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SN/T 2949-2011Determination of SiO2, Fe2O3, Al2O3, CaO, MgO contents in talc for export. X-ray fluorescence spectrometric method (English PDF)

出口滑石中二氧化硅、三氧化二铁、三氧化二铝、氧化钙、氧化镁的测定

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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 2949-2011 is the English-translated version of 出口滑石中二氧化硅、三氧化二铁、三氧化二铝、氧化钙、氧化镁的测定.

SN/T 2949-2011 — This standard specifies the X-ray Fluorescence Spectrometry silica, talc, ferric oxide, aluminum oxide, calcium oxide, Magnesium content approach.

This standard applies to silica, talc, ferric oxide determination, aluminum oxide, calcium oxide, magnesium oxide content of each element determination Range in Table 1.

Table 1 standard measurement range of each substance Element measurement range (mass fraction) /% SiO2 48.00 ~ 60.00 Fe2O3 0.30 ~ 3.00 Al2O3 0.10 ~ 10.00 CaO 1.00 ~ 5.00 MgO 30.00 ~ 39.00

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Document preview — SN/T 2949-2011

National Standard of the People's Republic of China

ICS: 73.080
Classification: D 50

Issued by: General Administration of Customs

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies the X -ray fluorescence spectrometry determination of silica, talc, ferric oxide, aluminum oxide, calcium oxide, magnesium content approach. This standard applies to silica, talc, ferric oxide, aluminum oxide, calcium oxide, determination of magnesium oxide content. Measuring range of the elements listed in Table 1.

Document data

International classification (ICS): 73.080.

Chinese classification (CCS): D50.

Estimated length of the Chinese original: 9,929 words.

Standards quoted by this document

GB/T 6682; GB/T 15341; GB/T 15342; GB/T 15343; GB/T 16597

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.

Referenced standards

Normative references

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