CN207007706U - The analytical equipment of water sample total content of organic carbon - Google Patents
The analytical equipment of water sample total content of organic carbon Download PDFInfo
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- CN207007706U CN207007706U CN201720849217.9U CN201720849217U CN207007706U CN 207007706 U CN207007706 U CN 207007706U CN 201720849217 U CN201720849217 U CN 201720849217U CN 207007706 U CN207007706 U CN 207007706U
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Abstract
The utility model provides a kind of water sample total content of organic carbon analytical equipment, the illumination of UV light and the catalysis of catalyst can be passed through, allow oxygen to react generation hydroxyl free radical with water sample, and pass through the organic matter in hydroxyl free radical oxidation water sample, use the content of total organic carbon in accurate analysis water-like.
Description
Technical field
The utility model is related to a kind of analytical equipment, is that one kind can be directed to water sample total content of organic carbon in more detail
The analytical equipment analyzed.
Background technology
With attention of the people to environment, total organic carbon of the national governments to water samples such as stain diseases
(TotalOrganicCarbon, abbreviation TOC) content all carries out specification, to reduce pollution of the stain disease to environment, also therefore industry
The total organic carbon analytical equipment on boundary is widely used, to analyze the total content of organic carbon in water sample.Total organic carbon is analyzed
Equipment, it will usually by the oxidation operation in water sample, and utilize non-distributed infrared analyzer (Non-Dispersion
Infrared Analyzer, abbreviation NDIR), measure the organic carbon concentration in water sample.
The method of oxidation operation in water sample, which is comprised at least, following three kinds：High-temperature combustion method, UV persulfates
Method and second order segmentation advanced oxidation processes.For high-temperature combustion method, the organic matter that usually allows in water sample in being aoxidized in high-temperature kiln wall,
It so can so cause residuals in high-temperature kiln wall, and derive cleaning difficulty etc. by the problem of This is what people generally disapprove of.For UV persulfuric acid
Salt method, usually by UV photoactivation persulfate to produce hydroxyl free radical, and the organic matter in water sample is aoxidized,
So, as Chloride Ion In Water (Cl-) concentration more than 0.5% when, the generation of hydroxyl free radical will be suppressed, and when water sample
When turbidity is higher, UV light may be stopped so that the activation of persulfate deficiency, so cause organic matter in water sample without
Method complete oxidation so that the analysis misalignment of total content of organic carbon in water sample.For second order segmentation advanced oxidation processes, usually pass through
The addition of alkali medicament (NaOH) and by the oxidation operation in water sample into carbon dioxide, then by the measurement number of carbon dioxide
According to, and the total content of organic carbon in analysis water-like, right alkali medicament Central Plains originally will dissolved carbon dioxide, therefore the use meeting of alkali medicament
Have it is non-belong to the carbon dioxide of oxidation operation, and disturb the analysis of total content of organic carbon in water sample.
In view of above-mentioned, how to solve above-mentioned variety of problems, the organic matter in water sample is smoothly completed oxidation, and
Lift the accuracy of total content of organic carbon in analysis water-like, the as main technological thought of this case utility model.
Utility model content
In view of the variety of problems of above-mentioned prior art, the utility model provides a kind of analysis of water sample total content of organic carbon and set
It is standby, using the volatile organic carbon content of non-distributed infrared analyzer analysis water-like, including：Apparatus body, water sample import
Module, oxygen provide module and UV light provides module.The inside of apparatus body has solution space.The connection of water sample import modul is molten
Liquid space, water sample is imported in solution space.Oxygen provides module connection solution space, is disengaged with providing oxygen to water sample
Volatile organic matter in water sample.UV light provides module and receives the volatile organic matter that water sample disengages, with to volatile organic matter
UV light is provided, and the illumination for passing through UV light allows volatile organic matter reaction to generate carbon dioxide, and supply non-distributed infrared ray point
Analyzer analyzes the volatile organic carbon content in the water sample.
In addition, the utility model also provides a kind of analytical equipment of water sample total content of organic carbon, it is infrared using non-distributed
The non-volatile organic carbon content of line analysis instrument analysis water-like, including：Apparatus body, water sample import modul, medicament provide module,
Oxygen provides module and UV light provides module.The inside of apparatus body has a solution space.The connection of water sample import modul is molten
Liquid space, water sample is imported in solution space.Medicament provides module connection solution space, and water sample is provided and includes catalyst
Medicament and form the first solution, wherein, catalyst includes transition metal ions.Oxygen provides module and provides oxygen to the first solution
Gas and form the second solution.UV light provides module and receives the second solution, to provide the second solution UV light, and passes through the light of UV light
According to the catalysis with catalyst, allow oxygen to react generation hydroxyl free radical with water sample, and pass through hydroxyl free radical and aoxidize the second solution
The nonvolatile organic compound of middle water sample is to generate carbon dioxide, and supply in non-distributed infrared analyzer analysis water-like non-waves
Send out property organic carbon content.
Optionally, in analytical equipment of the present utility model, UV light provides module and provides the second solution wavelength Jie
In 100 to 200 to the UV light between 280nm, allowing oxygen to react generation hydroxyl free radical with water sample between 200nm.
Optionally, in analytical equipment of the present utility model, oxygen provides module and also provides oxygen to the second solution,
Force carbon dioxide to be flowed towards non-distributed infrared analyzer, use the non-volatile organic carbon content in analysis water-like.
Optionally, in analytical equipment of the present utility model, medicament provides the medicament that module is provided and also includes acid
Agent, to make the pH value of water sample be less than 1, the DIC in water sample is acidified and is generated carbon dioxide, and module institute is provided by oxygen
The oxygen of offer excludes carbon dioxide, uses the DIC excluded in water sample.
Optionally, in analytical equipment of the present utility model, in addition to pure water provides module, and pure water provides module and connected
Logical solution space, to provide pure water to solution space, and is diluted to the water sample of solution space, to adjust solution space water sample
Concentration to appropriate value.
Optionally, in analytical equipment of the present utility model, apparatus body also includes bottom discharge opeing module, excessive row
Liquid module, quantitative discharge opeing module and the quantitative storage module of solution.Discharge opeing module in bottom connects the bottom of solution space, with from solution
The bottom in space, discharge the solution in solution space.Excessive discharge opeing module connects solution space, excessive in solution space to discharge
Solution.Quantitative discharge opeing module connection solution space, to discharge the solution of part in solution space.The quantitative storage module of solution connects
Logical solution space, by solution storage quantitative in solution space.
Furthermore the utility model also provides a kind of analysis method of water sample total content of organic carbon, comprises the following steps：(i)
One water sample is provided；(ii) medicament is provided, to prepare the first solution comprising the water sample and the medicament, wherein, the medicament includes
Catalyst, and the catalyst includes transition metal ions；(iii) any time during or after step (ii), this
Oxygen is added in one solution to form the second solution；And any time of (iv) during or after step (iii), to this
Two solution provide UV light, and make second solution reaction generate hydroxyl free radical, and through the hydroxyl free radical aoxidize this second
The nonvolatile organic compound of water sample in solution and generate carbon dioxide, use analyze the water sample in total content of organic carbon.
Optionally, in analysis method of the present utility model, during step (i) or before step (ii) period
Any time, sour agent is added in the water sample, to make the pH value of the water sample be less than 1, the DIC in the water sample is acidified and is given birth to
Into carbon dioxide, the DIC excluded in the water sample is used.
Optionally, in analysis method of the present utility model, any time during or after step (iv),
Add oxygen in second solution, force by the water sample nonvolatile organic compound oxidation generate carbon dioxide leave this second
Solution, use the non-volatile organic carbon content analyzed in the water sample.
In addition, the utility model also provides a kind of analysis method of water sample total content of organic carbon, comprise the following steps：(i)
One water sample is provided；And (ii) adds oxygen to disengage the volatile organic matter in the water sample in the water sample, and then this is waved
Hair property organic matter provides UV light, and allows volatile organic matter reaction to generate carbon dioxide, uses the volatilization analyzed in the water sample
Property organic carbon content.
Compared to prior art, water sample total content of organic carbon analytical equipment of the present utility model, through UV light illumination with
The catalysis of catalyst, allow oxygen to react generation ozone with water sample and then generate hydroxyl free radical, then by hydroxyl free radical oxygen
Change the organic matter in water sample so that the organic matter in water sample can smoothly complete oxidation, use total organic carbon in analysis water-like
Content, can solve in prior art, the problems such as difficult be cleaned using the high-temperature kiln wall of high-temperature combustion method oxidation of organic compounds, using UV
The problems such as suppression by chlorion of persulfate method oxidation of organic compounds, using second order segmentation advanced oxidation processes oxidation of organic compounds
The problems such as alkali medicament disturbs.
Brief description of the drawings
Fig. 1 is in the execution analysis water-like of the analytical equipment of the water sample total content of organic carbon described in the utility model embodiment
Volatile organic carbon content schematic diagram.
Fig. 2 is that the execution of the analytical equipment of the water sample total content of organic carbon described in the utility model embodiment is excluded in water sample
DIC schematic diagram.
Fig. 3 is in the execution analysis water-like of the analytical equipment of the water sample total content of organic carbon described in the utility model embodiment
Non-volatile organic carbon content first state schematic diagram.
Fig. 4 is in the execution analysis water-like of the analytical equipment of the water sample total content of organic carbon described in the utility model embodiment
Non-volatile organic carbon content the second view.
Fig. 5 is in the execution analysis water-like of the analytical equipment of the water sample total content of organic carbon described in the utility model embodiment
Non-volatile organic carbon content third state schematic diagram.
Fig. 6 is the first pass schematic diagram of the analysis method of the water sample total content of organic carbon described in the utility model embodiment.
Fig. 7 is the second procedure schematic diagram of the analysis method of the water sample total content of organic carbon described in the utility model embodiment.
Component label instructions
The analytical equipment of 1 water sample total content of organic carbon
11 apparatus bodies
111 solution spaces
112 bottom discharge opeing modules
113 excessive discharge opeing modules
114 quantitative discharge opeing modules
The quantitative storage module of 115 solution
116 titer import moduls
12 water sample import moduls
13 medicaments provide module
14 reaction ducting modules
15 solution to be oxidized provide module
16 UV light provide module
17 oxygen provide module
18 volatile organic matters provide module
19 pure water provide module
2 non-distributed infrared analyzers
3 gas-liquid separation modules
4 refrigerating modules
S11~S14 steps
S21~S23 steps
Embodiment
Herein below will arrange in pairs or groups schema, illustrate technology contents of the present utility model by particular specific embodiment, be familiar with
The personage of this technology can be understood other advantages and effect of the present utility model easily by content disclosed in the present specification.This reality
It can also be implemented or applied by other different specific embodiments with new.The various details in this specification can be also based on
Different viewpoints and application, under without departing substantially from spirit of the present utility model, carry out various modifications and change.Especially, in schema
The proportionate relationship and relative position of each component only have exemplary use, not represent the actual state of the utility model implementation.
The utility model provides a kind of water sample total content of organic carbon analytical equipment and its analysis method, can pass through UV light
The volatile organic matter that illumination allows in water sample aoxidizes, and uses the volatile organic carbon content in analysis water-like, can also pass through UV
The illumination of light and the catalysis of catalyst, allow oxygen to react generation hydroxyl free radical (OH.) with water sample, and pass through hydroxyl free radical oxygen
Change the nonvolatile organic compound in water sample, use total organic carbon in accurate analysis water-like (Total Organic Carbon, abbreviation
TOC content).For technological thought of the present utility model, disclose referring to Fig. 1 to Fig. 7 in the utility model schema in
Appearance is illustrated：
The analytical equipment 1 of water sample total content of organic carbon of the present utility model, is divided using non-distributed infrared analyzer 2
Total content of organic carbon in bleed sample.The analytical equipment 1 of water sample total content of organic carbon of the present utility model have apparatus body 11,
Water sample import modul 12, medicament provide module 13, reaction ducting module 14, liquid to be oxidized and provide module 15, UV light offer module
16th, oxygen provides module 17, volatile organic matter provides module 18 and pure water provides module 19.
The inside of apparatus body 11 has the solution space 111 for being used for accommodating liquid.Water sample import modul 12 has pipeline
And solution space 111 is connected, water sample is imported in solution space 111 to carry out the analysis of total content of organic carbon.In addition, this reality
With the also settable bottom discharge opeing module 112 of new apparatus body 11, excessive discharge opeing module 113, quantitative discharge opeing module 114 with it is molten
The quantitative storage module 115 of liquid.Bottom discharge opeing module 112 has the bottom of pipeline connection solution space 111, with from solution space
111 bottom, the solution in solution space 111 is discharged, and then adjust the capacity of solution in solution space 111.Excessive discharge opeing mould
Block 113 has pipeline connection solution space 111, during the analysis of water sample total content of organic carbon, to discharge solution space
Excessive solution in 111, to avoid the solution in solution space 111 excessive, and the normal operation of impact analysis equipment 1.It is quantitative
Discharge opeing module 114 has pipeline connection solution space 111, to discharge solution unnecessary in solution space 111, makes solution space
Solution in 111 has predetermined capacity, and the analysis condition of analytical equipment 1 is met expection.The quantitative storage module 115 of solution
With pipeline connection solution space 111, the water sample of predetermined volumes in solution space 111 is stored, with quantitative the utility model
The water sample of analysis, and ensure that the analysis result of the utility model water sample total content of organic carbon is accurate.
Furthermore titer import modul 116, titer import modul 116 can be set in apparatus body 11 of the present utility model
With pipeline connection solution space 111, the titer comprising quantitative organic matter is imported in solution space 111, for analysis
The total content of organic carbon of titer, and the reference using analysis result as the utility model analysis water-like total content of organic carbon.
Medicament, which provides module 13, to be had pipeline and connects solution space 111.In the utility model, medicament provides module 13
Water sample can be provided and include such as hydrogen ion (H+) sour agent, with make the pH value of water sample be less than 1, make water sample DIC be acidified and
Carbon dioxide is generated, and the oxygen provided by oxygen offer module 17 excludes carbon dioxide, uses the DIC excluded in water sample,
In an embodiment of the present utility model, the DIC of water sample is acidified and generates the chemical equation of carbon dioxide, as follows：CO3 2-
(aq)+H+→CO2(g)。
Furthermore it is molten that medicament offer module 13 can also form first to catalyst of the water sample offer comprising transition metal ions
Liquid.Oxygen, which provides module 17, has pipeline connection solution space 111, to provide oxygen (O to solution space 1112), so that solution
Water sample in space 111 disengages volatile organic matter, can also provide oxygen oxygen to the first solution and form the second solution.
Pure water, which provides module 19, has pipeline connection solution space 111, can provide pure water to solution space 111, and to molten
The water sample of liquid space 111 is diluted, and to adjust the concentration of the water sample of solution space 111 to appropriate value, and lifts the utility model
The accuracy of water sample total content of organic carbon analysis.
Reaction ducting module 14 has pipeline and connects solution space 111, and it is organic can to receive the volatility that water sample is disengaged
Thing, the second solution in the reception solution space of module 15 can be also provided by solution to be oxidized.UV light provides module 16 and is arranged at
React in ducting module 14, with can provide wavelength between 100 between 200nm with 200 to the UV light between 280nm, and can oxygen
Change the volatile organic matter that water sample is disengaged, catalyst, oxygen and the water sample reaction that can also allow in the second solution generate ozone
(O3) and then generate hydroxyl free radical (OH.), with through hydroxyl free radical aoxidize the second solution in water sample it is non-volatile organic
Thing and generate carbon dioxide, in an embodiment of the present utility model, ozone and water sample reaction generation hydroxyl free radical (OH.)
Chemical equation, as after：O3+H2O→2OH.+O2；The chemical equation of the oxidation operation of water sample in second solution, as after：
CxHy(aq)+(O3+OH.)→CO3 2-(aq)。
It should be noted that the transition metal ions that the utility model catalyst is added can promote the life of hydroxyl free radical
Into, and then concentration of the hydroxyl free radical in the second solution is lifted, and ensuring the nonvolatile organic compound in water sample can aoxidize
Generate carbon dioxide.Therefore, the utility model need not add extra alkali medicament, therefore the preparation that medicament can be greatly reduced is difficult
Degree, extra carbon dioxide interference is there will not be, in this way, the analysis time of total content of organic carbon in water sample can be shortened.Furthermore
The utility model produces hydroxyl free radical oxidation of organic compounds also without via persulfate, therefore can solve asking for chloride ion interference
Topic, and when organic concentration exceedes reconnaissance range, detecting value will not also reduce.
It should be noted that oxygen of the present utility model provides the oxygen that module 17 is provided, solution space 111 can be also forced
Carbon dioxide after middle water sample nonvolatile organic compound oxidation flows to non-distributed infrared analyzer 2, to provide non-distributed
Total content of organic carbon in the analysis water-like of infrared analyzer 2.It is preferred that as shown in figure 1, analytical equipment of the present utility model 1
Also directed to the fluid for flowing to non-distributed infrared analyzer 2, there is provided have gas-liquid separation module 3 and refrigerating module 4, with by gas
The liquid barrier of liquid separation module 3 flows to non-distributed infrared analyzer 2, also flows to non-distributed by the cooling of refrigerating module 4
The temperature of the gas of infrared analyzer 2, with make non-distributed infrared analyzer 2 can the composition of effectively convection body divided
Analysis.
On refrigerating module 4, it should be noted that refrigerating module 4 can absorb extraneous cooling air-flow and provides refrigerating function, very
Module 16 extremely can also be provided to UV light cooling air-flow is provided, and avoid UV light from providing the high temperature of module 16 and damage, to increase UV
Light provides the service life of module 16.
For the analysis method of the utility model water sample total content of organic carbon, as shown in fig. 6, in step S11 execution
Cheng Zhong, there is provided water sample.In step S12 implementation procedure, the first solution comprising water sample and medicament is prepared, as shown in figure 3, molten
The quantitative storage module 115 of liquid has pipeline connection solution space 111, by the first solution of predetermined volumes in solution space 111
Storage, the first solution analyzed with quantitative the utility model.It is preferred that the medicament that the first solution is included includes catalyst, and
Catalyst includes transition metal ions.
Further, since the water sample provided may include DIC, during step S11 execution or during step S12
Any time before, as shown in Fig. 2 medicament, which can also have, includes such as hydrogen ion (H+) sour agent, to make the pH value of water sample
Less than 1, the DIC in water sample is acidified and is generated carbon dioxide, use the DIC excluded in water sample, and avoid in water sample
DIC influence water sample total content of organic carbon analysis.Only, the wipe-out mode of DIC is not limited with the above in water sample.
Then, any time during or after step S12 execution performs step S13, is added in the first solution
Oxygen is to form the second solution.Then, any time during or after step S13 performs step S14, as shown in figure 4, order
Solution to be oxidized provides module 15, is supplied to UV light to provide module 16 second solution, allows UV light to provide module 16 molten to second
Liquid provides UV light, and the second solution reaction is generated hydroxyl free radical (OH.), and passes through hydroxyl free radical and aoxidize in the second solution
The nonvolatile organic compound of water sample uses the non-volatile organic carbon content in analysis water-like to generate carbon dioxide, it is general and
Speech, the volatile organic carbon content in water sample can be much smaller than non-volatile organic carbon content, thus non-volatile in water sample has
The analysis result of machine carbon content, it can be used to judge water sample total content of organic carbon.
In the utility model, any time during step S14 or afterwards, as shown in figure 5, oxygen can be made to provide
Module 17 provides oxygen to the second solution, and forces the carbon dioxide for aoxidizing and generating in the second solution to flow out solution space 111,
Enter Nonseparation infrared analyzer 2 according to via gas-liquid separation module 3 and refrigerating module 4, to wave non-in water sample
Hair property organic carbon content is analyzed.
In addition, the analysis method of the utility model water sample total content of organic carbon, is waved by the water sample analyzed may include
Property organic carbon is sent out, before non-volatile organic carbon content analysis is carried out, also includes volatile organic carbon in analysis water-like and contains
The step of amount.As shown in fig. 7, in step S21 implementation procedure, there is provided water sample, waved by the water sample provided may include
Property organic carbon is sent out, in step S22 implementation procedure, as shown in figure 1, adding oxygen in water sample to disengage the volatilization in water sample
Property organic matter, then, in step S23 implementation procedure, through volatile organic matter provide module 18, will be disengaged in water sample
Volatile organic matter be supplied to UV light provide module 16, make UV light provide module 16 to volatile organic matter provide UV light, and
Allow volatile organic matter to aoxidize and generate carbon dioxide, use the volatile organic carbon content in analysis water-like.
In summary, water sample total content of organic carbon analytical equipment of the present utility model, water sample is aoxidized through hydroxyl free radical
In nonvolatile organic compound, therefore can solve the high-temperature kiln wall in high-temperature combustion method cleaning difficult problem, can also solve UV over cures
In hydrochlorate method, chlorion suppresses the problem of hydroxyl free radical produces, and can also solve in second order segmentation advanced oxidation processes, in alkali medicament
Dissolved carbon dioxide and the problem of disturb non-volatile organic carbon content analysis in water sample, can additionally pass through UV photooxidation water
Volatile organic matter in sample, therefore the total content of organic carbon that the utility model can be directed in water sample is analyzed.
Above-described embodiment only illustrative principle of the present utility model and effect, not for limitation the utility model.
Any one skilled in the art can repair without prejudice under spirit and scope of the present utility model to above-described embodiment
Decorations and change.Therefore, rights protection scope of the present utility model, should be as listed by present utility model application the scope of the claims.
Claims (6)
1. a kind of analytical equipment of water sample total content of organic carbon, it is characterised in that use a non-distributed infrared analyzer point
The volatile organic carbon content of a water sample is analysed, including：
One apparatus body, the inside of the apparatus body have a solution space；
One water sample import modul, the water sample import modul connect the solution space, the water sample are imported in the solution space；
One oxygen provides module, and the oxygen provides module and connects the solution space, disengages the water to provide oxygen to the water sample
Volatile organic matter in sample；And
One UV light provides module, and the UV light provides module and receives the volatile organic matter that the water sample disengages, to have to the volatility
Machine thing provides UV light, and the illumination for passing through the UV light allows volatile organic matter reaction to generate carbon dioxide, and supplies the non-distribution
Formula infrared analyzer analyzes the volatile organic carbon content in the water sample.
2. a kind of analytical equipment of water sample total content of organic carbon, it is characterised in that use a non-distributed infrared analyzer point
The non-volatile organic carbon content of a water sample is analysed, including：
One apparatus body, the inside of the apparatus body have a solution space；
One water sample import modul, the water sample import modul connect the solution space, the water sample are imported in the solution space；
One medicament provides module, and the medicament provides module and connects the solution space, and provides the medicine for including catalyst to the water sample
Agent and form the first solution, wherein, the catalyst includes transition metal ions；
One oxygen provides module, and the oxygen provides module and provides oxygen to first solution and form the second solution；And
One UV light provides module, and the UV light provides module and receives second solution, to provide UV light to second solution, and passes through
The illumination of the UV light and the catalysis of the catalyst, allow the oxygen to react generation hydroxyl free radical with the water sample, and pass through the hydrogen-oxygen
The nonvolatile organic compound of water sample is to generate carbon dioxide in free-radical oxidation second solution, and supplies the non-distributed infrared ray
Analyzer analyzes the non-volatile organic carbon content in the water sample.
3. analytical equipment as claimed in claim 2, it is characterised in that the UV light provides module and provides wavelength to second solution
Between 100 to 200 to the UV light between 280nm, allowing the oxygen to react generation hydroxyl free radical with the water sample between 200nm；
The medicament provides the medicament that module is provided and also includes sour agent, to make the pH value of the water sample be less than 1, makes the DIC in the water sample
It is acidified and generates carbon dioxide, and the oxygen provided by oxygen offer module excludes the carbon dioxide, uses and excludes the water
DIC in sample.
4. analytical equipment as claimed in claim 2, it is characterised in that the oxygen provides module and also provides oxygen to second solution
Gas, force the carbon dioxide towards the non-distributed infrared analyzer flow, use analyze the water sample in it is non-volatile organic
Carbon content.
5. analytical equipment as claimed in claim 2, it is characterised in that also provide module including a pure water, the pure water provides mould
Block connects the solution space, to provide pure water to the solution space, and the water sample of the solution space is diluted, should with adjustment
The concentration of solution space water sample is to appropriate value.
6. analytical equipment as claimed in claim 2, it is characterised in that the apparatus body also includes a bottom discharge opeing module, one
Excessive discharge opeing module, a certain amount of discharge opeing module and the quantitative storage module of a solution；The bottom discharge opeing module connects the solution space
Bottom, from the bottom of the solution space, to discharge the solution in the solution space；The excessive discharge opeing module connects solution sky
Between, to discharge solution excessive in the solution space；The quantitative discharge opeing module connects the solution space, to discharge the solution space
The solution of middle part；The quantitative storage module of the solution connects the solution space, by solution storage quantitative in the solution space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720849217.9U CN207007706U (en) | 2017-07-13 | 2017-07-13 | The analytical equipment of water sample total content of organic carbon |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720849217.9U CN207007706U (en) | 2017-07-13 | 2017-07-13 | The analytical equipment of water sample total content of organic carbon |
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| CN207007706U true CN207007706U (en) | 2018-02-13 |
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ID=61452940
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| CN201720849217.9U Expired - Fee Related CN207007706U (en) | 2017-07-13 | 2017-07-13 | The analytical equipment of water sample total content of organic carbon |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253984A (en) * | 2017-07-13 | 2019-01-22 | 总翔企业股份有限公司 | The analytical equipment and its analysis method of water sample total content of organic carbon |
| CN110208208A (en) * | 2018-02-28 | 2019-09-06 | 总翔企业股份有限公司 | Water sample analysis equipment |
| CN110208473A (en) * | 2018-02-28 | 2019-09-06 | 总翔企业股份有限公司 | Water sample analysis equipment |
-
2017
- 2017-07-13 CN CN201720849217.9U patent/CN207007706U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253984A (en) * | 2017-07-13 | 2019-01-22 | 总翔企业股份有限公司 | The analytical equipment and its analysis method of water sample total content of organic carbon |
| CN110208208A (en) * | 2018-02-28 | 2019-09-06 | 总翔企业股份有限公司 | Water sample analysis equipment |
| CN110208473A (en) * | 2018-02-28 | 2019-09-06 | 总翔企业股份有限公司 | Water sample analysis equipment |
| JP2019152651A (en) * | 2018-02-28 | 2019-09-12 | 總翔企業股▲ふん▼有限公司Ａｎａｔｅｋ Ｅｎｔｅｒｐｒｉｓｅ Ｃｏ．，Ｌｔｄ． | Water sample analysis device |
| JP2019152648A (en) * | 2018-02-28 | 2019-09-12 | 總翔企業股▲ふん▼有限公司Ａｎａｔｅｋ Ｅｎｔｅｒｐｒｉｓｅ Ｃｏ．，Ｌｔｄ． | Water sample analysis device |
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