GB/T 8151.20-2012Methods for chemical analysis of zinc concentrates - Part 20: Determination of copper,lead,iron,arsenic,cadmium antimony, calcium,magnesium contents - Inductively coupled plasma atomic emission spectrometry (English PDF)
锌精矿化学分析方法 第20部分：铜、铅、铁、砷、镉、锑、钙、镁量的测定 电感耦合等离子体原子发射光谱法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 31, 2012
Implementation date
October 1, 2013
Scope
GB/T 8151.20-2012 is the English-translated version of 锌精矿化学分析方法 第20部分：铜、铅、铁、砷、镉、锑、钙、镁量的测定 电感耦合等离子体原子发射光谱法.
GB/T 8151.20-2012 is the Chinese standard "Methods for chemical analysis of zinc concentrates - Part 20: Determination of copper,lead,iron,arsenic,cadmium antimony, calcium,magnesium contents - Inductively coupled plasma atomic emission spectrometry".
Its scope clause reads: This part of GB/T 8151 specifies the determination of copper, lead, iron, arsenic, cadmium, antimony, calcium and magnesium in zinc concentrates.
This part is applicable to the determination of copper, lead, iron, arsenic, cadmium, antimony, calcium and magnesium in zinc concentrate. The range of each element is shown in Table 1.
Table 1 Determination of each element Determination of elemental mass fraction /% Calcium 0.10 ~ 5.00 Magnesium 0.10 ~ 5.00 Cadmium 0.050 ~ 2.00 Arsenic 0.10 ~ 5.00 Antimony 0.030 ~ 0.50 Copper 0.10 ~ 5.00 Lead 0.10 ~ 5.00 Iron 1.00 ~ 10.00. Its clauses include method summary; reagent.
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Document preview — GB/T 8151.20-2012
National Standard of the People's Republic of China
- ICS
- 77.120.60
- Classification
- H 13
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 method summary
- 3 reagent
- 3.7 Calcium Standard Storage Solution
1 Scope
This part of GB/T 8151 specifies the determination of copper, lead, iron, arsenic, cadmium, antimony, calcium and magnesium in zinc concentrates.
This part is applicable to the determination of copper, lead, iron, arsenic, cadmium, antimony, calcium and magnesium in zinc concentrate. The range of each element is shown in Table 1.
Table 1 Determination of each element
Determination of elemental mass fraction /%
Calcium 0.10 ~ 5.00
Magnesium 0.10 ~ 5.00
Cadmium 0.050 ~ 2.00
Arsenic 0.10 ~ 5.00
Antimony 0.030 ~ 0.50
Copper 0.10 ~ 5.00
Lead 0.10 ~ 5.00
Iron 1.00 ~ 10.00
2 method summary
The samples were decomposed with nitric acid, hydrochloric acid, hydrofluoric acid and perchloric acid. In 5% hydrochloric acid medium, the samples were characterized by inductively coupled plasma atomic emission spectroscopy
Method, at the selected wavelength of each element to determine the emission intensity, according to the standard working curve method to calculate the quality of the elements of the fraction.
3 reagent
Unless otherwise stated, only the reagents identified as excellent grade pure and distilled water or deionized water or comparable purity are used in the analysis.
3.1
Hydrochloric acid (rho1.19g/mL).
3.2
nitric acid (rho1.42g/mL).
3.3
hydrofluoric acid (rho1.15g/mL).
3.4
perchloric acid (rho1.67g/mL).
3.5
Hydrochloric acid (1 1).
3.6
nitric acid (1 1).
3.7 Calcium Standard Storage Solution
2.4971g of calcium carbonate (wCaCO3>=99.99%) previously dried at 120 ° C was placed in 400 mL of
Cup, add 20 mL of water, then add hydrochloric acid (3.5) to complete dissolution, then add 10mL hydrochloric acid (3.1), boil to remove carbon dioxide, take […]
......
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 8151.1-2012 — Methods for chemical analysis of zinc concentrates -- Part 1: Determination of zinc content -- Precipitate separation-Na2EDTA titrimetric method and extractive separation -- Na2EDTA titrimetric method
GB/T 8151.10-2012 — Methods for chemical analysis of zinc concentrates - Part 10: Determination of tin content - Hydride generation-atomic fluorescence spectrometry
GB/T 8151.11-2012 — Methods for chemical analysis of zinc concentrates - Part 11: Determination of antimony content - Hydride generation-atomic fluorescence spectrometry
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