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DZ/T 0253.1-2014: Analytic methods for biologic samples in eco-geochemistry assessment. Part 1: Determination of the content of 19 elements including lithium, boron, vanadium, etc. Inductively coupled plasma mass spectrometry
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Analytic methods for biologic samples in eco-geochemistry assessment. Part 1: Determination of the content of 19 elements including lithium, boron, vanadium, etc. Inductively coupled plasma mass spectrometry
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DZ/T 0253.1-2014
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Basic data | Standard ID | DZ/T 0253.1-2014 (DZ/T0253.1-2014) | | Description (Translated English) | Analytic methods for biologic samples in eco-geochemistry assessment. Part 1: Determination of the content of 19 elements including lithium, boron, vanadium, etc. Inductively coupled plasma mass spectrometry | | Sector / Industry | Geological Industry Standard (Recommended) | | Classification of Chinese Standard | Z39 | | Classification of International Standard | 67.050 | | Word Count Estimation | 26,280 | | Date of Issue | 4/15/2014 | | Date of Implementation | 6/1/2014 | | Quoted Standard | GB/T 6379.2; GB/T 6379.4 | | Regulation (derived from) | MLR 2014 Announcement No. 5 | | Issuing agency(ies) | Ministry of Land and Resources | | Summary | This Standard specifies the ecology of plants and animals in the sample geochemical assessment Keng, boron, vanadium, chromium, manganese, cobalt, nickel, copper, zinc, arsenic, rubidium, strontium, molybdenum, cadmium, cesium, barium, thallium, lead, tho | DZ/T 0253.1-2014: Analytic methods for biologic samples in eco-geochemistry assessment. Part 1: Determination of the content of 19 elements including lithium, boron, vanadium, etc. Inductively coupled plasma mass spectrometry
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Analytic methods for biologic samples in eco-geochemistry assessment.Part 1. Determination of the content of 19 elements including lithium, boron, vanadium, etc. Inductively coupled plasma mass spectrometry
ICS 67.050
Z39
People's Republic of China geological mineral industry standard
Ecological geochemical evaluation method for animal and plant samples
Part 1. Determination of 19 elements such as lithium, boron and vanadium
Inductively coupled plasma mass spectrometry (ICP-MS)
Part 1.Determinationofthecontentof19elementsincludinglithium,boron,
Released on.2014-04-15
2014-06-01 implementation
Ministry of Land and Resources of the People's Republic of China
Content
Foreword III
Introduction IV
1 Scope 1
2 Normative references 1
3 Principle 1
4 reagents and solutions 1
5 Instruments and equipment 3
6 sample 3
7 Analysis step 3
8 result calculation 4
9 precision 4
10 correctness 5
11 Quality Assurance and Control 5
Appendix A (normative appendix) Elemental analysis of isotopes and method detection limits 6
Appendix B (informative appendix) Sample collection and preparation 7
Appendix C (informative) Preparation of single element standard stock solution 10
Appendix D (informative) Instrument reference working conditions 14
Appendix E (informative) Method accuracy 15
Foreword
DZ/T 0253-2014 "Ecological Geochemical Evaluation of Animal and Plant Sample Analysis Methods" is divided into four parts.
--- Part 1. Determination of the amount of 19 elements of lithium, boron, bismuth, etc. by inductively coupled plasma mass spectrometry (ICP-MS);
--- Part 2. Determination of selenium content by atomic fluorescence spectrometry;
---Part 3. Determination of total mercury - Cold atomic fluorescence spectrometry;
--- Part 4. Determination of the amount of fluorine - Spectrophotometric method.
This part is the first part of DZ/T 0253.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part is proposed by the Ministry of Land and Resources of the People's Republic of China.
This part is under the jurisdiction of the National Land Resources Standardization Technical Committee.
This section drafted by. National Geological Experimental Testing Center.
Drafters of this section. Sun Dezhong, Zhao Huaiying, Ma Shengfeng, Wang Suming, Xu Chunxue, An Ziyi.
Introduction
The analysis of eco-geochemical survey and evaluation samples is carried out with the gradual development and deepening of multi-target geochemical survey work.
An analytical work aimed at the assessment of the results of multi-target geochemistry or other regional geochemical surveys.
The system includes river ecosystems, farmland ecosystems, urban ecosystems, shallow sea ecosystems, and grassland ecosystems for evaluation.
In the evaluation stage of the eco-geochemical survey, based on the results of the soil circle survey, further recourse to elements in the lithosphere, soil circle, hydrosphere
Selecting typical and representative regions for migration and transformation in the biosphere, and selecting multi-media sampling and selectivity indicators
Component analysis and activity state analysis, biology (including animals and plants) is one of the main work objects of this stage of analysis and testing.
The elements that make up the organism come from the geological environment, and the organism exchanges substances with the environment continuously. This exchange involves solid phase (lithosphere) and liquid.
The phase (hydrosphere) and the gas phase (atmosphere) eventually tend to be a dynamic equilibrium. Geochemical elements from the surface of the earth's crust, weathered by the parent rock
It is released into the soil and then activated into an effective state to be absorbed by the plant. The elements that enter the plant will inevitably affect its growth and development.
Sound, thus affecting the yield and quality of the plant, and then entering the animal and the human body through the food chain, and also the growth and health of the animal and the human body.
Important impact on life. Therefore, ecological geochemical evaluation will ultimately use biological sample analysis to illustrate the problem.
Ecological geochemical evaluation method for animal and plant samples
Part 1. Determination of 19 elements such as lithium, boron and vanadium
Inductively coupled plasma mass spectrometry (ICP-MS)
Cautions - Personnel using this section should have hands-on experience in formal laboratory work. This section does not point out all possible security questions.
question. It is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions set by the relevant national regulations.
1 Scope
This part of DZ/T 0253 specifies the ecological geochemical evaluation of lithium, boron, vanadium, chromium, manganese, cobalt, nickel, copper, zinc, arsenic in animal and plant samples.
Inductively coupled plasma mass spectrometry (ICP-MS) for the determination of ruthenium, osmium, molybdenum, cadmium, ruthenium, osmium, iridium, lead and ruthenium.
This section applies to eco-geochemical evaluation of lithium, boron, vanadium, chromium, manganese, cobalt, nickel, copper, zinc, arsenic, antimony, bismuth, molybdenum, cadmium,
Determination of ruthenium, osmium, iridium, lead and ruthenium by ICP-MS inductively coupled plasma mass spectrometry (ICP-MS).
The method detection limits and measurement range are shown in Appendix A.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 6379.2 Accuracy of measurement methods and results (accuracy and precision) Part 2. Determination of standard method of measurement
Basic method of sex and reproducibility
GB/T 6379.4 Accuracy of measurement methods and results (accuracy and precision) Part 4. Determining the standard measurement method correctly
Basic method of degree
3 Principle
The sample is digested with nitric acid and hydrogen peroxide in a special microwave digestion apparatus at high temperature and high pressure to form a sample solution, and the digested solution is atomized.
Gas (argon) is introduced into the ICP torch flame. After evaporation, dissociation, atomization and ionization, most of it is converted into positively charged ions.
The ion acquisition system enters the mass spectrometer and the mass spectrometer separates according to the mass to charge ratio. For a certain mass-to-charge ratio, the signal intensity and quality of the mass spectrum
The number of ions in the spectrometer is proportional, that is, the concentration of the analyte in the sample is proportional to the intensity of the mass spectrometry signal. Determined by measuring the signal intensity of the mass spectrum
The elemental concentration of the sample solution.
4 reagents and solutions
4.1 Water and distilled water are purified by ion exchange purification system. The content of the elements to be tested in the water before use shall be lower than the method detection limit.
4.2 Nitric acid (ρ=1.41g/mL), excellent grade pure or high purity, purified by double-bottle sub-boiling distillation.
4.3 Nitric acid (1 1).
4.4 Hydrogen peroxide [w (H2O2) = 30%], excellent grade pure or high purity.
4.5 Single element standard stock solution. See Appendix C for specific preparation.
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