SN/T 2949-2011 English PDF

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SN/T 2949-2011: Determination of SiO2, Fe2O3, Al2O3, CaO, MgO contents in talc for export. X-ray fluorescence spectrometric method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2949-2011	239	Add to Cart	3 days	Determination of SiO2, Fe2O3, Al2O3, CaO, MgO contents in talc for export. X-ray fluorescence spectrometric method	Valid

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Basic data

Standard ID: SN/T 2949-2011 (SN/T2949-2011)
Description (Translated English): Determination of SiO2, Fe2O3, Al2O3, CaO, MgO contents in talc for export. X-ray fluorescence spectrometric method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: D50
Classification of International Standard: 73.080
Word Count Estimation: 9,934
Date of Issue: 2011-05-31
Date of Implementation: 2011-12-01
Quoted Standard: GB/T 6682; GB/T 15341; GB/T 15342; GB/T 15343; GB/T 16597
Regulation (derived from): National-Quality-Inspection-accreditation (2011) 291
Issuing agency(ies): General Administration of Customs
Summary: 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.

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

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Determination of SiO2, Fe2O3, Al2O3, CaO, MgO contents in talc for export.X-ray fluorescence spectrometric method People's Republic of China Entry-Exit Inspection and Quarantine Standards Export talc silica, iron oxide, ozone Determination of aluminum oxide, calcium oxide, magnesium oxide X-ray fluorescence spectrometry DeterminationofSiO2, Fe2O3, Al2O3, CaO, MgOcontentsintalcforexport- Issued on. 2011-05-31 2011-12-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard is prepared in accordance with GB/T 1.1-2009 given rules. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Liaoning Province Exit Inspection and Quarantine. The main drafters of this standard. Huang Daliang, of Interferon Chen Yang, Cui Yan, Shen Bao true, Tian Zhuo, Guo Yu, Choi Han, Chen Xi, Chang Chun Ouyang. This standard is the first release of the entry-exit inspection and quarantine industry standards. Export talc silica, iron oxide, ozone Determination of aluminum oxide, calcium oxide, magnesium oxide X-ray fluorescence spectrometry

1 Scope

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

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 15341 talc GB/T 15342 Talc GB/T 15343 talc chemical analysis GB/T 16597 metallurgical product analysis X-ray Fluorescence Spectrometry General

3 PRINCIPLE OF THE METHOD

Use of anhydrous lithium tetraborate melt like, potassium iodide is made from film sample sheet. Measured analyte spectral characteristics of X-ray fluorescence intensity Degrees, according to the relationship between the content of X-ray fluorescence intensity and analyte to be tested between the elements, the choice of regression equations and mathematical calibration models, namely, Calculated content measured elements.

4 Reagents and materials

4.1 The water test should be consistent with GB/T 6682 requirements in three of water. ......

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