CN208537402U - A kind of rapid-digestion spectrophotometer method detection device - Google Patents
A kind of rapid-digestion spectrophotometer method detection device Download PDFInfo
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- CN208537402U CN208537402U CN201821153620.9U CN201821153620U CN208537402U CN 208537402 U CN208537402 U CN 208537402U CN 201821153620 U CN201821153620 U CN 201821153620U CN 208537402 U CN208537402 U CN 208537402U
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Abstract
The utility model belongs to COD detection technique field, more particularly to a kind of rapid-digestion spectrophotometer method detection device, including box body, liquid dispensing device, casing bit, seal pipe and lamp changing device, the side on the box body top is equipped with operation panel, and the box body top on the right side of operation panel is equipped with power interface, box body top on rear side of the operation panel is equipped with casing bit, seal pipe is placed in described sleeve pipe device, box body top on the left of described sleeve pipe device is equipped with liquid dispensing device, the front of described sleeve pipe device is equipped with monochromator, and monochromator is equipped with light source detection filter far from the tray interior of casing bit side.The utility model can accurate quantification match liquid, it is handled simultaneously by micro-boiling, accelerate sample and matches the rate of slaking of liquid, and detect the COD (COD) of sample by spectrophotometer method, without repeatedly being detected to sample, to improve detection efficiency.
Description
Technical field
The utility model belongs to COD detection technique field more particularly to a kind of rapid-digestion spectrophotometer method detection dress
It sets.
Background technique
COD (Chemical Oxygen Demand, COD) is under certain condition, at potassium dichromate oxidation
Reason, COD (COD) is under certain condition, to handle through potassium dichromate oxidation, dissolved matter and suspension in water sample
The mass concentration of the corresponding oxygen of potassium bichromate consumed by object, 1mol potassium bichromate (1/6K2Cr207) are equivalent to 1mol oxygen
(1/20), traditional potassium dichromate method is to be added in water sample with the potassium bichromate solution for the amount of knowing, and with silver under strong acid media
Salt is as catalyst, through boiling reflux 2h, is finally tested and analyzed with ferrous sulfate solution titration, but not only time-consuming in this way
Long, detection efficiency is low, while needing repeated detection that could calculate COD value, and detection sensitivity is low, a kind of fast therefore, it is necessary to design
Speed resolution spectrophotometer method detection device.
The ancillary technique structure of the utility model patent, is related to spectrophotometric technique principle, has consulted this similar
A kind of spectrophotometer apparatus, which can be used as effective reference of the utility model patent relevant art part；
The existing granted patent of reference: the patent No.: CN201621216889.8, a kind of patent name: portable multiple light courcess UV, visible light
Spectrophotometer, spectrophotometric technique principle is identical as the utility model, so technically the utility model is not right
Spectrophotometric technique principle is illustrated；The utility model mainly carries out the speed of the reaction to sample on the basis of referenced patent
Rate, proportion liquid precision and detection mode carry out technical replacement.
Summary of the invention
The purpose of this utility model is that: it is asked to solve the existing detection mode technology that time-consuming and detection efficiency is low
Topic, provides a kind of rapid-digestion spectrophotometer method detection device.
The technical solution adopted in the utility model is as follows:
A kind of rapid-digestion spectrophotometer method detection device, including box body, liquid dispensing device, casing bit, seal pipe and
The side of lamp changing device, the box body top is equipped with operation panel, and the box body top on the right side of operation panel is equipped with power supply
Interface, the box body top on rear side of the operation panel is equipped with casing bit, seal pipe is placed in described sleeve pipe device, described
Box body top on the left of casing bit is equipped with liquid dispensing device, and the front of described sleeve pipe device is equipped with monochromator, and monochromator
Tray interior far from casing bit side is equipped with light source detection filter, and the light source detection filter is far from monochromator one
The tray interior of side is sequentially installed with battery and single-chip microcontroller, installation of the described sleeve pipe device far from monochromator side from top to bottom
There is lamp changing device.
Wherein, the liquid dispensing device includes lid, containing liquid chamber, flow control valve, helix tube, pressure sensor, diversion pipe
And main casing, the top of the main casing are placed with lid, the top inside the main casing is uniformly equipped with storage from left to right
Liquid storehouse, and the quantity of containing liquid chamber is three, the side of the flow control valve inner bottom is all equipped with pressure sensor, described
The bottom end of containing liquid chamber is all equipped with helix tube, and the top of helix tube all extends to the inside of containing liquid chamber, on the helix tube all
Flow control valve is installed, the bottom end inside the main casing is equipped with diversion pipe, and the infusion end of the helix tube, which all passes through, leads
The top of flow tube extends to inside diversion pipe, and the output end of the battery is electrically connected by the input terminal of conducting wire and pressure sensor
It connects, the output end of the single-chip microcontroller is electrically connected by the input terminal of conducting wire and flow control valve, the output end of pressure sensor
It is electrically connected by the input terminal of conducting wire and single-chip microcontroller.
Wherein, described sleeve pipe device includes main body, cooling piece, the first temperature sensor, light tank, second temperature sensing
Device and heating sheet, the main body is " U "-shaped, and the two sides of the main body inner wall are all equipped with cooling piece, and the main set is internal
The bottom end of wall is equipped with heating sheet, and inner wall is all provided with light tank at left and right sides of the main body, and light tank is radial, institute
It states and the first temperature sensor is installed inside the main body on light tank top, be equipped with inside the main body of the light tank bottom end
Second temperature sensor, the output end of the battery by conducting wire respectively with cooling piece, the first temperature sensor, second temperature
The electrical connection of the input terminal of sensor and heating sheet, the output end of the first temperature sensor and second temperature sensor all with single-chip microcontroller
Input terminal electrical connection.
Wherein, the seal pipe includes tube body, graduation mark, limit film and sealing-plug, and the front of the tube body is equipped with quarter
Line is spent, the middle of the tube two sides is all horizontally installed with limit film, and the top of the tube body is placed with sealing-plug.
Wherein, the output end of the power interface is electrically connected by conducting wire with the input terminal of battery, the battery
Output end is electrically connected by the input terminal that conducting wire distinguishes operation panel, single-chip microcontroller, light source detection filter and monochromator, the behaviour
Make the output end of panel be electrically connected by conducting wire with the input terminal of single-chip microcontroller, the input terminal of the single-chip microcontroller pass through conducting wire respectively with
The electrical connection of the input terminal of light source detection filter and monochromator.
Wherein, the lamp changing device includes rotating electric machine, tritium lamp source, tungsten light source, mercury lamp light source and light source turntable, institute
The output end for stating rotating electric machine is equipped with light source turntable, and light source turntable far from one end of rotating electric machine be equipped with tritium lamp source,
Tungsten light source and mercury lamp light source, the output end of the battery by conducting wire respectively with rotating electric machine, tritium lamp source, tungsten light source
Be electrically connected with the input terminal of mercury lamp light source, the output end of the single-chip microcontroller by conducting wire respectively with rotating electric machine, tritium lamp source, tungsten
The electrical connection of the input terminal of lamp source and mercury lamp light source.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1, in the utility model, which heats seal pipe by being provided with casing bit, by heating sheet,
In heating process, second temperature sensor persistently detects the temperature of seal pipe bottom end, when temperature reaches 165 °, sends data to
Single-chip microcontroller, single-chip microcontroller control heating sheet and adjust heating amplitude, so that the temperature of seal pipe bottom end maintains 165 ° or so, meanwhile,
When sample inside seal pipe boils, the gas of generation rises to the top inside seal pipe, the detection of the first temperature sensor
The temperature of seal pipe inner tip, then sends the data to single-chip microcontroller, and single-chip microcontroller controls cooling piece and starts to work, made
Cold, cooling piece persistently detects the temperature of seal pipe inner tip, and when temperature is reduced to 85 °, single-chip microcontroller controls cooling piece adjustment
Refrigeration amplitude makes the temperature of seal pipe inner tip maintain 85 ° or so, and the gas inside seal pipe is made to be in micro-boiling reflux
State, to accelerate the oxidation rate of sample.
2, in the utility model, which can pass through graduation mark by being provided with liquid dispensing device and seal pipe, staff
Confirm the sample quality in seal pipe, numerical value is then inputted by operation panel, single-chip microcontroller is calculated in containing liquid chamber by numerical value
The proportion liquid weight that should be flowed down, the helical spiral design of helix tube slow down the speed under proportion liquid stream, are convenient for pressure sensor
Remaining proportion liquid weight in containing liquid chamber is detected, pressure sensor persistently monitors the proportion liquid weight in containing liquid chamber, when reduction
When numerical value reaches setting numerical value, single-chip microcontroller controls flow control valve and closes, and has achieved the effect that accurate quantification with liquid, to improve
The reaction rate of sample.
3, in the utility model, which is provided with lamp changing device, light source detection filter and monochromator, by being divided light
The COD (COD) for spending meter method detection sample, by adjusting light source, makes light source without repeatedly detecting to sample
Wavelength tunable section can measure the sample that COD value is 100mg/L~1000mg/L in 600nm wavelength, can survey at 440nm wavelength
Determine the sample that COD value is 15mg/L~250mg/L, Acid system acidity of sulfuric acid improves 10.2mg/l, digestion time by 9.0mg/l
10min~15min is reduced to by 2h, to improve the efficiency of detection.
Detailed description of the invention
Fig. 1 is the structure schematic top plan view of the utility model；
Fig. 2 is the structure side view diagrammatic cross-section of the utility model；
Fig. 3 is the liquid dispensing device structural profile illustration of the utility model；
Fig. 4 is the casing bit structural profile illustration of the utility model；
Fig. 5 is the seal pipe structural schematic diagram of the utility model；
Fig. 6 is the lamp changing device structure schematic elevation view of the utility model.
Marked in the figure: 1, box body；2, liquid dispensing device；201, lid；202, containing liquid chamber；203, flow control valve；204, spiral shell
Coil；205, pressure sensor；206, diversion pipe；207, main casing；3, casing bit；301, main body；302, cooling piece；
303, the first temperature sensor；304, light tank；305, second temperature sensor；306, heating sheet；4, seal pipe；401, it manages
Body；402, graduation mark；403, limit film；404, sealing-plug；5, operation panel；6, power interface；7, lamp changing device；701, it rotates
Motor；702, tritium lamp source；703, tungsten light source；704, mercury lamp light source；705, light source turntable；8, single-chip microcontroller；9, battery；
10, light source detection filter；11, monochromator.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
A kind of rapid-digestion spectrophotometer method detection device comprising box body 1, liquid dispensing device 2, casing bit 3, sealing
Pipe 4 and lamp changing device 7, the side on 1 top of box body are equipped with operation panel 5, and 1 top of the box body installation on 5 right side of operation panel
There is power interface 6,1 top of box body of 5 rear side of operation panel is equipped with casing bit 3, seal pipe 4 is placed in casing bit 3,
1 top of box body in 3 left side of casing bit is equipped with liquid dispensing device 2, and the front of casing bit 3 is equipped with monochromator 11, and monochromatic
Device 11 is equipped with light source detection filter 10 inside the box body 1 far from 3 side of casing bit, light source detection filter 10 is far from single
It is sequentially installed with battery 9 and single-chip microcontroller 8 from top to bottom inside the box body 1 of 11 side of color device, the model of the single-chip microcontroller 8 can be
HT66F018, casing bit 3 are equipped with lamp changing device 7 far from 11 side of monochromator, lamp changing device 7 include rotating electric machine 701,
Tritium lamp source 702, tungsten light source 703, mercury lamp light source 704 and light source turntable 705, the output end of rotating electric machine 701 are equipped with light
Source turntable 705, and light source turntable 705 is equipped with tritium lamp source 702, tungsten light source 703 and mercury far from one end of rotating electric machine 701
Lamp source 704, the output end of battery 9 by conducting wire respectively with rotating electric machine 701, tritium lamp source 702, tungsten light source 703 and
The input terminal of mercury lamp light source 704 is electrically connected, the output end of single-chip microcontroller 8 by conducting wire respectively with rotating electric machine 701, tritium lamp source
702, the input terminal of tungsten light source 703 and mercury lamp light source 704 is electrically connected.
It charges before use, staff first passes through power interface 6 to battery 9, so that device can work normally.
Preferably, liquid dispensing device 2 includes lid 201, containing liquid chamber 202, flow control valve 203, helix tube 204, pressure
Sensor 205, diversion pipe 206 and main casing 207, the top of main casing 207 are placed with lid 201, the top inside main casing 207
End is uniformly equipped with containing liquid chamber 202 from left to right, and the quantity of containing liquid chamber 202 is three, 203 inner bottom of flow control valve
Side is all equipped with pressure sensor 205, and the model of the pressure sensor 205 can be CYYZ11, and the bottom end of containing liquid chamber 202 is all pacified
Equipped with helix tube 204, and the top of helix tube 204 all extends to the inside of containing liquid chamber 202, is all equipped with stream on helix tube 204
The model of control valve 203, the flow control valve 203 can be 400X, and the bottom end inside main casing 207 is equipped with diversion pipe 206,
The top that the infusion end of helix tube 204 all passes through diversion pipe 206 extends to inside diversion pipe 206, and the output end of battery 9 passes through
Conducting wire is electrically connected with the input terminal of pressure sensor 205, and the output end of single-chip microcontroller 8 is defeated by conducting wire and flow control valve 203
Enter end to be electrically connected, the output end of pressure sensor 205 is electrically connected by the input terminal of conducting wire and single-chip microcontroller 8.
Staff will need the sample detected to be put into seal pipe 4, confirm the sample in seal pipe 4 by graduation mark 402
This quality, then inputs numerical value by operation panel 5, and single-chip microcontroller 8 calculates matching of should flowing down in containing liquid chamber 202 by numerical value
Than liquid weight, the helical spiral design of helix tube 204 slows down the speed under proportion liquid stream, convenient for the detection storage of pressure sensor 205
Remaining proportion liquid weight in liquid storehouse 202, pressure sensor 205 persistently monitor the proportion liquid weight in containing liquid chamber 202, work as reduction
Numerical value when reaching setting numerical value, single-chip microcontroller 8 controls flow control valve 203 and closes, and has achieved the effect that accurate quantification, will with liquid
From being flowed down in diversion pipe 206 in proportion liquid access seal pipe 4, to improve the reaction rate of sample.
Preferably, casing bit 3 includes main body 301, cooling piece 302, the first temperature sensor 303, light tank
304, second temperature sensor 305 and heating sheet 306, main body 301 is " U "-shaped, and the two sides of main 301 inner wall of body are all equipped with
Cooling piece 302, the bottom end of main 301 inner wall of body are equipped with heating sheet 306, and main 301 left and right sides inner wall of body is all provided with
Light slot 304, and light tank 304 is radial, is equipped with the first temperature sensor inside the main body 301 on 304 top of light tank
303, the model of first temperature sensor 303 can be CWDZ11, and the is equipped with inside the main body 301 of 304 bottom end of light tank
Two temperature sensors 305, the model of the second temperature sensor 305 can be CWDZ11, and the output end of battery 9 passes through conducting wire point
It is not electrically connected with the input terminal of cooling piece 302, the first temperature sensor 303, second temperature sensor 305 and heating sheet 306, the
One temperature sensor 303 and the output end of second temperature sensor 305 are all electrically connected with the input terminal of single-chip microcontroller 8, and seal pipe 4 is wrapped
Tube body 401, graduation mark 402, limit film 403 and sealing-plug 404 are included, the front of tube body 401 is equipped with graduation mark 402, tube body 401
The middle of two sides is all horizontally installed with limit film 403, and the top of tube body 401 is placed with sealing-plug 404.
Seal pipe 4 is heated by heating sheet 306, during heating, second temperature sensor 305 persistently detects
The temperature of 4 bottom end of seal pipe sends data to single-chip microcontroller 8 when temperature reaches 165 °, and single-chip microcontroller 8 controls heating sheet 306 and adjusts
Heating amplitude, so that the temperature of 4 bottom end of seal pipe maintains 165 ° or so, meanwhile, when sample boiling inside seal pipe 4,
The gas of generation rises to the top inside seal pipe 4, and the first temperature sensor 303 detects the temperature of 4 inner tip of seal pipe,
Then single-chip microcontroller 8 is sent the data to, single-chip microcontroller 8 controls cooling piece 302 and starts to work, freezes, and cooling piece 302 is persistently examined
The temperature for surveying 4 inner tip of seal pipe, when temperature is reduced to 85 °, single-chip microcontroller 8 controls cooling piece 302 and adjusts refrigeration amplitude, makes
The temperature of 4 inner tip of seal pipe maintains 85 ° or so, and the gas inside seal pipe 4 is made to be in micro-boiling reflux state, thus
Accelerate the oxidation rate of sample.
Preferably, lamp changing device 7 includes rotating electric machine 701, tritium lamp source 702, tungsten light source 703, mercury lamp light source 704
With light source turntable 705, the output end of rotating electric machine 701 is equipped with light source turntable 705, and light source turntable 705 is far from rotating electric machine
701 one end is equipped with tritium lamp source 702, tungsten light source 703 and mercury lamp light source 704, and the output end of battery 9 passes through conducting wire point
It is not electrically connected with the input terminal of rotating electric machine 701, tritium lamp source 702, tungsten light source 703 and mercury lamp light source 704, single-chip microcontroller 8
Output end passes through the conducting wire input terminal with rotating electric machine 701, tritium lamp source 702, tungsten light source 703 and mercury lamp light source 704 respectively
Electrical connection.
It is rotated by rotating electric machine 701, light source turntable 705 is driven to rotate, to keep light source adjustable, will needed to be used
Light source is adjusted to 304 position of light tank, by adjusting light source, makes the Wavelength tunable section of light source, can measure COD in 600nm wavelength
Value is the sample of 100mg/L~1000mg/L, and the sample that COD value is 15mg/L~250mg/L can be measured at 440nm wavelength,
Acid system acidity of sulfuric acid improves 10.2mg/l by 9.0mg/l, and digestion time is reduced to 10min~15min by 2h, thus substantially
Improve the detection efficiency of device.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (6)
1. a kind of rapid-digestion spectrophotometer method detection device, including box body (1), it is characterised in that: box body (1) top
Side be equipped with operation panel (5), and box body (1) top on the right side of operation panel (5) is equipped with power interface (6), described
Box body (1) top on rear side of operation panel (5) is equipped with casing bit (3), is placed with seal pipe in described sleeve pipe device (3)
(4), box body (1) top on the left of described sleeve pipe device (3) is equipped with liquid dispensing device (2), the front peace of described sleeve pipe device (3)
Equipped with monochromator (11), and monochromator (11) is filtered far from light source detection is equipped with inside the box body (1) of casing bit (3) side
Device (10), box body (1) of the light source detection filter (10) far from monochromator (11) side is internal successively to be installed from top to bottom
There are battery (9) and single-chip microcontroller (8), described sleeve pipe device (3) is equipped with lamp changing device (7) far from monochromator (11) side.
2. a kind of rapid-digestion spectrophotometer method detection device as described in claim 1, it is characterised in that: described to be filled with liquid
(2) are set to include lid (201), containing liquid chamber (202), flow control valve (203), helix tube (204), pressure sensor (205), lead
The top of flow tube (206) and main casing (207), the main casing (207) is placed with lid (201), in the main casing (207)
The top in portion is uniformly equipped with containing liquid chamber (202) from left to right, and the quantity of containing liquid chamber (202) is three, the flow control
The side of valve (203) inner bottom is all equipped with pressure sensor (205), and the bottom end of the containing liquid chamber (202) is all equipped with spiral shell
Coil (204), and the top of helix tube (204) all extends to the inside of containing liquid chamber (202), all pacifies on the helix tube (204)
Equipped with flow control valve (203), the internal bottom end of the main casing (207) is equipped with diversion pipe (206), the helix tube
(204) top that infusion end all passes through diversion pipe (206) extends to diversion pipe (206) inside, the output of the battery (9)
End is electrically connected by conducting wire with the input terminal of pressure sensor (205), and the output end of the single-chip microcontroller (8) passes through conducting wire and flow
The input terminal of control valve (203) is electrically connected, and the output end of pressure sensor (205) passes through the input of conducting wire and single-chip microcontroller (8)
End is electrically connected.
3. a kind of rapid-digestion spectrophotometer method detection device as described in claim 1, it is characterised in that: described sleeve pipe dress
Setting (3) includes main body (301), cooling piece (302), the first temperature sensor (303), light tank (304), second temperature sensing
Device (305) and heating sheet (306), the main body (301) is " U "-shaped, and the two sides of main body (301) inner wall are all equipped with
The bottom end of cooling piece (302), main body (301) inner wall is equipped with heating sheet (306), main body (301) left and right two
Side inner wall is all provided with light tank (304), and light tank (304) is radial, the main body on light tank (304) top
(301) internal to be equipped with the first temperature sensor (303), it is equipped with inside the main body (301) of light tank (304) bottom end
The output end of second temperature sensor (305), the battery (9) is passed with cooling piece (302), the first temperature respectively by conducting wire
The input terminal of sensor (303), second temperature sensor (305) and heating sheet (306) is electrically connected, the first temperature sensor (303)
It is all electrically connected with the input terminal of single-chip microcontroller (8) with the output end of second temperature sensor (305).
4. a kind of rapid-digestion spectrophotometer method detection device as described in claim 1, it is characterised in that: the seal pipe
It (4) include tube body (401), graduation mark (402), limit film (403) and sealing-plug (404), the front installation of the tube body (401)
Have graduation mark (402), the middle of tube body (401) two sides is all horizontally installed with limit film (403), the tube body (401)
Top be placed with sealing-plug (404).
5. a kind of rapid-digestion spectrophotometer method detection device as described in claim 1, it is characterised in that: the power supply connects
The output end of mouth (6) is electrically connected by conducting wire with the input terminal of battery (9), and the output end of the battery (9) passes through conducting wire
The input terminal electrical connection of operation panel (5), single-chip microcontroller (8), light source detection filter (10) and monochromator (11) respectively, the behaviour
The output end for making panel (5) is electrically connected by conducting wire with the input terminal of single-chip microcontroller (8), and the input terminal of the single-chip microcontroller (8) passes through
Conducting wire is electrically connected with the input terminal of light source detection filter (10) and monochromator (11) respectively.
6. a kind of rapid-digestion spectrophotometer method detection device as described in claim 1, it is characterised in that: described to change lamp dress
Setting (7) includes rotating electric machine (701), tritium lamp source (702), tungsten light source (703), mercury lamp light source (704) and light source turntable
(705), the output end of the rotating electric machine (701) is equipped with light source turntable (705), and light source turntable (705) is far from electric rotating
One end of machine (701) is equipped with tritium lamp source (702), tungsten light source (703) and mercury lamp light source (704), the battery (9)
Output end by conducting wire respectively with rotating electric machine (701), tritium lamp source (702), tungsten light source (703) and mercury lamp light source (704)
Input terminal electrical connection, the output end of the single-chip microcontroller (8) by conducting wire respectively with rotating electric machine (701), tritium lamp source
(702), the input terminal of tungsten light source (703) and mercury lamp light source (704) is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821153620.9U CN208537402U (en) | 2018-07-19 | 2018-07-19 | A kind of rapid-digestion spectrophotometer method detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821153620.9U CN208537402U (en) | 2018-07-19 | 2018-07-19 | A kind of rapid-digestion spectrophotometer method detection device |
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| Publication Number | Publication Date |
|---|---|
| CN208537402U true CN208537402U (en) | 2019-02-22 |
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ID=65385319
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| CN201821153620.9U Active CN208537402U (en) | 2018-07-19 | 2018-07-19 | A kind of rapid-digestion spectrophotometer method detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082303A (en) * | 2019-06-11 | 2019-08-02 | 成渝钒钛科技有限公司 | The method that instrument detects COD content in water quality |
| CN112378868A (en) * | 2020-10-16 | 2021-02-19 | 苏州特瑞思塑胶有限公司 | Method for detecting content of metal components in polyphenylene sulfide |
| CN114199796A (en) * | 2021-11-09 | 2022-03-18 | 山东省科学院海洋仪器仪表研究所 | Miniature multi-functional water quality analysis device |
-
2018
- 2018-07-19 CN CN201821153620.9U patent/CN208537402U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082303A (en) * | 2019-06-11 | 2019-08-02 | 成渝钒钛科技有限公司 | The method that instrument detects COD content in water quality |
| CN112378868A (en) * | 2020-10-16 | 2021-02-19 | 苏州特瑞思塑胶有限公司 | Method for detecting content of metal components in polyphenylene sulfide |
| CN114199796A (en) * | 2021-11-09 | 2022-03-18 | 山东省科学院海洋仪器仪表研究所 | Miniature multi-functional water quality analysis device |
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