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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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