CN107957412A - A kind of heating board digestion of arsenic and mercury-atom fluorimetry method in soil - Google Patents
A kind of heating board digestion of arsenic and mercury-atom fluorimetry method in soil Download PDFInfo
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- CN107957412A CN107957412A CN201711397421.2A CN201711397421A CN107957412A CN 107957412 A CN107957412 A CN 107957412A CN 201711397421 A CN201711397421 A CN 201711397421A CN 107957412 A CN107957412 A CN 107957412A
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Abstract
The invention discloses the heating board digestion atom fluorimetry method of arsenic in a kind of soil and mercury, belong to environmental monitoring technology field.This method carries out pre-treatment using heating board digestion method to pedotheque, easy to operate, good temperature-control performance, safe, is particularly suitable for the analysis of high-volume pedotheque；And using the content of arsenic and mercury in In Soil With Atomic Fluorescence, measurement result is accurate, precision is high, the detection limit of arsenic and mercury is respectively 0.024 μ g/L and 0.003 μ g/L in soil, it can realize trace analysis, be widely used in the detection of arsenic and mercury in regional soil background, agricultural land soil environment, soil pollution accident.Assay method of the present invention it is easy to operate, it is necessary to instrument and equipment it is cheap and easy to get, it is easy to spread.
Description
Technical field
The present invention relates to environmental monitoring technology field, and specifically heating board digestion-atom of arsenic and mercury is glimmering in a kind of soil
Photometric methods.
Background technology
Arsenic is very wide in distributed in nature, it is widely present in food, water body, soil and air.Mercury and mercuric compounds belong to acute
Noxious material, can invade human body by approach such as respiratory tract, skin or alimentary canals.Inorganic mercury ion into water body can be changed into poison
Property bigger organic mercury, through food chain enter human body make one systemic toxicity profiles.The pollution of arsenic and mercury comes from industrial pollution in soil
And agricultural pollution, wherein industrial pollution be as the discharge of the waste water containing arsenic and mercury, exhaust gas and waste residue and caused by, agricultural pollution is big
Part is caused by the use containing arsenic, the pesticide of mercury and insecticide.Arsenic, the pollution of mercury and poisoning are classified as weight by the World Health Organization
Want public hazards.With the continuous development of non-polluted farm product and Green Food Industry, the Ministry of Agriculture has formulated relevant criterion, to nuisanceless
The arsenic of food and Green Food Producing Area environment, mercury make stringent limitation regulation.Meanwhile National Environmental quality standard also by arsenic,
Mercury is classified as essential items for inspection.In soil analysis, frequently with colorimetric method, atomic absorption method and atomic fluorescence method.First two method
Measurement result is relatively stablized, and shortcoming is cumbersome, and analysis time length, sensitivity is relatively low, and the low sample of content can not be quantified
As a result, it cannot meet the evaluation criterion requirement of environment.And atomic fluorescence method is bent with its high sensitivity, low detection limits, analytic set
The line range of linearity is wide, and the characteristics of can carrying out multielement simultaneous determination is widely applied in soil analysis.At present, soil-like
The pre-treating method of product is more, mainly there is micro-wave digestion, Water bath, high pressure digestion etc..Micro-wave digestion and high pressure digestion
Equipment is expensive, and there are some potential safety problems, Water bath is mainly used in the resolution of some low temperature, and application field is limited, and
Temperature-control performance is poor.
The content of the invention
The purpose of the present invention is for above-mentioned technical problem, there is provided a kind of instrument is simple, good temperature-control performance, safe
The heating board digestion of arsenic and mercury-atom fluorimetry method in soil.
The heating board digestion of arsenic and mercury-atom fluorimetry method in a kind of soil of the present invention, specifically includes following steps：
（1）Solution is prepared
The preparation of arsenic standard solution：The arsenic standard reserving solution for taking 10 mL concentration to be 1000 μ g/mL, is diluted to 1.00 step by step
Mg/L to obtain the final product；Arsenic standard reserving solution uses national certified reference material；
The preparation of mercury standard solution：The mercury standard reserving solution for taking 10 mL concentration to be 1000 μ g/mL, is diluted to 100 μ g/ step by step
L to obtain the final product；Mercury standard reserving solution uses national certified reference material；
The preparation of arsenic standard serial solution：Pipette 2.00 respectively, 4.00,6.00,8.00,10.00mL arsenic standard solution in
In 100 mL volumetric flasks, 2.5mL hydrochloric acid is separately added into, the thiourea and ascorbic acid solution that 10.0mL mass volume fraction is 10%,
Be settled to graticule with deionized water, mix, room temperature places 30min, be configured to concentration for 20.00,40.00,60.00,80.00,
The mercury standard serial solution of 100.00 μ g/L, while make standard space management；
The preparation of mercury standard serial solution：Pipette 0.20 respectively, 0.40,0.60,0.80,1.00mL mercury standard solutions are in 100
In mL volumetric flasks, be separately added into 2.5mL hydrochloric acid, graticule be settled to deionized water, mix, be configured to concentration for 0.20,
0.40th, the mercury standard serial solution of 0.60,0.80,1.00 μ g/L, while make standard space management；
（2）The heating board digestion of pedotheque
0.2-0.6g pedotheques accurately are weighed, are placed in polytetrafluoroethylene (PTFE) crucible, 10mL hydrochloric acid, Yu Tong are added after being moistened with water
Low-temperature heat on electric hot plate in wind cupboard, during 2.5-3.5mL to be evaporated to surplus, removes cooling, then sequentially add 5mL nitric acid,
5mL hydrofluoric acid and 3mL perchloric acid, heat 1-1.5h in 180 DEG C on electric hot plate after capping, uncap, and continue heating and remove silicon；When adding
For heat to when emitting dense white cigarette, capping, decomposes black organic carbon compound, after the black organic matter on sidewall of crucible disappears, uncaps
Drive perchloric acid white cigarette and steam to content in thick；3mL nitric acid, 3mL hydrofluoric acid and 1mL perchloric acid are added, in repetition
Digestion process is stated, when crucible contents are in again thick, cooling are removed, rinses crucible cover and inner wall with water, and add 1mL
Salpeter solution dissolved residue；Finally solution is transferred in 50mL volumetric flasks, adds 2.5mL hydrochloric acid and 5.0mL mass volume integrals
Number is 10% thiourea and ascorbic acid mixed solution, is settled to graticule after cooling, shakes up, to be measured, while does sample blank processing；
（3）Sample measures
Measure arsenic condition be：Lamp current 60mA, negative high voltage 280V, atomizer height 8mm, 400 mL/ of carrier gas flux
Min, shield gas flow amount 900mL/min；Measurement method is calibration curve method, and reading manner is peak height；
Measure mercury condition be：Lamp current 20mA, negative high voltage 300V, atomizer height 8mm, 400 mL/ of carrier gas flux
Min, shield gas flow amount 900mL/min；Measurement method is calibration curve method, and reading manner is peak height,
The standard serial solution of arsenic or mercury and sample to be tested are added in the autosampler of atomic fluorescence detector respectively, set instrument
Device analysis condition, automatic result of calculation after the completion of measure；The curve linear scope if tested concentration of element is above standard, is pressed after dilution
Preceding method redeterminates.
The heating board digestion of arsenic and mercury-atom fluorimetry methods and results are analyzed as follows in soil of the present invention：
1st, normal linearity equation
Arsenic standard curve linear equation is I=110.915 × Conc -15.395, R2=0.9999, range of linearity 0.01-
100μg/L；Mercury standard curve linear equation is I=255.809 × Conc+5.920, R2=0.9998, the range of linearity is
0.02-1μg/L。
2nd, detection limit measures
The detection limit program set according to instrument, METHOD FOR CONTINUOUS DETERMINATION blank solution 11 times, with the mark of 3 times of blank sample fluorescent values
Quasi- deviation divided by slope of standard curve（3δ/k）Obtain arsenic, the detection limit of mercury is respectively 0.024 μ g/L and 0.003 μ g/L.
3rd, precision measures
Soil changes are taken, carry out pre-treatment and measure according to aforementioned test methods, the result is shown in Tables 1 and 2.By Tables 1 and 2
Understand, take the arsenic of heating board digestion-Atomic fluorophotometry measure and the relative standard deviation of mercury be respectively 1.9-2.4% and
5.3-7.1%, illustrates that the precision of this method meets the requirements.
4th, accuracy determination
Soil changes are taken, carry out pre-treatment and measure according to aforementioned test methods, the result is shown in Tables 1 and 2.By Tables 1 and 2
Understand, take in the soil of heating board digestion-Atomic fluorophotometry measure the amount of arsenic and mercury in the guarantor of soil changes
In the range of card value, illustrate that the accuracy of this method is met the requirements.
1 heating board digestion of table-atomic fluorescence method soil changes measurement result（As）
2 heating board digestions of table-atomic fluorescence method soil changes measurement result（Hg）
The beneficial effects of the invention are as follows：
1st, pre-treatment, easy to operate, good temperature-control performance, safe, spy are carried out to pedotheque using heating board digestion method
Not Shi He high-volume pedotheque analysis.
2nd, using the content of arsenic in In Soil With Atomic Fluorescence and mercury, measurement result is accurate, precision is high, arsenic in soil
Detection limit with mercury is respectively 0.024 μ g/L and 0.003 μ g/L, it is possible to achieve trace analysis, is widely used in the regional soil back of the body
The detection of arsenic and mercury in scape, agricultural land soil environment, soil pollution accident.
3rd, assay method of the present invention it is easy to operate, it is necessary to instrument and equipment it is cheap and easy to get, it is easy to spread.
Embodiment
Heating board digestion-atom fluorimetry method of arsenic in soil of the present invention and mercury is made with reference to specific embodiment
Further illustrate.
Embodiment 1
0.2g pedotheques one accurately are weighed, are placed in 50mL polytetrafluoroethylene (PTFE) crucibles, 8mL hydrochloric acid is added after being moistened with water, in
Low-temperature heat on electric hot plate in fume hood, during 2.5mL to be evaporated to surplus, removes cooling, then sequentially adds 5mL nitric acid, 5mL
Hydrofluoric acid and 3mL perchloric acid, heat 1h in 180 DEG C on electric hot plate after capping, uncap, and continue heating and remove silicon；When being heated to emitting
During dense white cigarette, capping, decomposes black organic carbon compound, after the black organic matter on sidewall of crucible disappears, uncaps and drives height
Chloric acid white cigarette is simultaneously steamed to content in thick；3mL nitric acid, 3mL hydrofluoric acid and 1mL perchloric acid are added, repeats above-mentioned resolution
Process, when crucible contents are in again thick, remove cooling, rinses crucible cover and inner wall with water, and it is molten to add 1mL nitric acid
Liquid dissolved residue；Finally solution is transferred in 50mL volumetric flasks, it is 10% to add 2.5mL hydrochloric acid and 5.0mL mass volume fraction
Thiourea and ascorbic acid mixed solution, be settled to graticule after cooling and shake up, obtain pedotheque solution.
Take the above-mentioned pedotheque solution of 10mL, add in the autosampler of atomic fluorescence detector, set instrument parameter as：Lamp
Electric current 60mA, negative high voltage 280V, atomizer height 8mm, 400 mL/min of carrier gas flux, shield gas flow amount 900mL/
Min, 1500 μ L of sample size, the concentration for drawing arsenic are 53.6 μ g/L, and the content of arsenic is 13.4mg/kg in pedotheque；Similarly,
Take 10mL pedotheque solution, set instrument parameter as：Lamp current 20mA, negative high voltage 300V, atomizer height 8mm, carries
400 mL/min of throughput, shield gas flow amount 900mL/min, 1500 μ L of sample size, the concentration for drawing mercury are 0.080 μ g/L, soil
The content of mercury is 0.020mg/kg in earth sample.
Embodiment 2
0.4g pedotheques two accurately are weighed, are placed in 50mL polytetrafluoroethylene (PTFE) crucibles, 9mL hydrochloric acid is added after being moistened with water, in
Low-temperature heat on electric hot plate in fume hood, during 3mL to be evaporated to surplus, removes cooling, then sequentially adds 5mL nitric acid, 5mL hydrogen
Fluoric acid and 3mL perchloric acid, heat 1h in 180 DEG C on electric hot plate after capping, uncap, and continue heating and remove silicon；It is dense when being heated to emitting
During thick white cigarette, capping, decomposes black organic carbon compound, after the black organic matter on sidewall of crucible disappears, uncaps and drives high chlorine
Sour white cigarette is simultaneously steamed to content in thick；3mL nitric acid, 3mL hydrofluoric acid and 1mL perchloric acid are added, repeats above-mentioned cleared up
Journey；When crucible contents are in again thick, cooling is removed, rinses crucible cover and inner wall with water, and add 1mL salpeter solutions
Dissolved residue；Finally solution is transferred in 50mL volumetric flasks, it is 10% to add 2.5mL hydrochloric acid and 5.0mL mass volume fraction
Thiourea and ascorbic acid mixed solution, is settled to graticule after cooling and shakes up, obtain pedotheque solution.
Take the above-mentioned pedotheque solution of 10mL, add in the autosampler of atomic fluorescence detector, set instrument parameter as：Lamp
Electric current 60mA, negative high voltage 280V, atomizer height 8mm, 400 mL/min of carrier gas flux, shield gas flow amount 900mL/
Min, 1500 μ L of sample size, the concentration for drawing arsenic are 99.8 μ g/L, and the content of arsenic is 12.5mg/kg in pedotheque；Similarly,
Take 10mL pedotheque solution, set instrument parameter as：Lamp current 20mA, negative high voltage 300V, atomizer height 8mm, carries
400 mL/min of throughput, shield gas flow amount 900mL/min, 1500 μ L of sample size, the concentration for drawing mercury are 0.136 μ g/L, soil
The content of mercury is 0.017mg/kg in earth sample.
Embodiment 3
0.6g pedotheques three accurately are weighed, are placed in 50mL polytetrafluoroethylene (PTFE) crucibles, 10mL hydrochloric acid is added after being moistened with water, in
Low-temperature heat on electric hot plate in fume hood, during 3.5mL to be evaporated to surplus, removes cooling, then sequentially adds 5mL nitric acid, 5mL
Hydrofluoric acid and 3mL perchloric acid, heat 1h in 180 DEG C on electric hot plate after capping, uncap, and continue heating and remove silicon；When being heated to emitting
During dense white cigarette, capping, decomposes black organic carbon compound, after the black organic matter on sidewall of crucible disappears, uncaps and drives height
Chloric acid white cigarette is simultaneously steamed to content in thick；3mL nitric acid, 3mL hydrofluoric acid and 1mL perchloric acid are added, repeats above-mentioned resolution
Process, when crucible contents are in again thick, remove cooling, rinses crucible cover and inner wall with water, and it is molten to add 1mL nitric acid
Liquid dissolved residue；Finally solution is transferred in 50mL volumetric flasks, it is 10% to add 2.5mL hydrochloric acid and 5.0mL mass volume fraction
Thiourea and ascorbic acid mixed solution, be settled to graticule after cooling and shake up, obtain pedotheque solution.
Take the above-mentioned pedotheque solution of 10mL, add in the autosampler of atomic fluorescence detector, set instrument parameter as：Lamp
Electric current 60mA, negative high voltage 280V, atomizer height 8mm, 400 mL/min of carrier gas flux, shield gas flow amount 900mL/
Min, 1500 μ L of sample size, the concentration for drawing arsenic are 145.2 μ g/L, beyond the arsenic standard curve range of linearity, weight after 2 times of dilution
New measure, the concentration for drawing arsenic are 73.8 μ g/L, and the content of arsenic is 12.3mg/kg in pedotheque；Similarly, 10mL soil is taken
Sample solution, set instrument parameter as：Lamp current 20mA, negative high voltage 300V, atomizer height 8mm, carrier gas flux 400
ML/min, shield gas flow amount 900mL/min, 1500 μ L of sample size, the concentration for drawing mercury are 0.192 μ g/L, Mercury in Soil Sample
Content be 0.016mg/kg.
Claims (2)
1. a kind of heating board digestion of arsenic and mercury-atom fluorimetry method in soil, it is characterised in that comprise the following steps：
（1）Solution is prepared
The preparation of arsenic standard serial solution：Pipette 2.00 respectively, 4.00,6.00,8.00,10.00mL concentration be 1.00 mg/L's
Arsenic standard solution in 100 mL volumetric flasks, be separately added into 2.5mL hydrochloric acid, 10.0mL mass volume fraction be 10% thiocarbamide-
Ascorbic acid solution, graticule is settled to deionized water, is mixed, and room temperature places 30min, be configured to concentration for 20.00,40.00,
60.00th, the mercury standard serial solution of 80.00,100.00 μ g/L, while make standard space management；
The preparation of mercury standard serial solution：Pipette 0.20 respectively, 0.40,0.60,0.80, the mercury that 1.00mL concentration is 100 μ g/L
Standard solution is separately added into 2.5mL hydrochloric acid in 100 mL volumetric flasks, and graticule is settled to deionized water, mixes, and prepares
It is the mercury standard serial solution of 0.20,0.40,0.60,0.80,1.00 μ g/L into concentration, while makees standard space management；
（2）The heating board digestion of pedotheque
0.2-0.6g pedotheques accurately are weighed, are placed in polytetrafluoroethylene (PTFE) crucible, 8-10mL hydrochloric acid is added after being moistened with water, in
Low-temperature heat on electric hot plate in fume hood, during 2.5-3.5mL to be evaporated to surplus, removes cooling, then sequentially adds 5mL nitre
Acid, 5mL hydrofluoric acid and 3mL perchloric acid, heat 1-1.5h in 180 DEG C on electric hot plate after capping, uncap, and continue heating and remove silicon；
It is capped when being heated to emitting dense white cigarette, after the black organic matter on sidewall of crucible disappears, uncaps and drive perchloric acid white cigarette and steam
To content in thick；3mL nitric acid, 3mL hydrofluoric acid and 1mL perchloric acid are added, above-mentioned digestion process is repeated, when in crucible
It is tolerant again in it is thick when, remove cooling, with water flushing crucible cover and inner wall, and add 1mL salpeter solution dissolved residues；Most
Solution is transferred in 50mL volumetric flasks afterwards, adds 2.5mL hydrochloric acid and 5.0mL mass volume fraction as 10% thiocarbamide-Vitamin C
Sour mixed solution, is settled to graticule after cooling, shakes up, to be measured, while does sample blank processing；
（3）Sample measures
Measure arsenic condition be：Lamp current 60mA, negative high voltage 280V, atomizer height 8mm, 400 mL/ of carrier gas flux
Min, shield gas flow amount 900mL/min；Measurement method is calibration curve method, and reading manner is peak height；
Measure mercury condition be：Lamp current 20mA；Negative high voltage 300V；Atomizer height 8mm；400 mL/ of carrier gas flux
min；Shield gas flow amount 900mL/min；Measurement method is calibration curve method, and reading manner is peak height；
The standard serial solution of arsenic or mercury and sample to be tested are added in the autosampler of atomic fluorescence detector respectively, set instrument
Device analysis condition, automatic result of calculation after the completion of measure；The range of linearity of curve if tested concentration of element is above standard, after dilution
Redeterminated by preceding method.
2. the heating board digestion of arsenic and mercury-atom fluorimetry method, its feature in a kind of soil according to claim 1
It is：The arsenic standard solution and mercury standard solution respectively by concentration be 1000 μ g/mL arsenic standard reserving solution and mercury mark
Quasi- storing solution dilutes to obtain step by step.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596603A (en) * | 2018-12-24 | 2019-04-09 | 河南省核工业放射性核素检测中心 | Trace arsenic and Determination of multiple metal elements method for measuring simultaneously in a kind of soil |
| CN109781684A (en) * | 2019-01-23 | 2019-05-21 | 广东省测试分析研究所（中国广州分析测试中心） | A kind of detection method of Mercury in Marine Sediment and arsenic |
| CN110057791A (en) * | 2019-02-25 | 2019-07-26 | 滕亚君 | The measuring method of arsenic, mercury, bismuth, lead, cadmium content in a kind of eucalyptus oil |
| CN110726605A (en) * | 2019-09-30 | 2020-01-24 | 温州科技职业学院 | Determination method for simultaneously detecting arsenic and mercury in soil by using double-channel atomic fluorescence spectrophotometer |
| CN111665228A (en) * | 2020-06-09 | 2020-09-15 | 张振江 | Electric heating plate digestion-centrifugation-atomic fluorescence determination method for total arsenic in soil |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634617A (en) * | 2009-08-18 | 2010-01-27 | 广东省生态环境与土壤研究所 | Digestion method of soil metal elements |
| CN102721676A (en) * | 2012-06-18 | 2012-10-10 | 苏州国环环境检测有限公司 | Method for stably measuring arsenic and mercury in water by atomic fluorescence spectrometry |
| CN106124473A (en) * | 2016-08-22 | 2016-11-16 | 中国铝业股份有限公司 | The assay method of Soluble Arsenic in a kind of red mud |
-
2017
- 2017-12-21 CN CN201711397421.2A patent/CN107957412A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634617A (en) * | 2009-08-18 | 2010-01-27 | 广东省生态环境与土壤研究所 | Digestion method of soil metal elements |
| CN102721676A (en) * | 2012-06-18 | 2012-10-10 | 苏州国环环境检测有限公司 | Method for stably measuring arsenic and mercury in water by atomic fluorescence spectrometry |
| CN106124473A (en) * | 2016-08-22 | 2016-11-16 | 中国铝业股份有限公司 | The assay method of Soluble Arsenic in a kind of red mud |
Non-Patent Citations (1)
| Title |
|---|
| 中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会: "《GB/T 22105.2-2008 土壤质量 总汞、总砷、总铅的测定 原子荧光法》", 1 October 2008 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596603A (en) * | 2018-12-24 | 2019-04-09 | 河南省核工业放射性核素检测中心 | Trace arsenic and Determination of multiple metal elements method for measuring simultaneously in a kind of soil |
| CN109596603B (en) * | 2018-12-24 | 2021-04-02 | 河南省核工业放射性核素检测中心 | Method for simultaneously measuring trace arsenic and multiple metal elements in soil |
| CN109781684A (en) * | 2019-01-23 | 2019-05-21 | 广东省测试分析研究所（中国广州分析测试中心） | A kind of detection method of Mercury in Marine Sediment and arsenic |
| CN110057791A (en) * | 2019-02-25 | 2019-07-26 | 滕亚君 | The measuring method of arsenic, mercury, bismuth, lead, cadmium content in a kind of eucalyptus oil |
| CN110726605A (en) * | 2019-09-30 | 2020-01-24 | 温州科技职业学院 | Determination method for simultaneously detecting arsenic and mercury in soil by using double-channel atomic fluorescence spectrophotometer |
| CN111665228A (en) * | 2020-06-09 | 2020-09-15 | 张振江 | Electric heating plate digestion-centrifugation-atomic fluorescence determination method for total arsenic in soil |
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