SN/T 2950-2011Determination of silicon, aluminium, alcium, iron, phosphor, chromium and titanium in rare earth ferrosiliconmagnesium for export. X-ray fluorescence spectrometric method (English PDF)
出口稀土镁硅铁中硅、铝、钙、铁、磷、铬、钛含量的测定 X射线荧光光谱法
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Issued by
General Administration of Customs
Level / Type
National · Recommended
Issue date
May 31, 2011
Implementation date
December 1, 2011
Scope
SN/T 2950-2011 is the English-translated version of 出口稀土镁硅铁中硅、铝、钙、铁、磷、铬、钛含量的测定 X射线荧光光谱法.
SN/T 2950-2011 — This standard specifies the X-ray fluorescence spectrometric method exports of rare earth magnesium ferrosilicon silicon, aluminum, calcium, iron, phosphorus, chromium, titanium content.
This standard applies to the determination of rare earth magnesium ferrosilicon silicon, aluminum, calcium, iron, phosphorus, chromium, titanium content. Measurement range of each element are shown in Table 1.
Table 1 Scope unit.% (mass fraction) Element content range Si 37.00 ~ 48.00 Al 0.30 ~ 2.50 Ca 0.10 ~ 6.30 Fe 36.00 ~ 50.00 P 0.018 ~ 0.030 Cr 0.014 ~ 0.30 Ti 0.030 ~ 2.00
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Document preview — SN/T 2950-2011
National Standard of the People's Republic of China
- ICS
- 77.120.99
- Classification
- H 65
Issued by: General Administration of Customs
Contents
- What this standard covers1
- Document data2
- Standards quoted by this document3
What this standard covers
This standard specifies the export of rare earth ferrosilicon magnesium silicon, X -ray fluorescence spectrometric method for titanium content, aluminum, calcium, iron, phosphorus, chromium. This standard applies to rare earth ferrosilicon magnesium silicon, Determination of titanium content, aluminum, calcium, iron, phosphorus, chromium. Measurement range of each element are shown in Table 1.
Document data
International classification (ICS): 77.120.99.
Chinese classification (CCS): H65.
Estimated length of the Chinese original: 8,811 words.
Standards quoted by this document
GB/T 4010; GB/T 6379.2; GB/T 16597
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 6 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 4010Ferroalloys sampling and preparation of samples for chemical analysis
- GB/T 6379.2Measurement methods and results -- Accuracy (trueness and precision) -- Part 2: Determine the standard methods of measurement repeatability and reproducibility of the basic method
- GB/T 16597Analytical methods of metallurgical products—General rule for X-ray fluorescence spectrometric methods
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Related Standards
GB/T 16597-2019 — Analytical methods of metallurgical products—General rule for X-ray fluorescence spectrometric methods
GB/T 4010-2015 — Ferroalloys sampling and preparation of samples for chemical analysis
GB/T 40100-2021 — Life cycle assessment method for electric machine
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SN/T 2950-2011
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