CN106404703A - Method for detecting mercury ions in soil - Google Patents
Method for detecting mercury ions in soil Download PDFInfo
- Publication number
- CN106404703A CN106404703A CN201610966755.6A CN201610966755A CN106404703A CN 106404703 A CN106404703 A CN 106404703A CN 201610966755 A CN201610966755 A CN 201610966755A CN 106404703 A CN106404703 A CN 106404703A
- Authority
- CN
- China
- Prior art keywords
- temperature
- soil
- solution
- mercury
- detection method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002689 soil Substances 0.000 title claims abstract description 50
- 229910052753 mercury Inorganic materials 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title abstract description 7
- -1 mercury ions Chemical class 0.000 title abstract 3
- 239000000243 solution Substances 0.000 claims abstract description 45
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims abstract description 39
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000029087 digestion Effects 0.000 claims abstract description 15
- 239000012086 standard solution Substances 0.000 claims abstract description 14
- 238000010521 absorption reaction Methods 0.000 claims abstract description 13
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 8
- 239000012488 sample solution Substances 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 29
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000005119 centrifugation Methods 0.000 claims description 16
- 150000002500 ions Chemical class 0.000 claims description 15
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 6
- 238000004380 ashing Methods 0.000 claims description 6
- 238000000889 atomisation Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000007654 immersion Methods 0.000 claims description 6
- 229950000845 politef Drugs 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000007634 remodeling Methods 0.000 claims description 6
- 210000003786 sclera Anatomy 0.000 claims description 6
- 239000006228 supernatant Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- 238000007811 spectroscopic assay Methods 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 239000012085 test solution Substances 0.000 abstract 2
- 238000000862 absorption spectrum Methods 0.000 abstract 1
- 238000004090 dissolution Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 238000002791 soaking Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 229910001385 heavy metal Inorganic materials 0.000 description 5
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 208000007204 Brain death Diseases 0.000 description 1
- 208000008763 Mercury poisoning Diseases 0.000 description 1
- 208000030527 Minamata disease Diseases 0.000 description 1
- 208000009507 Nervous System Mercury Poisoning Diseases 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 231100000693 bioaccumulation Toxicity 0.000 description 1
- 208000029028 brain injury Diseases 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- BQPIGGFYSBELGY-UHFFFAOYSA-N mercury(2+) Chemical compound [Hg+2] BQPIGGFYSBELGY-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- 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
- G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a method for detecting mercury ions in soil. The method comprises the following steps: grinding soil to be detected, and soaking the soil to be detected with a sulfuric acid solution, a hypochlorous acid solution and an acetic acid solution; then carrying out high-temperature digestion, centrifuging, washing residues by using the hypochlorous acid solution, centrifuging, and merging supernate to obtain a test solution; and measuring the concentration in the test solution. The method is an atomic absorption spectrographic method, standard substances of mercury is respectively prepared into standard solutions, the standard solutions and a measured sample solution are subjected to atomic absorption spectrum measurement, and the content of the mercury in the soil to be detected is calculated according to numerical values. When the soil is subjected to acidolysis, sulfuric acid, hypochlorous acid and acetic acid are added, and dissolution of the mercury ions is promoted effectively. The method is high in accuracy and high in sensitivity, has high detecting efficiency, and has the advantages of good recycling rate, high treatment speed, simplicity and convenience in operation and the like.
Description
Technical field
The present invention relates to technical field of analysis and detection, specifically a kind of detection method of mercury in soils ion.
Background technology
Expansion with city and the development of large-scale industry, heavy metal pollution mouth present in air, soil, water environment
Benefit increases.Heavy metal pollution is one of subject matter of water pollution, mining, metal smelt, chemical production wastewater, administration agriculture
The artificial pollution such as medicine chemical fertilizer and house refuse, and the natural factor such as geologic erosion, air slaking all can lead to heavy metal with various shapes
Formula enters soil.Because heavy metal has that toxicity is big, is difficult in the environment to be metabolized, be easily bioaccumulation and have biomagnification to imitate
The features such as answer is so that the heavy metal pollution of soil seriously threatens human health.Particularly hydrargyrum can accumulate in vivo, holds very much
Easily absorbed by skin and respiratory tract and digestive tract.Minamata disease is one kind of mercurialism.Hydrargyrum destruction central nervous system, boil on the nape opposite the mouth,
Mucosa and tooth have harmful effect.It is exposed to for a long time in high hydrargyrum environment and can lead to brain injury and death.Therefore, mercury in soils
Ion concentration be monitored and controlled oneself become be related to environmental conservation, sustainable development and Living consumption improve important asking
Topic.
Content of the invention
It is an object of the invention to provide a kind of accuracy is high, sensitivity is high, the response rate is good, processing speed is fast, operation is simple
The detection method of mercury in soils ion just, to solve the problems, such as to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme：
A kind of detection method of mercury in soils ion, comprises the following steps：
（1）Soil to be measured is ground to the powder of 150-300 mesh, by the soil to be measured sulfuric acid solution of 15wt%-50wt%,
The hypochlorite solution of 3wt%-40wt%, the acetum of 10wt%-40wt%, soak 8-15h；
（2）By step（1）Soil to be measured after immersion and acid solution are poured in politef counteracting tank, carry out High-temperature Digestion, first
Temperature is risen a height of 150-180 DEG C, High-temperature Digestion 0.8-2h, rise high-temperature to 220-250 DEG C, then High-temperature Digestion 2.5-4h；From
The heart, residue is washed with hypochlorite solution, centrifugation, merges supernatant, prepared need testing solution；
（3）Measure the concentration of hydrargyrum in need testing solution, detection method is atomic absorption spectrography (AAS), and the concrete data of detection method is such as
Under：
Sclera remodeling wavelength is 323nm, and lamp current is 4-6mA；Slit is 0.4-0.6mm；Heating schedule：Rise high-temperature first extremely dry
Dry temperature is 100-120 DEG C, and 1-3min is dried；According still further to 25-33 DEG C/min heating rate rise high-temperature to ashing temperature be
720-800 DEG C, the constant 8-12min of keeping temperature；Heating rate according still further to 18-25 DEG C/min rises high-temperature to atomization temperature
For 1350-1450 DEG C, the constant 1-3min of keeping temperature, then rise high-temperature and keep 20s to after 1800 DEG C, cooling；
（4）Respectively the standard substance of hydrargyrum are formulated as standard solution, standard solution and determination sample solution are all carried out Atomic Absorption
Spectroscopic assay, and the content according to the hydrargyrum in numerical computations soil to be measured.
As the further scheme of the present invention：Step（1）In, the mass fraction of sulfuric acid solution is 25wt%-40wt%.
As the further scheme of the present invention：Step（1）In, the mass fraction of hypochlorite solution is 5wt%-30wt%.
As the further scheme of the present invention：Step（1）In, the mass fraction of acetum is 20wt%-30wt%.
As the further scheme of the present invention：Step（1）In, soak 10-14h.
As the further scheme of the present invention：Step（2）In, centrifugal speed is 3000-8000r/min, and centrifugation time is
5-30min.
Compared with prior art, the invention has the beneficial effects as follows：
The present invention when acidolysis is carried out to soil, add sulphuric acid, hypochlorous acid, acetic acid, be effectively promoted the molten of mercury ion
Go out, detection method accuracy is high, sensitivity is high, has higher detection efficiency, have that the response rate is good, processing speed
Hurry up, easy and simple to handle the advantages of.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of detection method of mercury in soils ion, comprise the following steps：
（1）Soil to be measured is ground to the powder of 150 mesh, will be molten for the hypochlorous acid of the soil to be measured sulfuric acid solution of 15wt%, 3wt%
Liquid, the acetum of 10wt%, soak 8h.
（2）By step（1）Soil to be measured after immersion and acid solution are poured in politef counteracting tank, carry out high temperature and disappear
Temperature is first risen a height of 150 DEG C by solution, High-temperature Digestion 0.8h, rises high-temperature to 220 DEG C, then High-temperature Digestion 2.5h；Centrifugation, residue
Washed with hypochlorite solution, centrifugation, merge supernatant, prepared need testing solution.Centrifugal speed is 3000r/min, centrifugation time
For 5min.
（3）Measure the concentration of hydrargyrum in need testing solution, detection method is atomic absorption spectrography (AAS), the concrete data of detection method
As follows：
Sclera remodeling wavelength is 323nm, and lamp current is 4mA；Slit is 0.4mm；Heating schedule：Rise high-temperature first to baking temperature
For 100 DEG C, 1min is dried；Heating rate liter high-temperature according still further to 25 DEG C/min is 720 DEG C to ashing temperature, and keeping temperature is not
Become 8min；Heating rate liter high-temperature according still further to 18 DEG C/min is 1350 DEG C to atomization temperature, the constant 1min of keeping temperature,
Rise high-temperature again and keep 20s to after 1800 DEG C, cooling.
（4）Respectively the standard substance of hydrargyrum are formulated as standard solution, standard solution and determination sample solution are all carried out atom
Absorption spectromtry, and the content according to the hydrargyrum in numerical computations soil to be measured.
Embodiment 2
In the embodiment of the present invention, a kind of detection method of mercury in soils ion, comprise the following steps：
（1）Soil to be measured is ground to the powder of 300 mesh, by the hypochlorous acid of the sulfuric acid solution with 50wt% for the soil to be measured, 40wt%
Solution, the acetum of 40wt%, soak 15h.
（2）By step（1）Soil to be measured after immersion and acid solution are poured in politef counteracting tank, carry out high temperature and disappear
Temperature is first risen a height of 180 DEG C by solution, High-temperature Digestion 2h, rises high-temperature to 250 DEG C, then High-temperature Digestion 4h；Centrifugation, residue is used secondary
Solution chlorate washs, centrifugation, merges supernatant, prepared need testing solution.Centrifugal speed is 8000r/min, and centrifugation time is
30min.
（3）Measure the concentration of hydrargyrum in need testing solution, detection method is atomic absorption spectrography (AAS), the concrete data of detection method
As follows：
Sclera remodeling wavelength is 323nm, and lamp current is 6mA；Slit is 0.6mm；Heating schedule：Rise high-temperature first to baking temperature
For 120 DEG C, 3min is dried；Heating rate liter high-temperature according still further to 33 DEG C/min is 800 DEG C to ashing temperature, and keeping temperature is not
Become 12min；Heating rate liter high-temperature according still further to 25 DEG C/min is 1450 DEG C to atomization temperature, and keeping temperature is constant
3min, then rise high-temperature and keep 20s to after 1800 DEG C, cooling.
（4）Respectively the standard substance of hydrargyrum are formulated as standard solution, standard solution and determination sample solution are all carried out atom
Absorption spectromtry, and the content according to the hydrargyrum in numerical computations soil to be measured.
Embodiment 3
In the embodiment of the present invention, a kind of detection method of mercury in soils ion, comprise the following steps：
（1）Soil to be measured is ground to the powder of 200 mesh, will be molten for the hypochlorous acid of the soil to be measured sulfuric acid solution of 25wt%, 5wt%
Liquid, the acetum of 20wt%, soak 10h.
（2）By step（1）Soil to be measured after immersion and acid solution are poured in politef counteracting tank, carry out high temperature and disappear
Temperature is first risen a height of 160 DEG C by solution, High-temperature Digestion 1h, rises high-temperature to 230 DEG C, then High-temperature Digestion 3h；Centrifugation, residue is used secondary
Solution chlorate washs, centrifugation, merges supernatant, prepared need testing solution.Centrifugal speed is 4000r/min, and centrifugation time is
10min.
（3）Measure the concentration of hydrargyrum in need testing solution, detection method is atomic absorption spectrography (AAS), the concrete data of detection method
As follows：
Sclera remodeling wavelength is 323nm, and lamp current is 5mA；Slit is 0.5mm；Heating schedule：Rise high-temperature first to baking temperature
For 110 DEG C, 2min is dried；Heating rate liter high-temperature according still further to 28 DEG C/min is 760 DEG C to ashing temperature, and keeping temperature is not
Become 10min；Heating rate liter high-temperature according still further to 20 DEG C/min is 1400 DEG C to atomization temperature, and keeping temperature is constant
2min, then rise high-temperature and keep 20s to after 1800 DEG C, cooling.
（4）Respectively the standard substance of hydrargyrum are formulated as standard solution, standard solution and determination sample solution are all carried out atom
Absorption spectromtry, and the content according to the hydrargyrum in numerical computations soil to be measured.
Embodiment 4
In the embodiment of the present invention, a kind of detection method of mercury in soils ion, comprise the following steps：
（1）Soil to be measured is ground to the powder of 250 mesh, by the hypochlorous acid of the sulfuric acid solution with 40wt% for the soil to be measured, 30wt%
Solution, the acetum of 30wt%, soak 14h.
（2）By step（1）Soil to be measured after immersion and acid solution are poured in politef counteracting tank, carry out high temperature and disappear
Temperature is first risen a height of 170 DEG C by solution, High-temperature Digestion 1.5h, rises high-temperature to 240 DEG C, then High-temperature Digestion 3.5h；Centrifugation, residue
Washed with hypochlorite solution, centrifugation, merge supernatant, prepared need testing solution.Centrifugal speed is 6000r/min, centrifugation time
For 20min.
（3）Measure the concentration of hydrargyrum in need testing solution, detection method is atomic absorption spectrography (AAS), the concrete data of detection method
As follows：
Sclera remodeling wavelength is 323nm, and lamp current is 5mA；Slit is 0.5mm；Heating schedule：Rise high-temperature first to baking temperature
For 110 DEG C, 2min is dried；Heating rate liter high-temperature according still further to 30 DEG C/min is 780 DEG C to ashing temperature, and keeping temperature is not
Become 11min；Heating rate liter high-temperature according still further to 22 DEG C/min is 1380 DEG C to atomization temperature, and keeping temperature is constant
2min, then rise high-temperature and keep 20s to after 1800 DEG C, cooling.
（4）Respectively the standard substance of hydrargyrum are formulated as standard solution, standard solution and determination sample solution are all carried out atom
Absorption spectromtry, and the content according to the hydrargyrum in numerical computations soil to be measured.
Recording somewhere soil mercury content using said method is 0.028%, and relative standard deviation is in 2.2-4.8%.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (6)
1. a kind of detection method of mercury in soils ion is it is characterised in that comprise the following steps：
（1）Soil to be measured is ground to the powder of 150-300 mesh, by the soil to be measured sulfuric acid solution of 15wt%-50wt%,
The hypochlorite solution of 3wt%-40wt%, the acetum of 10wt%-40wt%, soak 8-15h；
（2）By step（1）Soil to be measured after immersion and acid solution are poured in politef counteracting tank, carry out High-temperature Digestion, first
Temperature is risen a height of 150-180 DEG C, High-temperature Digestion 0.8-2h, rise high-temperature to 220-250 DEG C, then High-temperature Digestion 2.5-4h；From
The heart, residue is washed with hypochlorite solution, centrifugation, merges supernatant, prepared need testing solution；
（3）Measure the concentration of hydrargyrum in need testing solution, detection method is atomic absorption spectrography (AAS), and the concrete data of detection method is such as
Under：
Sclera remodeling wavelength is 323nm, and lamp current is 4-6mA；Slit is 0.4-0.6mm；Heating schedule：Rise high-temperature first extremely dry
Dry temperature is 100-120 DEG C, and 1-3min is dried；According still further to 25-33 DEG C/min heating rate rise high-temperature to ashing temperature be
720-800 DEG C, the constant 8-12min of keeping temperature；Heating rate according still further to 18-25 DEG C/min rises high-temperature to atomization temperature
For 1350-1450 DEG C, the constant 1-3min of keeping temperature, then rise high-temperature and keep 20s to after 1800 DEG C, cooling；
（4）Respectively the standard substance of hydrargyrum are formulated as standard solution, standard solution and determination sample solution are all carried out Atomic Absorption
Spectroscopic assay, and the content according to the hydrargyrum in numerical computations soil to be measured.
2. the detection method of mercury in soils ion according to claim 1 is it is characterised in that step（1）In, sulfuric acid solution
Mass fraction be 25wt%-40wt%.
3. the detection method of mercury in soils ion according to claim 1 is it is characterised in that step（1）In, hypochlorous acid is molten
The mass fraction of liquid is 5wt%-30wt%.
4. the detection method of mercury in soils ion according to claim 1 is it is characterised in that step（1）In, acetum
Mass fraction be 20wt%-30wt%.
5. the detection method of mercury in soils ion according to claim 1 is it is characterised in that step（1）In, soak 10-
14h.
6. the detection method of mercury in soils ion according to claim 1 is it is characterised in that step（2）In, centrifugal speed
For 3000-8000r/min, centrifugation time is 5-30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610966755.6A CN106404703A (en) | 2016-10-28 | 2016-10-28 | Method for detecting mercury ions in soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610966755.6A CN106404703A (en) | 2016-10-28 | 2016-10-28 | Method for detecting mercury ions in soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106404703A true CN106404703A (en) | 2017-02-15 |
Family
ID=58015203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610966755.6A Pending CN106404703A (en) | 2016-10-28 | 2016-10-28 | Method for detecting mercury ions in soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106404703A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2810674C1 (en) * | 2023-08-22 | 2023-12-28 | Общество с ограниченной ответственностью "Научно-производственное объединение "Метрология" | Method for determining mass fraction of total mercury in soils using same standard sample for soils of different composition |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297172A (en) * | 2013-07-18 | 2015-01-21 | 上海威正测试技术有限公司 | Method for rapid detection of mercury content in soil |
| CN104406924A (en) * | 2014-11-25 | 2015-03-11 | 苏州东辰林达检测技术有限公司 | Detection method of heavy metal in chitosan |
| CN104596811A (en) * | 2013-10-31 | 2015-05-06 | 大连大公环境检测有限公司 | Mercury ion detection method |
| CN105424462A (en) * | 2015-12-10 | 2016-03-23 | 苏州国环环境检测有限公司 | Method of determining mercury in soil through water bath digestion-atomic fluorescence method |
| CN105784864A (en) * | 2016-03-10 | 2016-07-20 | 山东五洲检测有限公司 | Detection method of heavy metal in soil |
-
2016
- 2016-10-28 CN CN201610966755.6A patent/CN106404703A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297172A (en) * | 2013-07-18 | 2015-01-21 | 上海威正测试技术有限公司 | Method for rapid detection of mercury content in soil |
| CN104596811A (en) * | 2013-10-31 | 2015-05-06 | 大连大公环境检测有限公司 | Mercury ion detection method |
| CN104406924A (en) * | 2014-11-25 | 2015-03-11 | 苏州东辰林达检测技术有限公司 | Detection method of heavy metal in chitosan |
| CN105424462A (en) * | 2015-12-10 | 2016-03-23 | 苏州国环环境检测有限公司 | Method of determining mercury in soil through water bath digestion-atomic fluorescence method |
| CN105784864A (en) * | 2016-03-10 | 2016-07-20 | 山东五洲检测有限公司 | Detection method of heavy metal in soil |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2810674C1 (en) * | 2023-08-22 | 2023-12-28 | Общество с ограниченной ответственностью "Научно-производственное объединение "Метрология" | Method for determining mass fraction of total mercury in soils using same standard sample for soils of different composition |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wang et al. | Atmospheric photosensitization: A new pathway for sulfate formation | |
| Chen et al. | Camphor leaves extract as a neoteric and environment friendly inhibitor for Q235 steel in HCl medium: combining experimental and theoretical researches | |
| CN104475752B (en) | The method of modifying of graphene/bismuth composite and screen printing electrode | |
| WO2017121344A9 (en) | Method for pretreating high-concentration organic matter sample and method for measuring heavy metal content | |
| CN102621273B (en) | Method for detecting mixed acid solution in manufacturing process of polycrystalline silicon solar cell | |
| Chen et al. | Aqueous reactive oxygen species induced by He+ O 2 plasmas: Chemistry pathways and dosage control approaches | |
| CN104330327B (en) | A kind of measuring method of power plant living beings unburned combustible in fly ash | |
| CN103698314A (en) | Method for fast detection of residual sulfur dioxide in food | |
| Rolich et al. | Estimation of steel guitar strings corrosion by artificial neural network | |
| Han et al. | Determination of specific heat capacity and standard molar combustion enthalpy of taurine by DSC | |
| CN103114281B (en) | A kind of not containing the passivating solution of chromium | |
| CN104562018B (en) | A kind of smokeless minute surface chemical polishing solution | |
| CN106404703A (en) | Method for detecting mercury ions in soil | |
| Feng et al. | Bifunctional fluorescent probes for the detection of mustard gas and phosgene | |
| Wang et al. | Study on polyvinyl butyral purification process based on Box-Behnken design and artificial neural network | |
| CN104792720A (en) | Method for measuring titanium element or titanium dioxide content in diacetate cellulose tow | |
| CN105372196B (en) | A kind of detection method of Lead Content in Foodstuff | |
| Liu et al. | Determination of constant-volume combustion energy for the complexes of zinc amino acids | |
| CN203178128U (en) | Microwave digestion instrument | |
| CN105067549B (en) | A kind of pre-treatment reagent that heavy metal lead quickly detects in legume crop and method | |
| Watanabe et al. | Determination of impurity elements in graphite by acid decomposition–inductively coupled plasma atomic emission spectrometry | |
| CN104406924B (en) | The detection method of heavy metal in a kind of chitin | |
| CN101571531B (en) | Method for the detection of cyanide ion | |
| CN109211718B (en) | K in potassium dichromate production2Method for measuring O content | |
| Drago | The question of a synergistic metal-metal interaction leading to. pi.-back-bond stabilization in dirhodium tetrabutyrate adducts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |
|
| RJ01 | Rejection of invention patent application after publication |