GB/T 3260.9-2013Methods for chemical analysis of tin - Part 9: Determination of sulphur content - Infra-red absorption method after high frequency induction furnace (English PDF)
锡化学分析方法 第9部分：硫量的测定 高频感应炉燃烧红外吸收法
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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 3260.9-2013 is the English-translated version of 锡化学分析方法 第9部分：硫量的测定 高频感应炉燃烧红外吸收法.
GB/T 3260.9-2013 is the Chinese standard "Methods for chemical analysis of tin - Part 9: Determination of sulphur content - Infra-red absorption method after high frequency induction furnace".
Its scope clause reads: GB/T 3260 provisions of this part of the tin sulfur content of the high-frequency induction furnace combustion infrared absorption spectrometry.
This section applies to the determination of tin in sulfur content. Determination of the range of 0.00030% to 0.0200%. Its clauses include method summary; reagents and materials; instrument.
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Document preview — GB/T 3260.9-2013
National Standard of the People's Republic of China
- ICS
- 77.120.60
- Classification
- H 13
- Replacing
- GB/T 3260.10-2000
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Method summary
- 3 Reagents and materials
- 4 Instrument
1 Scope
GB/T 3260 provisions of this part of the tin sulfur content of the high-frequency induction furnace combustion infrared absorption spectrometry.
This section applies to the determination of tin in sulfur content. Determination of the range of 0.00030% to 0.0200%.
2 Method summary
In the presence of a flux, sample high frequency induction heating furnace combustion oxygen flow generated by the sulfur dioxide contained oxygen to infrared analysis
The measuring chamber, sulfur dioxide absorption in a specific wavelength infrared energy absorption are proportional to the concentration of the sulfur.
3 Reagents and materials
Unless otherwise stated, all reagents were of analytical grade, two water water as the national standard.
3.1 tungsten tin flux
w (S) <=0.0002%.
3.2 Standard substance
w (S) between 0.0003% to 0.020%.
3.3 Oxygen
than 99.5% purity.
3.4
scavenger and catalyst.
3.4.1 anhydrous magnesium perchlorate
particle size 0.7mm ~ 1.2mm.
3.4.2 Caustic soda asbestos
granular.
3.4.3
glass wool.
3.4.4
cotton.
3.4.5
platinized silica gel.
3.5 sulfur porcelain crucible
When the sample is greater than 0.0010% sulfur, it will be sweet porcelain crucible in an oxygen stream in 1100 °C burning
1.5h; when the test sample is not more than 0.0010% sulfur content, the sulfur porcelain crucible in an oxygen stream in 1100 °C burning 4h, the dryer
Cooling.
3.6 Power gas
nitrogen, argon or compressed air, which contaminants (oil and water) content of less than 0.5%.
4 Instrument
High frequency induction infrared carbon and sulfur analyzer.
Instrument conditions see Appendix A.
High-frequency furnace power. 1.0kW ~ 2.5kW.
Frequency. 18MHz.
Detector sensitivity. 0.1µg/g.
......
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 3260.9
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 3260.9-2013 | Methods for chemical analysis of tin - Part 9: Determination of sulphur content - Infra-red absorption method after high frequency induction furnace | current edition | Current |
| GB/T 3260.10-2000 | Methods for chemical analysis of tin - Part 9: Determination of sulphur content - Infra-red absorption method after high frequency induction furnace | previous edition | Superseded |
This page sells the current edition, GB/T 3260.9-2013. Earlier editions are listed for reference only.
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