GB/T 39486-2020Chemical reagent—General rules for inductively coupled plasma mass spectrometry (English PDF)
化学试剂 电感耦合等离子体质谱分析方法通则
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 19, 2020
Implementation date
October 1, 2021
Scope
GB/T 39486-2020 is the English-translated version of 化学试剂 电感耦合等离子体质谱分析方法通则.
GB/T 39486-2020 is the Chinese standard "Chemical reagent—General rules for inductively coupled plasma mass spectrometry". Its scope clause reads: This standard specifies the instrument requirements and measurement methods for inductively coupled plasma mass spectrometry for chemical reagents.
This standard applies to the qualitative and quantitative analysis of trace and trace elements in chemical reagent products and the determination of isotope ratios. Its clauses include terms and definitions.
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Document preview — GB/T 39486-2020
National Standard of the People's Republic of China
- ICS
- 71.040.30
- Classification
- G 60
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 3.1 Inductively coupled plasma mass spectrometry
- 3.2 Central tube
- 3.3 Auxiliary gas
1 Scope
This standard specifies the instrument requirements and measurement methods for inductively coupled plasma mass spectrometry for chemical reagents.
This standard applies to the qualitative and quantitative analysis of trace and trace elements in chemical reagent products and the determination of isotope ratios.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document.
For undated references, the latest version (including all amendments) applies to this document.
GB/T 602 Preparation of standard solutions for impurity determination of chemical reagents
GB/T 6041 General Rules of Mass Spectrometry Analysis Method
GB/T 8170 Numerical rounding rules and the expression and determination of limit values
GB/T 13966 Terminology for analytical instruments
GB/T 14666 Terms of Analytical Chemistry
GB/T 23942 General rules of chemical reagents inductively coupled plasma atomic emission spectrometry
GB/T 33087 Specifications and test methods of high-purity water for instrumental analysis
JJF1159 Quadrupole Inductively Coupled Plasma Mass Spectrometer Calibration Specification
JJF1267 Isotope Dilution Mass Spectrometry Reference Method
3 Terms and definitions
GB/T 6041, GB/T 13966, GB/T 14666, GB/T 23942, JJF1159, JJF1267 and the following terms and
The definition applies to this document.
3.1 Inductively coupled plasma mass spectrometry
After the element to be measured in the substance is ionized by inductively coupled plasma, the ions pass through the mass separator and are determined according to the mass-to-charge ratio (mass-to-charge ratio).
A mass spectrometry analysis method based on the nature and quantification of the number of ions.
3.2 Central tube
The aerosol formed by the atomizer is introduced into the channel in the center of the plasma, which is located in the innermost layer of the three-layer structure of the torch.
Note. Also called injection tube or sample injection tube.
3.3 Auxiliary gas
Argon flow between the middle tube and the center tube of the torch.
Note. The role is to support the plasma formed at the torch mouth and control the plasma flame position, and protect the center tube.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.
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