granules R2 forming the second layer, and prevents these granules from mixing with each other.
  • the partition member 37 of this embodiment wraps up a part located on the second layer side or at least a part of the granular bodies R2 constituting the second layer located on the first layer side.
  • the partition member 37 here encloses only a part of the granular material R1 constituting the first layer that is located on the second layer side (lower side in this embodiment).
  • the partition member 37 is flammable, and specifically, it is a thin combustible film made of C (carbon), O (oxygen), H (hydrogen), etc.
  • combustion reaction section 32 of this embodiment further includes a removal mechanism 38 that removes the partition member from between the first layer and the second layer, as shown in FIG.
  • This removal mechanism 38 removes the layer between the first layer and the second layer by heating the partition member 37, for example, heating the partition member 37 to 600° C. or higher.
  • the heating mechanism 36 described above is also used as the removal mechanism 38. That is, the heating mechanism 36 (removal mechanism 38) of this embodiment heats the vaporization member 34 during measurement, and also heats and removes the partition member 37 before measurement.
  • the partition member 37 separates the first layer and the second layer constituting the vaporization member 34, different types of granular materials R1 and R2 are separated at the boundary between these layers. can be prevented from mixing, and the vaporizing member 34 can exhibit desired combustion characteristics.
  • the partition member 37 of the present embodiment is a flammable film and is removed from between the first layer and the second layer when measuring a liquid sample, so when the above-mentioned mesh-like partition member 37 is used, can solve problems such as clogging.
  • the removal mechanism 38 that removes the partition member 37 from between the first layer and the second layer is provided, the removal of the partition member 37 before measurement can be automated. Furthermore, since this removal mechanism 38 is a heating mechanism 36 that heats the vaporization member 34 during measurement of a liquid sample, there is no need for a dedicated mechanism for removing the partition member 37 or a special operation for removing it. Existing device configurations and programs can be used.
  • the partition member 37 encloses only a part of the granules R1 constituting the first layer that are located on the second layer side, for example, when enclosing all of the granules R1 constituting the first layer, In comparison, it takes less time to wrap.
  • the inner furnace body 331 and the vaporizing member 34 are unitized, although it is possible to improve workability such as replacing the vaporizing member 34, dissimilar granular particles R1 due to vibration during transportation of the unitized , R2 can be prevented from mixing.
  • the sample introduction tube 311 is provided so as to penetrate inside the carrier gas supply tube 312, the internal flow path of the sample introduction tube 311 and the internal flow path of the carrier gas supply tube 312 can be made independent. This makes it possible to prevent the liquid sample from drying out due to the carrier gas.
  • the carrier gas is sprayed onto the liquid sample attached to the lower opening 311a of the sample introduction tube 311. Therefore, a desired amount of liquid sample can be supplied to the combustion reaction section 32, and measurement accuracy can be ensured.
  • the partition member 37 encloses only a part of the granular material R1 that constitutes the first layer, which is located on the second layer side, but as shown in FIG. It may also wrap around all of the granules R1 constituting one layer.
  • the partition member 37 does not wrap around the granular bodies R1 that constitute the first layer, but at least a portion of the granular bodies R2 that constitutes the second layer, which is located on the first layer side. It may also be something that encompasses.
  • each of the granular bodies R1 constituting the first layer and the granular bodies R2 constituting the second layer may be surrounded by another partition member 37.
  • the partition member 37 may be made of, for example, paper or cloth, and does not necessarily have to be flammable, and may be made of, for example, a wire mesh.
  • partition member 37 only needs to be one that is interposed between the first layer and the second layer to separate these layers, and does not necessarily need to be one that wraps around the granules R1 and R2.
  • the removal mechanism 38 is not limited to one that heats the partition member 37; for example, one that supplies liquid to the partition member 37 to melt it, or one that pulls out the partition member 37 between the first layer and the second layer, etc. It's okay.
  • the carrier gas supply pipe 312 through which the sample introduction pipe 311 passes is provided, but this carrier gas supply pipe 312 does not necessarily need to be provided, and the carrier gas is configured to flow through the sample introduction pipe 311. It's okay if it's done.
  • a vaporizing member formed by laminating two or more layers of different types of granules desired combustion characteristics can be ensured by preventing different types of granules from mixing.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Combustion & Propulsion (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
PCT/JP2023/011551 2022-03-31 2023-03-23 全有機炭素計、燃焼反応部、及び全有機炭素測定方法 WO2023190049A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020247030346A KR20240165344A (ko) 2022-03-31 2023-03-23 전(全)유기탄소계, 연소 반응부, 및 전유기탄소 측정 방법
JP2024512278A JPWO2023190049A1 (enrdf_load_stackoverflow) 2022-03-31 2023-03-23
CN202380027920.XA CN118843793A (zh) 2022-03-31 2023-03-23 总有机碳计、燃烧反应部和总有机碳测定方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022-060825 2022-03-31
JP2022060825 2022-03-31

Publications (1)

Publication Number Publication Date
WO2023190049A1 true WO2023190049A1 (ja) 2023-10-05

Family

ID=88202098

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2023/011551 WO2023190049A1 (ja) 2022-03-31 2023-03-23 全有機炭素計、燃焼反応部、及び全有機炭素測定方法

Country Status (4)

Country Link
JP (1) JPWO2023190049A1 (enrdf_load_stackoverflow)
KR (1) KR20240165344A (enrdf_load_stackoverflow)
CN (1) CN118843793A (enrdf_load_stackoverflow)
WO (1) WO2023190049A1 (enrdf_load_stackoverflow)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS545666Y2 (enrdf_load_stackoverflow) * 1974-09-18 1979-03-13
JPS58131563A (ja) * 1982-01-30 1983-08-05 Shimadzu Corp 揮発性有機炭素の測定法および測定装置
JPS61104256A (ja) * 1984-10-26 1986-05-22 Shimadzu Corp 全揮発性有機化合物分析装置
JPH10221327A (ja) * 1997-02-04 1998-08-21 Toray Eng Co Ltd 全窒素測定装置
JP2005024489A (ja) * 2003-07-02 2005-01-27 Toray Eng Co Ltd 水質分析装置
JP2007212452A (ja) * 2006-01-24 2007-08-23 Leco Corp トップローディング式反応物管を備えた分析装置
JP5012580B2 (ja) * 2008-03-04 2012-08-29 東亜ディーケーケー株式会社 接触燃焼式分析計及び接触燃焼式分析計用気化部材

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1906988A1 (de) 1969-02-07 1970-08-20 Siemens Ag Hochspannungsschalter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS545666Y2 (enrdf_load_stackoverflow) * 1974-09-18 1979-03-13
JPS58131563A (ja) * 1982-01-30 1983-08-05 Shimadzu Corp 揮発性有機炭素の測定法および測定装置
JPS61104256A (ja) * 1984-10-26 1986-05-22 Shimadzu Corp 全揮発性有機化合物分析装置
JPH10221327A (ja) * 1997-02-04 1998-08-21 Toray Eng Co Ltd 全窒素測定装置
JP2005024489A (ja) * 2003-07-02 2005-01-27 Toray Eng Co Ltd 水質分析装置
JP2007212452A (ja) * 2006-01-24 2007-08-23 Leco Corp トップローディング式反応物管を備えた分析装置
JP5012580B2 (ja) * 2008-03-04 2012-08-29 東亜ディーケーケー株式会社 接触燃焼式分析計及び接触燃焼式分析計用気化部材

Also Published As

Publication number Publication date
CN118843793A (zh) 2024-10-25
JPWO2023190049A1 (enrdf_load_stackoverflow) 2023-10-05
KR20240165344A (ko) 2024-11-22

Similar Documents

Publication Publication Date Title
US7888126B2 (en) Filter for determination of mercury in exhaust gases
JP2010534401A (ja) 脱硫器構体における硫黄破過を検出するオンライン監視構体及び硫黄破過検出方法
JP4535886B2 (ja) 標準ガス調製装置及びこれを用いた性能検査装置
WO2023190049A1 (ja) 全有機炭素計、燃焼反応部、及び全有機炭素測定方法
US8609045B1 (en) Mercury monitoring system and reaction chamber for enhancing conversion of elemental mercury gas into oxidized mercury
CA2729318C (en) System and method for detecting pluggage in a conduit for delivery of solids and carrier gases to a flowing gas stream
JP4816420B2 (ja) 塩素分析装置
JP2014139563A (ja) 濃度測定装置
WO2022071111A1 (ja) 全有機炭素計及び燃焼反応ユニット
JP2005077355A (ja) 水銀濃度測定装置、及び水銀濃度測定方法
CN107003291A (zh) 用于测定与样品的一种或多种组分的浓度有关的被测变量的分析装置
JP2005024489A (ja) 水質分析装置
US20180135287A1 (en) Filtering Toilet
JP4908683B2 (ja) 酸化窒素分析用装置および酸化窒素測定用センサ素子
US7306770B2 (en) High temperature combustion tube
JP2008232695A (ja) 水質分析計
JP2010210447A (ja) 燃焼式水質測定装置
US12306095B2 (en) System and method for detecting mercury and total organic carbon in burnt product
KR100755898B1 (ko) 열분해가스화 소각기기 및 그 용도
RU2722135C1 (ru) Система регулирования многокомпонентной кислородсодержащей газовой среды в герметичном контейнере и способ задействования системы
JP2019101013A (ja) ガスセンサ
CN219897668U (zh) 一种挥发性有机物光热转化装置
KR102656780B1 (ko) Lngc 화물창 기밀 검사 시스템
JP4116423B2 (ja) スパンガス発生用パーミエーションチューブを備えた分析計
JP2013032235A (ja) 燃料電池用改質システムおよび硫黄検出器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23780060

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2024512278

Country of ref document: JP

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 202380027920.X

Country of ref document: CN

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 23780060

Country of ref document: EP

Kind code of ref document: A1