GB/T 3260.7-2013Methods for chemical analysis of tin - Part 7: Determination of aluminium content - Electrothermal atomic absorption spectrometric method (English PDF)
锡化学分析方法 第7部分：铝量的测定 电热原子吸收光谱法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 17, 2013
Implementation date
September 1, 2014
Scope
GB/T 3260.7-2013 is the English-translated version of 锡化学分析方法 第7部分：铝量的测定 电热原子吸收光谱法.
GB/T 3260.7-2013 is the Chinese standard "Methods for chemical analysis of tin - Part 7: Determination of aluminium content - Electrothermal atomic absorption spectrometric method".
Its scope clause reads: GB/T 3260 This section provides for the determination of tin in aluminum content electrothermal atomic absorption spectrometry methods. This section applies to the determination of tin in aluminum content.
Determination of the range of 0.00030% - 0.0040%. Its clauses include method summary; reagents; instrument.
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Document preview — GB/T 3260.7-2013
National Standard of the People's Republic of China
- ICS
- 77.120.60
- Classification
- H 13
- Replacing
- GB/T 3260.7-2000
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Method summary
- 3 Reagents
- 4 Instrument
1 Scope
GB/T 3260 This section provides for the determination of tin in aluminum content electrothermal atomic absorption spectrometry methods.
This section applies to the determination of tin in aluminum content. Determination of the range of 0.00030% - 0.0040%
2 Method summary
Samples with hydrochloric acid and hydrogen peroxide dissolved in hydrochloric acid and citric acid medium, electrothermal atomic absorption spectrometer at 309.3nm, Zeeman
In addition to background absorption, measuring the absorption peak area, calculated according to the content of the work curve of aluminum.
3 Reagents
Analysis of water are a water. Containers are used in the experiments with hydrochloric acid (119) was thoroughly soaked, clean water reserve.
3.1
hydrochloride (rho1.19g/mL, MOS level).
Nitrate 3.2 (rho1.42g/mL, MOS level).
3.3
Hydrogen peroxide (30%, MOS grade).
3.4
hydrochloride (19).
3.5
citric acid solution (pure class distinctions, 200g/L).
3.6 standard aluminum stock solution
Weigh 1.0000g of aluminum (wAl>=99.99%), placed in 250mL-high beaker, 25mL salt
Acid (11) and 3mL nitrate, cover sheet pan, over low heat until completely dissolved, removed, cooled, washed with water table dish and cup wall, moved
1000mL volumetric flask 25mL hydrochloric acid (11), diluted with water to volume, and mix. 1mL solution containing 1mg aluminum.
3.7
Aluminum Standard Solution A. Pipette 10.00mL aluminum standard stock solution (3.6) in 100mL volumetric flask, was added 5mL hydrochloric acid (3.1),
Dilute with water to volume, and mix. This solution 1mL containing 100µg aluminum.
3.8 aluminum standard solution B
Pipette 5.00mL aluminum standard solution (3.7) in 250mL volumetric flask, was added 12.5mL hydrochloric acid (3.1),
Dilute with water to volume, and mix. This solution 1mL containing 2µg aluminum.
4 Instrument
Graphite furnace atomic absorption spectrometer (with a Zeeman background subtraction function), with a graphite furnace atomizer, autosampler, with a hollow aluminum overcast
Pole lamps and graphite tube.
Step 5 Analysis
5.1 Sample
Table 1 sample was weighed, accurate to 0.0001g.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Similar standards
Editions of GB/T 3260.7
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 3260.7-2013 | Methods for chemical analysis of tin - Part 7: Determination of aluminium content - Electrothermal atomic absorption spectrometric method | current edition | Current |
| GB/T 3260.7-2000 | Methods for chemical analysis of tin - Part 7: Determination of aluminium content - Electrothermal atomic absorption spectrometric method | previous edition | Superseded |
This page sells the current edition, GB/T 3260.7-2013. Earlier editions are listed for reference only.
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