GB/T 5059.3-2014Ferromolybdenum - Determination of copper content - The flame atomic absorption spectrometric method (English PDF)
钼铁 铜含量的测定 火焰原子吸收光谱法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
March 27, 2014
Implementation date
January 1, 2015
Scope
GB/T 5059.3-2014 is the English-translated version of 钼铁 铜含量的测定 火焰原子吸收光谱法.
GB/T 5059.3-2014 is the Chinese standard "Ferromolybdenum - Determination of copper content - The flame atomic absorption spectrometric method". Its scope clause reads: GB/T 5059 This section specifies the method of flame atomic absorption spectrometric method for the determination of copper content in ferromolybdenum.
This section applies to the determination of copper content in ferromolybdenum. Measurement range (mass fraction). 0.10% to 1.20%. Its clauses include reagents and materials.
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Document preview — GB/T 5059.3-2014
National Standard of the People's Republic of China
- ICS
- 77.100
- Classification
- H 11
- Replacing
- GB/T 5059.3-1985
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
1 Scope
GB/T 5059 This section specifies the method of flame atomic absorption spectrometric method for the determination of copper content in ferromolybdenum.
This section applies to the determination of copper content in ferromolybdenum. Measurement range (mass fraction). 0.10% to 1.20%.
2 Normative references
The following documents for the application of this document is essential, dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 4010 alloy chemical analysis and preparation of samples
Principle 3
Sample with sulfuric acid, nitric acid decomposition, sulfuric acid treatment white smoke. With hydrochloric acid to dissolve soluble salts, atomic absorption spectrometer, the wavelength
324.7nm at the air - acetylene flame, copper hollow cathode lamp as the light source, absorbance was measured by a calibration curve in a sample of copper content.
4 Reagents and materials
Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled water or its equivalent purity water.
Hydrogen peroxide 4.1, rho = 1.10g/mL.
Nitric acid 4.2, rho = 1.42g/mL.
Hydrochloric acid 4.3, rho = 1.19g/mL.
Sulfuric acid 4.4, rho = 1.84g/mL.
4.5
nitric acid, 11.
4.6
hydrochloric acid, 11.
4.7
hydrochloric acid, 150.
4.8
sulfuric acid, 11.
4.9
iron solution, 20mg/mL.
Weigh 20g benchmark iron (mass fraction of 99.99%), placed in a beaker of 500mL, 200mL added hydrochloric acid (11), low temperature
Dissolved by heating until completely dissolved, cooled to room temperature and transferred to 1L volumetric flask, dilute with water to volume, and mix. This solution 1mL iron
20mg.
4.10
copper standard solution, 0.50mg/mL.
Weigh 0.5000g copper (mass fraction of 99.99%), placed in 300mL beaker, covered table dish, add 10mL sulfuric acid […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Cited by
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Editions of GB/T 5059.3
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 5059.3-2014 | Ferromolybdenum - Determination of copper content - The flame atomic absorption spectrometric method | current edition | Current |
| GB/T 5059.3-1985 | Ferromolybdenum - Determination of copper content - The flame atomic absorption spectrometric method | previous edition | Superseded |
This page sells the current edition, GB/T 5059.3-2014. Earlier editions are listed for reference only.
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Related Standards
GB/T 5059.5-2014 — Ferromolybdenum - Determination of silicon content - Sulphuric acid dehydration gravimetric method and molybdenum blue spectrophotometric method
GB/T 5059.2-1985 — Methods for chemical analysis of ferromolybdenum--The malachite green spectrophotometric method for the determination of antimony content
GB/T 5059.5-1986 — Methods for chemical analysis of ferromolybdenum--The gravimetric method for the determination of silicon content
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