CN106841068A - Prepare the body method of mercury vapour containing extra fine quality and Mercury In The Air monitoring system calibration method - Google Patents
Prepare the body method of mercury vapour containing extra fine quality and Mercury In The Air monitoring system calibration method Download PDFInfo
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- CN106841068A CN106841068A CN201710057159.0A CN201710057159A CN106841068A CN 106841068 A CN106841068 A CN 106841068A CN 201710057159 A CN201710057159 A CN 201710057159A CN 106841068 A CN106841068 A CN 106841068A
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- mercury
- compound solution
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- mercury compound
- elemental
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/3103—Atomic absorption analysis
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B43/00—Obtaining mercury
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/36—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential
- G05B11/42—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential for obtaining a characteristic which is both proportional and time-dependent, e.g. P.I., P.I.D.
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/3103—Atomic absorption analysis
- G01N2021/3107—Cold vapor, e.g. determination of Hg
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/12—Circuits of general importance; Signal processing
- G01N2201/127—Calibration; base line adjustment; drift compensation
Abstract
The present invention proposes a kind of method for preparing the gas containing extra fine quality elemental mercury, comprises the following steps:Obtain the reagent of the quality mercury compound containing needed for;By acquired mercury compound and the reducing agent reaction of excess, ion state mercury Restore All is set to be elemental mercury;Gained elemental mercury will be reduced with carrier gas to dilute, obtain the gas of the quality elements state mercury containing needed for.This method can prepare the gas containing accurate mass elemental mercury, and without the concern for the concentration containing mercury gas.The present invention also proposes a kind of Mercury In The Air on-line monitoring system quantitative calibration method, gas containing mercury element prepared by the foregoing method for preparing the gas containing extra fine quality elemental mercury is used for Mercury In The Air on-line monitoring system quantitative calibration, the continuous demarcation to Mercury In The Air on-line monitoring system can be realized.
Description
Technical field
It is more particularly to a kind of to prepare the gas side containing extra fine quality mercury the present invention relates to prepare mercurous gas field
Method, while being related to Mercury In The Air on-line monitoring system quantitative calibration method.
Background technology
The wide material sources of surrounding air mercury, can contact everywhere in life, and industrial discharge and house refuse burning are to us
Living environment bring directly destruction.Heavy metal Hg is to need monitored important indicator in surrounding air.The unstability of mercury
With volatility so that monitoring difficulty is huge, requirements at the higher level are proposed to equipment and measuring method.
Research is weaker at present for mercury in air, is always the problem of scientific research person.One of its major reason
It is collection and the limitation of analytical technology of sample.It is ng/m because the concentration value of mercury in air is very low3Rank, it is rich to sampling
Collection technical requirements are higher, and mercury has very strong volatility, and promoting to sample must take into consideration the volatilization loss of mercury.Mercury In The Air is studied
More than the country, in constantly making great efforts and exploring, the collection and its analysis of Mercury In The Air aspect are achieved certain to be entered foreign countries' report
Step, the research and development of some advanced collecting devices and technology so that the research of Mercury In The Air is gradually deep, detailed.The assay method of mercury
A lot, such as dithizone colorimetric method, precipitation colorimetric method, cuprous iodide gas detector method, test paper method, Pulse sample introduction device, Yi Jizhong
Sub- activation method etc.;Current more use cold-vapour atomic absorption method, this method sensitivity is high, and accuracy is good.
Mercury In The Air is carried out before sampling analysis using mercury analyzer, it is necessary to be demarcated to mercury analyzer, demarcation needs to use
The gas that mercury element content determines.At present by the bottled mercury gas not used for demarcation, it is necessary to dynamic realtime occurs.But due to
Accurately ng/m3The calibration of rank occurs with the more difficult dynamic realtime of mercury vapour;And there is gas concentration typically ug/m3Rank, but
Work as ug/m3When the gas concentration of rank fluctuates, considerable influence can be produced to analysis result, therefore demarcating Mercury In The Air on-line monitoring
Tend not to meet demand during system.This is required us and this problem is solved using a kind of completely new approach.
The content of the invention
It is not enough present in background technology in order to solve, the invention is intended to propose that one kind prepares elemental mercury containing extra fine quality
Gas method, the gas containing accurate mass elemental mercury can be prepared, and without the concern for the concentration containing mercury gas;Together
When be intended to propose a kind of Mercury In The Air on-line monitoring system quantitative calibration method, can realize continuous to Mercury In The Air on-line monitoring system
Demarcated.
The present invention proposes a kind of method for preparing the gas containing extra fine quality elemental mercury, comprises the following steps:
Obtain the reagent of the quality mercury compound containing needed for;
By acquired mercury compound and the reducing agent reaction of excess, ion state mercury Restore All is set to be elemental mercury;
Gained elemental mercury will be reduced with carrier gas to dilute, obtain the gas of the quality elements state mercury containing needed for.
Further, the reagent for obtaining the quality mercury compound containing needed for, comprises the following steps:
Prepare mercury compound solution;
Measure quantitatively described mercury compound solution.
Further, it is described to measure quantitative mercury compound solution, completed using weighting manner, comprise the following steps:
The device for accommodating mercury compound solution is arranged on weighing device;
The weight of the mercury compound solution needed for being set on weighing device;
When the weight of the mercury compound solution for weighing reaches setting value, completion measures quantitative mercury compound solution.
Further, it is described to measure quantitative mercury compound solution, completed using measurement volumetric manner, comprise the following steps:
Liquid level sensor is arranged on the device for accommodating mercury compound solution;
The mercury compound solution body product value measured needed for being set on liquid level sensor;
When the volume of the mercury compound solution for measuring reaches setting value, completion measures quantitative mercury compound solution.
Further, it is described to measure quantitative mercury compound solution, completed using fixed volume reagent array way, including with
Lower step:
The storing apparatus of multiple different fixed volumes are taken, composition reagent accommodates array;
Above-mentioned each storing apparatus are filled into mercury compound solution;
Mercury compound solution is drawn as needed, when the mercury compound solution for taking one or several storing apparatus
When, completion measures quantitative mercury compound solution.
Further, it is described to measure quantitatively described mercury compound solution;By acquired mercury compound and excessive reduction
Agent is reacted, and makes ion state mercury Restore All during elemental mercury, using quantitative pipe device, to comprise the following steps:
The importation of quantity tube is connected with the device for accommodating mercury compound solution;
The output par, c of quantity tube is connected with reduction apparatus;
The volume of the mercury compound solution that setting quantity tube need to be extracted;
Mercury compound solution is extracted with the importation of quantity tube;
When the volume of the mercury compound solution for extracting reaches setting value, completion measures quantitative mercury compound solution;
By the output par, c of quantity tube, the mercury compound solution that quantity tube is extracted sends into reduction apparatus.
Further, it is described that acquired mercury compound is reacted with the reducing agent of excess, make ion state mercury Restore All
During for elemental mercury, using peristaltic pump, by pipeline, the continuous feed liquor of mercury compound solution that will be measured to reduction apparatus
In.
Further, capillary fluid path is used as the pipeline.
Further, when the mercury compound solution value measured needed for, wriggling revolution speed is adjusted by PID and is subtracted
Speed control.
The present invention also proposes a kind of Mercury In The Air on-line monitoring system quantitative calibration method, comprises the following steps:
With the foregoing method for preparing the gas containing extra fine quality elemental mercury, the gas of the quality elements state mercury containing needed for is prepared
Body;
Gas obtained above is passed through the mercury Enrichment analyzer of the Mercury In The Air on-line monitoring system, mercury absorption is carried out rich
Collection parsing;
The mercury element parsed to mercury Enrichment analyzer adsorption and enrichment with the mercury analyzer of the Mercury In The Air on-line monitoring system
It is analyzed, calculates peak area;
Peak area obtained by foregoing calculating is corresponding with the mass value of foregoing mercury, complete the mark of peak area under the mercury quality
It is fixed;
Abovementioned steps are repeated, the demarcation of the peak area of mercury analyzer under the quality of different mercury is carried out, in mercury analyzer
Calibration curve is done, so as to reach the calibration of the Mercury In The Air on-line monitoring system.
Using the present invention, following beneficial effect is capable of achieving:
(1) gas containing accurate mass elemental mercury can be prepared.
(2) Enrichment analyzer collection mercury element quality it is accurate, it is not necessary to consider Enrichment analyzer collection containing mercury gas
Concentration.
(3) the calibration mercury gas of mercury element content determination can in real time occur, continuously Mercury In The Air can be monitored on-line
System is demarcated.
Brief description of the drawings
Fig. 1 is the method schematic diagram of the gas of the preparation containing extra fine quality elemental mercury of the embodiment of the present invention.
Fig. 2 is the Mercury In The Air on-line monitoring system structural representation of the embodiment of the present invention.
Fig. 3 is the Mercury In The Air on-line monitoring system quantitative calibration method schematic diagram of the embodiment of the present invention.
Specific embodiment
Embodiments of the present invention are illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the method schematic diagram of the gas of the preparation containing extra fine quality elemental mercury of the embodiment of the present invention.Such as Fig. 1 institutes
Show, the reagent of the quality mercury compound containing needed for is obtained first.Obtaining the mode of the reagent of quality mercury compound containing needed for can be
The other modes such as preparation, or purchase.First it is to prepare mercury compound when the reagent of quality mercury compound needed for preparing
Solution, the solvent of the solution for example can be distilled water;Solute is mercury compound, and mercury compound for example can be HgCl here2,
Can also be other mercury compounds soluble in water.
Saturated solution can be prepared when preparing mercury compound solution, it is also possible to prepare unsaturated solution.
, it is necessary to prepare at a certain temperature when preparing saturated solution, described specified temp can refer to and use to add herein
Temperature, attemperator make mercury compound saturated solution temperature constant;Heating, attemperator can not also be used, but temperature is set
Sensor, measures the temperature of saturated solution in real time.Both the above situation understands the temperature value of mercury compound saturated solution, according to
The temperature value just can obtain corresponding mercury compound saturated solution solubility.Above method can exactly measure certain volume
Mercury compound solution, according to the solubility of mercury compound solution under design temperature and the liquor capacity for measuring, so that it may calculate
The exact level of mercury compound in mercury compound solution under the volume.
, it is necessary to accurate weighing mercury compound weight during preparation unsaturation mercury compound solution.The accurate weight mercury that will claim
Compound is put into excessive solvent, and the mercury compound content of the unit volume of the mercury compound solution after dissolving is mercury compound
Weight and solvent ratio.By the product of the mercury compound content of unit of account volume and the volume for taking mercury compound solution,
The exact level of mercury compound in the mercury compound solution under the volume can be obtained.Such as:50mg concentration is 1umol/l's
HgCl2Solution mercury content is:50*0.001*0.000001*200.5/1000=10ng;Similarly:25mg reagents, the content of mercury is
5ng;75mg reagents, the content of mercury is 15ng;100mg reagents, the content of mercury is 20ng.
After mercury compound solution is prepared, quantitative mercury compound solution is next measured as needed.It is fixed measuring
During the mercury compound solution of amount, you can to use weighting manner, it would however also be possible to employ measurement volumetric manner.During using weighting manner,
Need to use weighing device, weighing device can be balance herein;The specific practice is will first to accommodate the dress of mercury compound solution
Put and be arranged on weighing device;The weight of the mercury compound solution needed for then being set on weighing device;When the mercuration for weighing
When the weight of polymer solution reaches setting value, completion measures volumetric soiutions.Passed, it is necessary to use liquid level during using measurement volumetric manner
, be arranged on liquid level sensor on the device for accommodating mercury compound solution before this by sensor;Then institute is set on liquid level sensor
The mercury compound solution body product value that requirement takes;When the volume of the mercury compound solution for measuring reaches setting value, completion measures fixed
Amount mercury compound solution.
After the amount of the mercury compound solution for measuring reaches setting value, the quantitative mercury compound solution that will be measured can be performed and sent
The step of entering reduction apparatus.In the process, the storing apparatus of mercury compound solution are connected with reduction apparatus by pipeline, are made
Drive the mercury compound solution in pipeline to flow to reduction apparatus from the storing apparatus of mercury compound solution with peristaltic pump, make herein
Pipeline can be capillary fluid path, can make the flow of mercury compound solution small using capillary fluid path, be easily controlled.When
Close to needed for measure mercury compound solution value when, wriggling revolution speed by PID adjust slow down control, using PID adjust into
Row slows down and controls, and can further reduce flow, it is ensured that the volume into the mercury compound saturated solution in reduction apparatus is to set
Fixed measures value.
The present invention provides another implementation method and accommodates measuring for array completion quantitative mercury compound solution using reagent.First take
The device of the receiving mercury compound solution of multiple not co-contents, composition reagent accommodates array;Then by above-mentioned each storing apparatus
Mercury compound solution is filled, for example, can be the unsaturated mercury compound solution for preparing;Then mercury compound solution is drawn;Root
According to needs, when the mercury compound solution of one or several above-mentioned storing apparatus is taken, completion measures volumetric soiutions.Using this
Mode, it is also possible to obtain accurate quantitative mercury compound solution.
Another implementation method that the present invention is provided obtains the examination of the quality mercury compound containing needed for using the completion of quantitative pipe device
Agent;By acquired mercury compound and the reducing agent reaction of excess, make the process that ion state mercury Restore All is elemental mercury.Tool
Body is that the importation of quantity tube is connected with the device for accommodating mercury compound solution first;Then by the output par, c of quantity tube
It is connected with reduction apparatus;Then the volume of the mercury compound solution that quantity tube need to be extracted is set;Afterwards with the input unit of quantity tube
Divide and extract mercury compound solution;When the volume of the mercury compound solution for extracting reaches setting value, completion measures quantitative mercury chemical combination
Thing solution;After completion measures quantitative mercury compound solution, by the output par, c of quantity tube, the mercury compound that quantity tube is extracted
Solution, sends into reduction apparatus.Make in this way, it is also possible to obtain accurate quantitative mercury compound solution.
After by above-mentioned steps acquirement reagent of quality mercury compound containing needed for, by acquired mercury compound and excess
Reducing agent reaction, with excessive reductant react purpose be the certain volume acquired by guarantee mercury compound saturated solution
In make ion state mercury Restore All are elemental mercury.
Next carrier gas is passed through in time, by reduction gained elemental mercury dilution, obtain the gas of the quality mercury containing needed for.It is above-mentioned
Carrier gas for example can be nitrogen, or other inert gases.Carrier gas can be passed through when reduction reaction starts, it is also possible to also
Original reaction is passed through before starting, and can so ensure that the mercury element that Reduced separating goes out dilutes in time, will not condense;The element for restoring
The mercury carrier gas concentration that state mercury mixes generation with carrier gas is generally Gamma Magnitude, and the mercury concentration to the gas after dilution can not here
Make concrete restriction, need to only meet the sensitivity requirement of enrichment pipe.
Above procedure completes the preparation of the gas for calibrating of quality mercury containing needed for.Using in embodiment of the present invention
The gas methods for calibration of the quality mercury containing needed for are prepared, the calibration mercury vapour of mercury element content determination can occur in real time
Body, is conducive to continuously demarcating Mercury In The Air on-line monitoring system.
Fig. 2 is the Mercury In The Air on-line monitoring system structural representation of the embodiment of the present invention.As shown in Fig. 2 Mercury In The Air is online
Monitoring system is used to monitor on-line the concentration of gaseous mercury in surrounding air, and realization is evaluated ambient air quality.See that Fig. 2 is big
Bicycle pump on-line monitoring system is constituted including mercury Enrichment analyzer, mercury analyzer, MCU units etc..Wherein, mercury Enrichment analyzer is used for
Mercury in timesharing enrichment, parsing surrounding air, mercury Enrichment analyzer is provided with gas access, and enrichment material is usually amalgam;Mercury
Analyzer is, using Clod Vapour Atomic Absorption spectral principle, the dress of the functions such as quantitative analysis, treatment, display to be carried out to the mercury in gas
Put, mercury analyzer is provided with gas vent;MCU (Microcontroller Unit) processing unit is used to be enriched with parsing to mercury
Device, the work of mercury analyzer are controlled management.
Fig. 3 is the Mercury In The Air on-line monitoring system quantitative calibration method schematic diagram of the embodiment of the present invention.As shown in Figure 3 is big
Bicycle pump on-line monitoring system quantitative calibration method, after the gas for calibration of quality mercury containing needed for is prepared, by above-mentioned system
The gas for obtaining is passed through the mercury Enrichment analyzer of the Mercury In The Air on-line monitoring system, carries out mercury adsorption and enrichment parsing.Then institute is used
The mercury analyzer for stating Mercury In The Air on-line monitoring system is analyzed to the mercury element that mercury Enrichment analyzer adsorption and enrichment is parsed, and calculates
Peak area.Peak area obtained by foregoing calculating is corresponding with the mass value of foregoing mercury, complete the mark of peak area under the mercury quality
It is fixed.Aforementioned process is repeated, the demarcation of the peak area of mercury analyzer under the quality of different mercury is carried out, calibrated in mercury analyzer
Curve, so as to realize the quantitative concentrations calibration to system, reaches the purpose of calibration system.
The preparation provided in embodiment of the present invention is for Mercury In The Air on-line monitoring system quantitative calibration containing quantitative mercury unit
The method of plain gas, overcomes the technical barrier that nanogram level concentration calibration mercury gas are difficult to produce;And Gamma Magnitude concentration
Calibration mercury gas occur concentration it is unstable when, make calibration result error big, it is impossible to accurate alignment Mercury In The Air on-line monitoring system
Problem.The method of the preparation containing quantitative mercury elemental gas of the embodiment of the present invention similarly can also be applied to the huge sum of money in other air
The preparation of the monitoring system quantitative calibration gas of category, other heavy metals mentioned here for example can be lead, cadmium etc..
It should be noted that each embodiment above by reference to described by accompanying drawing is only used to illustrate rather than limitation originally
The scope of invention, it will be understood by those within the art that, it is right under the premise without departing from the spirit and scope of the present invention
Modification or equivalent that the present invention is carried out, all should cover within the scope of the present invention.In addition, unless stated otherwise, that
All or part of of any embodiment can combine all or part of of any other embodiment and use.
Claims (10)
1. a kind of method for preparing the gas containing extra fine quality elemental mercury, comprises the following steps:
Obtain the reagent of the quality mercury compound containing needed for;
By acquired mercury compound and the reducing agent reaction of excess, ion state mercury Restore All is set to be elemental mercury;
Gained elemental mercury will be reduced with carrier gas to dilute, obtain the gas of the quality elements state mercury containing needed for.
2. the method that preparation as claimed in claim 1 contains the gas of extra fine quality elemental mercury, it is characterised in that the acquirement
Reagent containing required quality mercury compound, comprises the following steps:
Prepare mercury compound solution;
Measure quantitatively described mercury compound solution.
3. the method that preparation as claimed in claim 2 contains the gas of extra fine quality elemental mercury, it is characterised in that described to measure
Quantitative mercury compound solution, is completed using weighting manner, is comprised the following steps:
The device for accommodating mercury compound solution is arranged on weighing device;
The weight of the mercury compound solution needed for being set on weighing device;
When the weight of the mercury compound solution for weighing reaches setting value, completion measures quantitative mercury compound solution.
4. the method that preparation as claimed in claim 2 contains the gas of extra fine quality elemental mercury, it is characterised in that described to measure
Quantitative mercury compound solution, is completed using measurement volumetric manner, is comprised the following steps:
Liquid level sensor is arranged on the device for accommodating mercury compound solution;
The mercury compound solution body product value measured needed for being set on liquid level sensor;
When the volume of the mercury compound solution for measuring reaches setting value, completion measures quantitative mercury compound solution.
5. the method that preparation as claimed in claim 2 contains the gas of extra fine quality elemental mercury, it is characterised in that described to measure
Quantitative mercury compound solution, is completed using fixed volume reagent array way, is comprised the following steps:
The storing apparatus of multiple different fixed volumes are taken, composition reagent accommodates array;
Above-mentioned each storing apparatus are filled into mercury compound solution;
Mercury compound solution is drawn as needed, it is complete when the mercury compound solution of one or several storing apparatus is taken
Into measuring quantitative mercury compound solution.
6. the method that preparation as claimed in claim 2 contains the gas of extra fine quality elemental mercury, it is characterised in that described to measure
The quantitative mercury compound solution;By acquired mercury compound and the reducing agent reaction of excess, make ion state mercury Restore All
During for elemental mercury, using quantitative pipe device, comprise the following steps:
The importation of quantity tube is connected with the device for accommodating mercury compound solution;
The output par, c of quantity tube is connected with reduction apparatus;
The volume of the mercury compound solution that setting quantity tube need to be extracted;
Mercury compound solution is extracted with the importation of quantity tube;
When the volume of the mercury compound solution for extracting reaches setting value, completion measures quantitative mercury compound solution;
By the output par, c of quantity tube, the mercury compound solution that quantity tube is extracted sends into reduction apparatus.
7. the method that preparation as claimed in claim 1 contains the gas of extra fine quality elemental mercury, it is characterised in that described by institute
The mercury compound of acquirement and the reducing agent reaction of excess, make ion state mercury Restore All during elemental mercury, to use wriggling
Pump, by pipeline, in the continuous feed liquor of mercury compound solution that will be measured to reduction apparatus.
8. the method that preparation as claimed in claim 7 contains the gas of extra fine quality elemental mercury, it is characterised in that by capillary
Fluid path is used as the pipeline.
9. the as claimed in claim 7 method for preparing the gas containing extra fine quality elemental mercury, it is characterised in that when close to institute
During the mercury compound solution value that requirement takes, control of slowing down is adjusted by PID to wriggling revolution speed.
10. a kind of Mercury In The Air on-line monitoring system quantitative calibration method, comprises the following steps:
With the method for gas of the preparation containing extra fine quality elemental mercury as described in one of claim 1-9, the quality containing needed for is prepared
The gas of elemental mercury;
Gas obtained above is passed through the mercury Enrichment analyzer of the Mercury In The Air on-line monitoring system, mercury adsorption and enrichment solution is carried out
Analysis;
The mercury element that mercury Enrichment analyzer adsorption and enrichment is parsed is carried out with the mercury analyzer of the Mercury In The Air on-line monitoring system
Analysis, calculates peak area;
Peak area obtained by foregoing calculating is corresponding with the mass value of foregoing mercury, complete the demarcation of peak area under the mercury quality;
Abovementioned steps are repeated, the demarcation of the peak area of mercury analyzer under the quality of different mercury is carried out, school is done in mercury analyzer
Directrix curve, so as to reach the calibration of the Mercury In The Air on-line monitoring system.
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