CN108828172A - The calibration method and device of total organic carbon analyzer - Google Patents
The calibration method and device of total organic carbon analyzer Download PDFInfo
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- CN108828172A CN108828172A CN201810644385.3A CN201810644385A CN108828172A CN 108828172 A CN108828172 A CN 108828172A CN 201810644385 A CN201810644385 A CN 201810644385A CN 108828172 A CN108828172 A CN 108828172A
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- 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
- G01N33/18—Water
- G01N33/1826—Water organic contamination in water
- G01N33/1846—Total carbon analysis
Abstract
The invention discloses a kind of pure water total organic carbon analyzer collimation technique and calibrating installations, including blender, hybrid bottle, air inlet pipe, exhaust pipe, distribution circuit, calibration pure water total organic carbon analyzer and receiving flask.In use, protective gas is continued to input in hybrid bottle, after waiting air to be discharged；Blank water and the TOC solution of known concentration are accurately inputted in scale hybrid bottle by infusion pump, and it is stirred evenly by blender, compared with obtaining the result of the TOC of the solution in hybrid bottle with dilution by the data that high accuracy pure water total organic carbon analyzer measures, the result of the TOC standard solution of the obtained brand-new of confirmation dilution mixed process is accurate and reliable, can be used for calibrating pure water total organic carbon analyzer to be measured.Since hybrid bottle is continually fed into protective gas, air is driven out of hybrid bottle, the carbon dioxide avoided in hybrid bottle incorporates in hybrid bottle, influences detection accuracy；Hybrid bottle is made of quartz material, avoids using influencing accuracy in detection in glass material in digestion of metallic ion；Distribution circuit is made of polytetrafluoroethylene (PTFE), avoids the problem that entering solution influenced accuracy in detection using the carbon that dissociates in pipeline caused by plastic conduit.It realizes to pure water total organic carbon analyzer accurate calibration.
Description
Technical field
The present invention relates to collimation technique field, calibration method more particularly, to a kind of total organic carbon (TOC) analyzer and
Device.
Background technique
Total organic carbon (TOC) analyzer is the tool of currently used measurement water pollution.Water pollution is mainly with organic matter dirt
Based on dye, pure water total organic carbon (TOC) analyzer be the total organic carbon (TOC) in aqueous solution is oxidized to carbon dioxide, and
Its content is measured to realize.
However, at present can be to the device that pure water total organic carbon (TOC) analyzer is calibrated.Pure water is always organic
Once there is the problem of measurement inaccuracy in carbon (TOC) analyzer, cannot achieve to its accurate calibration.
Therefore, how to realize that pure water total organic carbon (TOC) analyzer to measurement inaccuracy carries out accurate calibration is ability
Field technique personnel technical problem urgently to be resolved.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of total organic carbon analyzer calibrating installation, to realize to total organic
Carbon (TOC) analyzer is calibrated, and especially carries out accurate calibration to pure water TOC analyzer.It is surprisingly found by the inventors that passing through
Following embodiments, such as can effectively control CO in environment2And the interference that other solable matters etc. measure total organic carbon,
Realize the accurate calibration to TOC analyzer.The present invention is obtained on this basis.
In an aspect, the present invention provides a kind of method for calibrating total organic carbon (TOC) analyzer comprising：
Mix TOC reference material with blank water, to obtain mixed uniformly TOC with reference to sample
Product；
Make mixed uniformly TOC reference sample flowed to respectively via distribution circuit calibration the first TOC analyzer and to
2nd TOC analyzer of calibration；The mixed uniformly TOC reference sample can also flow to collector, institute via distribution circuit
Collector is stated for collecting the TOC reference sample flowed out from distribution circuit；
The first and second TOC analyzer measures the TOC in the TOC reference sample, and relatively respectively measurement respectively
As a result.
It is without being bound by any theory, it has been recognised by the inventors that herein protective gas atmosphere can assist the TOC reference sample every
From the CO in environment2, avoid its interference to TOC analysis.
In one embodiment, the TOC reference material and blank water are to subscribe ratio mixing, to obtain predetermined concentration
TOC reference sample.
In a specific embodiment, the blank water is the purified water prepared immediately by pure water meter, via input pipe
In the input mixer of road.
In another embodiment, injection port or sample injector are additionally provided in the intake line, being used for will
TOC reference material enters in mixer through thus injection port or sample injector along intake line.According to specific needs, the injection port or
Sample injector may be disposed at the upstream or downstream of front pump.
In another embodiment, the mixing is assisted using blender.Such as the blender is magnetic force
Blender.
In another embodiment, the mixed of the predetermined ratio is realized by the liquid level in control mixer
It closes；Such as the Liquid level is by preferably including liquid level detector, front pump and the level control unit for inputting pump controller
It realizes, wherein the front pump is connected with the input port of mixer by intake line.Such as the level control unit
When detecting that the liquid level in mixer reaches predeterminated position, controllable front pump stops infusion liquid and enters mixer.Preferably
It is provided with scale on the mixer, to assist to detect liquid level position.Such as the front pump can be accurate HPLC pump.
In another embodiment, the mixing carries out in a mixer, and the mixer is pre-charged with protective gas,
And the mixer is in protective gas atmosphere during mixing.In a specific embodiment, the mixer by
Quartz is made.In another embodiment, the protective gas is free from the gas of carbon, for example, nitrogen and/or
Inert gas.In another embodiment, the distribution of mixer and the first and second TOC analyzer is connected
Pipeline can be made of polytetrafluoroethylene (PTFE) (PTFE)；In addition, the intake line of connection front pump and mixer can also be by
PTFE is made.
In another embodiment, be provided with dispensing pump in the distribution circuit, drive the TOC reference sample into
Enter the first and second TOC analyzer；Such as the dispensing pump is peristaltic pump.
In another embodiment, the TOC analyzer is used to analyze the TOC in pure water.
In second aspect, the present invention provides a kind of TOC analyzer calibrating installation, such as implementing first party of the present invention
Calibration method described in face.The calibrating installation may include：
Mixer is mixed for TOC reference material with blank water wherein, has the outlet of mixing TOC reference sample,
Also there is the unit for generating protective gas atmosphere；The preferably described unit for generating protective gas atmosphere includes to be filled with to mixer
The air inlet pipe of gas and the exhaust pipe that gas is discharged from mixer；
First output end, for making mixing TOC reference sample enter the first TOC analyzer of calibration；
Second output terminal, for making to mix TOC reference sample into the 2nd TOC analyzer to be calibrated；
Optional third output end, for making mixing TOC reference sample enter collector；With
Distribution circuit is exported to first output end, second output terminal and optional for connect the mixer
Third output end；
In one embodiment, the calibrating installation further includes pure water meter or pure water meter interface, for providing instant system
Standby blank water is to obtain TOC reference sample.
In another embodiment, the calibrating installation further includes blender, for assisting TOC reference material and blank
The mixing of water.Such as the blender is magnetic stirring apparatus.
In another embodiment, the calibrating installation further includes level control unit, for controlling in mixer
Liquid level is to realize the mixing of the predetermined ratio；The preferably described level control unit includes liquid level detector, front pump and defeated
Enter pump controller, wherein the front pump is connected with the input port of mixer by intake line.
In another embodiment, the mixer can be made of quartz.
In another embodiment, the protective gas is free from the gas of carbon, such as nitrogen and/or indifferent gas
Body.
In another embodiment, the distribution circuit of mixer and the first and second TOC analyzer is connected
It is made of PTFE.
In another embodiment, the intake line for connecting pure water meter, front pump and mixer is made of PTFE.
In a further embodiment, the calibrating installation further includes the dispensing pump being set in distribution circuit, drives institute
It states TOC reference sample and enters the first and second TOC analyzer and optional collector from mixer；Such as the distribution
Pump is peristaltic pump.
TOC analyzer calibrating installation according to the present invention can be used for calibrating pure water TOC analyzer.
Each embodiment according to the present invention can according to need any combination, resulting embodiment party after these combinations
Case is also a part of the specific embodiment of the invention within the scope of the present invention.
It is not limited to any theory, from above disclosure as can be seen that in a specific embodiment, the present invention discloses
Total organic carbon analyzer calibrating installation first protective gas can be continued through in air inlet pipe input mixer when in use,
Air in former mixer is discharged protective gas along exhaust pipe；After equal air are discharged, by blank water and preset concentration
In TOC solution injecting mixer, and stirred evenly by blender, by distribution circuit respectively with calibration pure water total organic carbon
Analyzer, collector and pure water total organic carbon analyzer to be calibrated conducting, are measured by calibration with pure water total organic carbon analyzer
The data point reuse pure water total organic carbon analyzer to be calibrated that measures of data comparison pure water total organic carbon analyzer to be calibrated.Due to
Mixer is continually fed into protective gas, drives air out of mixer, and the carbon dioxide avoided in mixer dissolves in mixer
TOC reference sample in, influence detection accuracy.It, can be to avoid using vial to cause in addition, mixer is made of quartz material
Glass material in sodium element enter in the solution in mixer, influence solution conductivity rate, and then influence accuracy of measurement.Point
Piping routing polytetrafluoroethylene (PTFE) is made, and can enter solution to avoid using the carbon that dissociates in pipeline caused by common plastics pipeline
The problem of influencing accuracy in detection.In conclusion the present invention is realized to the accurate of pure water total organic carbon analyzer to be calibrated
Calibration.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described.It should be evident that the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other embodiments of the invention are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram for the pure water total organic carbon analyzer calibrating installation that one embodiment of the invention provides.
Wherein,
Blender 1, hybrid bottle 2, air inlet pipe 3, exhaust pipe 4, distribution circuit 5, calibration with pure water total organic carbon analyzer 6,
Receiving flask 7, pure water total organic carbon analyzer 8 to be calibrated, peristaltic pump 9, front pump 10, water purification machine 11, the first intake line 12,
Two intake lines 13, sample injector 14, level control unit 15.
Specific embodiment
It is with reference to the accompanying drawing and specific real in order to make those skilled in the art better understand technical solution of the present invention
Applying mode, the present invention is described in further detail.
The term that present disclosure uses has it in the conventional sense of its fields.Several terms are provided herein at this
Definition in disclosure.If the conventional sense of the term with define herein it is inconsistent, to be defined herein as standard.
Terms used herein " blank water " refers to the water or aqueous solution for being not added with additional material, is used for and TOC reference material
The TOC reference sample of predetermined concentration is prepared together.Such as the blank water is purified water, such as the purified water via selected from
Under at least one processing：Reverse osmosis, electrodialysis, ion exchange, ultraviolet oxidation, ozone oxidation, activated carbon adsorption.It is preferred that
Ground, the purified water are prepared immediately by the online pure water meter being integrated in a whole set of calibrating installation.That is, being to calibrate
It is in the process prepared by pure water meter and to be used at any time at any time, in case purified water has been dissolved in environment in placement process after preparation
The various solable matters such as CO2, to reduce the interference measured TOC.
Terms used herein " TOC reference material " refers to the substance comprising determining amount TOC for calibrating TOC analyzer,
Usually provide as an aqueous solution.
Terms used herein " TOC reference sample " refers to for calibrating TOC analyzer, blank water and TOC reference material
Sample obtained by after mixing, the TOC reference sample usually contain the TOC of predetermined concentration, this be by make TOC reference material with
What blank water was obtained with subscribing ratio mixing.
Embodiment 1
As shown in Figure 1, the present invention provides a kind of pure water total organic carbon analyzer calibrating installations.Wherein, pure water is always organic
Carbon analyzer calibrating installation includes that blender 1, hybrid bottle 2, air inlet pipe 3, exhaust pipe 4, distribution circuit 5, calibration pure water always have
Machine carbon analyzer 6 and receiving flask 7.
Hybrid bottle 2 is arranged on blender 1, and hybrid bottle 2 is sealing bottles made of quartz, for holding and mixing blank water
With the TOC solution of preset concentration.In use, the TOC solution of blank water and preset concentration is passed through in hybrid bottle 2, pass through stirring
The stirring of 1 main body of device is realized and is uniformly mixed.The TOC solution of preset concentration is the TOC solution according to the high concentration for needing to be arranged.
Air inlet pipe 3 is connected with the gas access of hybrid bottle 2, can be continually fed into protective gas into hybrid bottle 2.Protect gas
Body refers to the gas for not influencing the accuracy of measurement of the solution in hybrid bottle 2, i.e. the not gas of carbon elements.
Exhaust pipe 4 is connected with the gas vent of hybrid bottle 2, can persistently export the gas in hybrid bottle 2.
Distribution circuit 5 is pipeline made of polytetrafluoroethylene (PTFE), and the solution of the entrance of the distribution circuit 5 and hybrid bottle 2
Outlet conducting.
Calibration pure water total organic carbon analyzer 6 is connected with the first outlet of distribution circuit, and is capable of detecting when distribution pipe
First TOC content of the solution that road 5 conveys.
Receiving flask 7 is connected with the second outlet of distribution circuit 5, and the third outlet of distribution circuit 5 always has with pure water to be calibrated
Machine carbon analyzer 8 is connected, and pure water total organic carbon analyzer 8 to be calibrated is capable of detecting when the second of the solution that distribution circuit 5 conveys
TOC content.
Protective gas is first continued through air inlet when in use by pure water total organic carbon analyzer calibrating installation shown in FIG. 1
Pipe 3 inputs in hybrid bottle 2, and the air in former hybrid bottle 2 is discharged protective gas along exhaust pipe 4.It, will after equal air are discharged
The TOC solution of blank water and preset concentration injects in hybrid bottle 2, and is stirred evenly by blender 1, is divided by distribution circuit
Three tunnels are connected with calibration pure water total organic carbon analyzer 6, receiving flask 7 and pure water total organic carbon analyzer 8 to be calibrated respectively, lead to
Cross the data that the data comparison pure water total organic carbon analyzer 8 to be calibrated that calibration pure water total organic carbon analyzer 6 measures measures
Adjust pure water total organic carbon analyzer 8 to be calibrated.Since hybrid bottle 2 is continually fed into protective gas, air is driven out of hybrid bottle 2,
The carbon dioxide avoided in hybrid bottle 2 incorporates in hybrid bottle 2, influences detection accuracy；In addition, hybrid bottle 2 is quartz material system
At avoiding the sodium element in glass material caused by using vial from entering in the solution in hybrid bottle 2, influence solution conductivity
Rate, and then influence accuracy in detection；Distribution circuit 5 is made of polytetrafluoroethylene (PTFE), avoids using pipe caused by common plastics pipeline
The problem of carbon that dissociates in road enters solution influenced accuracy in detection.To sum up, the present invention, which realizes, always pure water to be calibrated
The accurate calibration of machine carbon analyzer 8.
Embodiment 2
Pure water total organic carbon analyzer calibrating installation and reality in second embodiment provided by the invention, in the present embodiment
As soon as the structure for applying the pure water total organic carbon analyzer calibrating installation in example is similar, something in common is repeated no more, is only introduced
Difference.
In the present embodiment, specifically disclosing pure water total organic carbon analyzer calibrating installation further includes peristaltic pump 9, peristaltic pump
9 are arranged in distribution circuit 5, for extracting the solution in hybrid bottle 2 out, and are respectively delivered to calibration pure water total organic carbon point
In analyzer 6, receiving flask 7 and pure water total organic carbon analyzer 8 to be calibrated.
It should be noted that also can use difference in height, the mutatis mutandis pure water total organic carbon analyzer 6 of high-ranking officers, receiving flask 7 and to
The lower section of hybrid bottle 2 is arranged in calibration pure water total organic carbon analyzer 8, convenient for the output of solution in hybrid bottle 2.
Further, the calibrating installation of pure water total organic carbon analyzer shown in Fig. 1 further includes front pump 10 and water purification machine 11.It is defeated
The solution inlet of the outlet and hybrid bottle 2 that enter pump 10 is connected by the first intake line 12, and the entrance of front pump 10 passes through second
Intake line 13 is connected with the outlet for the water purification machine 11 that can export blank water, and front pump 10 is convenient for the sky for providing water purification machine 11
Plain boiled water is input in hybrid bottle 2.Inlet is provided on second intake line 13, the TOC that inlet can input preset concentration is molten
Liquid.First intake line 12 and the second intake line 13 are polytetrafluoroethylene (PTFE) pipeline, avoid causing using common plastics pipeline
Pipeline in dissociate carbon enter solution influenced accuracy in detection the problem of.
For the ease of inputting the TOC solution of preset concentration, pure water total organic carbon shown in FIG. 1 into the second intake line 13
Analyzer calibrating installation further includes sample injector 14.Wherein, sample injector 14 is connected with inlet, for holding the TOC of preset concentration
Solution.
Further, the calibrating installation of pure water total organic carbon analyzer shown in Fig. 1 further includes level control unit 15.Liquid level control
Unit 15 processed is electrically connected with front pump 10, and when level control unit 15 detects that the solution in hybrid bottle 2 reaches preset height
When spending, the stopping of front pump 10 can be controlled.15 one side of level control unit ensure that the accuracy of amount of solution in hybrid bottle 2；
On the other hand, starting and stopping for front pump 10 is automatically controlled, it is convenient and efficient.
Level control unit 15 includes controller and liquid level detector, and controller and liquid level detector are electrically connected, controller
It is electrically connected with front pump 10.Liquid level detector is mounted on hybrid bottle 2, when detecting that solution in hybrid bottle 2 reaches liquid level inspection
When surveying the detection height of device, liquid level detector will test signal and be transmitted to controller, and controller, which controls front pump 10, to be stopped.In order to just
In scale can be set in the detection of the different height of the solution in hybrid bottle 2, hybrid bottle 2, user can be according to practical need
It wants, liquid level detector is installed to the arbitrary height position of hybrid bottle 2.
In order to improve the control precision for the amount of solution that front pump 10 inputs in hybrid bottle 2, front pump 10 shown in FIG. 1 can be with
It is accurate HPLC pump.It should be noted that front pump 10 is also possible to other pumps that can be realized and accurately control.
In the present embodiment, blender 1 is magnetic stirring apparatus.Magnetic stirring apparatus has precision high, high-efficient, noise it is low and at
This low advantage, it is therefore preferable that blender 1 is magnetic stirring apparatus, it should be noted that other can be realized stirring for agitating function
It mixes device 1 and also belongs to protection scope of the present invention.
In the present embodiment, protective gas is nitrogen.It should be noted that protective gas is also possible to rare gas, consider
The problem of to cost, preferably protective gas are nitrogen.
Protective gas is first continued through air inlet when in use by pure water total organic carbon analyzer calibrating installation shown in FIG. 1
Pipe 3 inputs in hybrid bottle 2, and the air in former hybrid bottle 2 is discharged protective gas along exhaust pipe 4.It, will after equal air are discharged
Water purification machine 11 is opened, so that the pure water in water purification machine 11 is input in the second intake line 13, sample injector 14 is by preset concentration
TOC solution injects the second intake line 13, passes through the first intake line 12 for blank water and preset concentration by accurate HPLC pump
TOC solution injection hybrid bottle 2 in；Then, magnetic stirring apparatus stirs evenly the solution in hybrid bottle 2, passes through distribution circuit
It is divided into three tunnels to lead with calibration pure water total organic carbon analyzer 6, receiving flask 7 and pure water total organic carbon analyzer 8 to be calibrated respectively
Logical, the data comparison measured by calibration pure water total organic carbon analyzer 6 pure water total organic carbon analyzer 8 to be calibrated measures
Data point reuse pure water total organic carbon analyzer 8 to be calibrated.Since hybrid bottle 2 is continually fed into protective gas, air is driven out of mixing
Bottle 2, avoids the carbon dioxide in hybrid bottle 2 and dissolves in hybrid bottle 2, influence detection accuracy.In addition, hybrid bottle 2 is quartzy material
Matter is made, and the sodium element in glass material caused by using vial is avoided to enter in the solution in hybrid bottle 2, influences solution and leads
Electric rate, and then influence accuracy in detection；Distribution circuit 5, the first intake line 12 and the second intake line 13 are polytetrafluoroethyl-ne
Alkene is made, and avoids entering asking for solution influenced accuracy in detection using the carbon that dissociates in pipeline caused by common plastics pipeline
Topic.To sum up, the present invention realizes the accurate calibration to pure water total organic carbon analyzer 8 to be calibrated.
Embodiment 3
Pure water total organic carbon analyzer is calibrated with the calibrating installation of above-described embodiment 2, calibration item is to show
It is worth error, the error of indication is in allowed limits.Calibration data see the table below.The result shows that total organic carbon (TOC) of the invention point
The calibration method and device of analyzer are able to carry out the measurement and calibration of pure water total organic carbon analyzer, effectively inhibit dioxy in air
The severe jamming for changing carbon, ensure that calibration result.And conventional method cannot eliminate the interference of Carbon Dioxide in Air, can not carry out
Calibration.
Calibrating installation and method example explanation：
1. the key fitment explanation of calibrating installation
1) HPLC precise injection pumps：The Beijing range of flow (0.5-5.0) mL/min, sample volume (0-100) uL analysis instrument
Factory
2) quartz glass mixer：Designed, designed, by Jinzhou, glass factory is processed.Volume specification has 2 kinds：2L and 5L, has
Metering scientific research institute of state is demarcated
3) blender：Model 7200 is provided by Beijing company of Tegent Technology
4) pure water meter：It is provided by Millipore company, model：Q-POD
5) high-precision pure water TOC analyzer：The production of GE company of the U.S., model：Sievers 900Lab all connecting tubes
Road is all provided by Millipore company, φ 5mm specification, PE material.
Calibration method：
Calibration measurement result --- the error of indication
" first " in the present invention, " second " etc. are to be distinguished in description, without others particular meanings.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and inventive features phase
Consistent widest scope.
Claims (10)
1. a kind of method for calibrating total organic carbon (TOC) analyzer comprising：
Mix TOC reference material with blank water, to obtain mixed uniformly TOC reference sample；
Mixed uniformly TOC reference sample is set to flow to the first TOC analyzer of calibration and to be calibrated respectively via distribution circuit
The 2nd TOC analyzer；With
The first and second TOC analyzer measures the TOC in the TOC reference sample, and more respective measurement result respectively.
2. the method according to claim 1, wherein the TOC reference material and blank water are to subscribe ratio mixing, it is pre- to obtain
Determine the TOC reference sample of concentration；
Preferably, the blank water is the purified water prepared immediately by pure water meter, via in intake line input mixer；
Additionally preferably, the mixing is assisted using blender；
Additionally preferably, the mixing of the predetermined ratio is realized by the liquid level in control mixer；The more preferably described liquid
Position controls by preferably including liquid level detector, front pump and inputting the level control unit of pump controller and realizes, wherein institute
Front pump is stated to be connected with the input port of mixer by intake line.
3. method according to claim 1 or 2, wherein described be blended in mixer carries out, the mixer is pre-charged with guarantor
Gas is protected, and the mixer is in protective gas atmosphere during mixing；
The preferably described mixer is made of quartz；
Additionally preferably, the protective gas is free from the gas of carbon, such as nitrogen and/or inert gas；
Additionally preferably, the distribution circuit for connecting mixer and the first and second TOC analyzer is made of PTFE, then
It preferably connects front pump and the intake line of mixer is made of PTFE.
4. according to claim 1 to the method for 3 any one, wherein dispensing pump is provided in the distribution circuit, described in driving
TOC reference sample enters the first and second TOC analyzer；Such as the dispensing pump is peristaltic pump.
5. according to claim 1 to the method for 4 any one, wherein the TOC analyzer is used to analyze the TOC in pure water.
6. a kind of TOC analyzer calibrating installation comprising：
Mixer is mixed for TOC reference material with blank water wherein, has the outlet of mixing TOC reference sample, also has
There is the unit for generating protective gas atmosphere；The preferably described unit for generating protective gas atmosphere includes to be filled with gas to mixer
Air inlet pipe and from mixer discharge gas exhaust pipe；
First output end, for making mixing TOC reference sample enter the first TOC analyzer of calibration；
Second output terminal, for making to mix TOC reference sample into the 2nd TOC analyzer to be calibrated；With
Distribution circuit is exported to first output end and second output terminal for connect the mixer；
The preferably described calibrating installation executes method according to any one of claims 1 to 5.
7. calibrating installation according to claim 6, further includes：
Pure water meter or pure water meter interface, for providing the blank water prepared immediately to obtain TOC reference sample；And/or
Blender, for assisting the mixing of TOC reference material Yu blank water；And/or
Level control unit, for controlling the liquid level in mixer to realize the mixing of the predetermined ratio；The preferably described liquid
Position control unit includes liquid level detector, front pump and input pump controller, wherein the input port of the front pump and mixer
It is connected by intake line.
8. the calibrating installation of according to claim 6 or 7, wherein：
The mixer is made of quartz；And/or
The protective gas is free from the gas of carbon, such as nitrogen and/or inert gas；And/or
The distribution circuit of connection mixer and the first and second TOC analyzer is made of PTFE；And/or
The intake line of connection pure water meter, front pump and mixer is made of PTFE.
9. it further include the dispensing pump being set in distribution circuit according to the calibrating installation of any one of claim 6 to 8, driving
The TOC reference sample enters the first and second TOC analyzer；Such as the dispensing pump is peristaltic pump.
10. according to the calibrating installation of any one of claim 6 to 9, for calibrating pure water TOC analyzer.
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| CN110346480A (en) * | 2019-08-09 | 2019-10-18 | 新乡双鹭药业有限公司 | The method of organic carbon method measurement workshop air total hydrocarbon |
| CN110763639A (en) * | 2019-11-13 | 2020-02-07 | 上海市计量测试技术研究院 | Calibration method of ozone analyzer in water |
| CN111239080A (en) * | 2020-01-21 | 2020-06-05 | 力合科技（湖南）股份有限公司 | Quality control device and OCEC analytic system |
| CN113075149A (en) * | 2021-02-22 | 2021-07-06 | 中国地质调查局西安地质调查中心(西北地质科技创新中心) | Data correction test method for preventing detection result from drifting and presenting descending rule |
| CN114113453A (en) * | 2021-12-06 | 2022-03-01 | 北京大学 | Device, system and method for detecting content of total organic carbon in gas |
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| CN113075149A (en) * | 2021-02-22 | 2021-07-06 | 中国地质调查局西安地质调查中心(西北地质科技创新中心) | Data correction test method for preventing detection result from drifting and presenting descending rule |
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