GB/T 42439-2023Methods for chemical phase analysis of antimony ore - Determination of antimony content in valentitnite, stibnite and antimonate (English PDF)
锑矿石化学物相分析方法 锑华、辉锑矿和锑酸盐中锑含量的测定
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 23, 2023
Implementation date
September 1, 2023
Scope
GB/T 42439-2023 is the English-translated version of 锑矿石化学物相分析方法 锑华、辉锑矿和锑酸盐中锑含量的测定.
GB/T 42439-2023 is the Chinese standard "Methods for chemical phase analysis of antimony ore - Determination of antimony content in valentitnite, stibnite and antimonate".
Its scope clause reads: This document describes the selective dissolution and separation of chemical reagents - inductively coupled plasma optical emission spectrometry (ICP-OES) or atomic absorption spectrometry Spectroscopic method (AAS) and titration method (VOL) were used to determine the antimony content in antimonite (including stibnite), antimonite and antimonate in antimony ore, respectively: This document is applicable to the determination of antimony content in antimonite, stibnite and antimonate in primary ore and oxide ore in monoantimony sulfide ore type: Note 1: Monoantimony sulfide ore is a kind of antimony ore with high antimony grade, mainly stibnite, which is easy to mine, select and smelt: Note 2: Primary ore is the natural type of antimony ore, and the oxidation rate of antimony in the ore is less than 30%: Note 3: Oxide ore is a natural type of antimony ore, and the oxidation rate of antimony in the ore is greater than 50%: The detection limits and measurement ranges of antimony ore chemical phase analysis methods are shown in Table 1: Table 1 Detection limits and measurement ranges of antimony ore chemical phase analysis methods antimony mineral phase ICP-OES AAS VOL Detection Limit Upper Assay a Detection Limit Upper Assay b Detection Limit Lower Assay Antimony in antimony 0:022 8 0:049 20 - - Antimony in stibnite 0:029 20 0:052 50 0:15 0:45 Antimony in antimonate 0:053 4 0:088 10 0:15 0:45 The upper limit of the antimony content in the chemical phase of the antimony ore determined by aICP-OES is the highest mass concentration rho(Sb)=16µg/mL, the minimum 0:2g sample weight, sample solution 100mL, 250mL and 50mL diluted 10 times calculation: b The upper limit of the antimony content of antimony ore chemical phase determined by AAS is according to the calibration working curve linear range, the highest mass concentration rho(Sb)=40µg/mL, the minimum is 0:2g The sample volume is calculated by diluting 10 times of the sample solution 100mL, 250mL and 50mL:.
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Document preview — GB/T 42439-2023
National Standard of the People's Republic of China
- ICS
- 73.060
- Classification
- D 40
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Principle
- 5 Reagent or material
- 6 Instruments and equipment
- 7 sample
- 8 Test Step
- 9 Experimental data processing
- 10 Precision
- 11 Quality Assurance and Control
- Appendix A (Informative) Instrument Reference Working Conditions and Description of Interference
- Appendix B (informative) Statistical data obtained from interlaboratory test results
1 Scope
This document describes the selective dissolution and separation of chemical reagents - inductively coupled plasma optical emission spectrometry (ICP-OES) or atomic absorption spectrometry
Spectroscopic method (AAS) and titration method (VOL) were used to determine the antimony content in antimonite (including stibnite), antimonite and antimonate in antimony ore, respectively:
This document is applicable to the determination of antimony content in antimonite, stibnite and antimonate in primary ore and oxide ore in monoantimony sulfide ore type:
Note 1: Monoantimony sulfide ore is a kind of antimony ore with high antimony grade, mainly stibnite, which is easy to mine, select and smelt:
Note 2: Primary ore is the natural type of antimony ore, and the oxidation rate of antimony in the ore is less than 30%:
Note 3: Oxide ore is a natural type of antimony ore, and the oxidation rate of antimony in the ore is greater than 50%:
The detection limits and measurement ranges of antimony ore chemical phase analysis methods are shown in Table 1:
Table 1 Detection limits and measurement ranges of antimony ore chemical phase analysis methods antimony mineral phase
ICP-OES AAS VOL Detection Limit Upper Assay a Detection Limit Upper Assay b Detection Limit Lower Assay
Antimony in antimony 0:022 8 0:049 20 - -
Antimony in stibnite 0:029 20 0:052 50 0:15 0:45
Antimony in antimonate 0:053 4 0:088 10 0:15 0:45
The upper limit of the antimony content in the chemical phase of the antimony ore determined by aICP-OES is the highest mass concentration rho(Sb)=16µg/mL, the minimum
0:2g sample weight, sample solution 100mL, 250mL and 50mL diluted 10 times calculation:
b The upper limit of the antimony content of antimony ore chemical phase determined by AAS is according to the calibration working curve linear range, the highest mass concentration rho(Sb)=40µg/mL, the minimum is 0:2g
The sample volume is calculated by diluting 10 times of the sample solution 100mL, 250mL and 50mL:
2 Normative references
The content in the following documents constitutes the essential provisions of this document through normative references in the text, among which, the dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document:
GB/T 6682 Analytical laboratory water specifications and test methods
GB/T 15925 Antimony ore chemical analysis methods Determination of antimony content
GB/T 36244 Inductively Coupled Plasma Atomic Emission Spectrometer […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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Related Standards
GB/T 15925-2010 — Method for chemical analysis of antimony ores - Determination of antimony content
GB/T 36244-2018 — Inductively coupled plasma atomic emission spectrometer
GB/T 6682-2008 — Water for analytical laboratory use - Specification and test methods
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