SN/T 4008-2013 English PDF

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SN/T 4008-2013: Rapid qualitative screening of talc powder. Powder X-ray diffraction method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 4008-2013	319	Add to Cart	3 days	Rapid qualitative screening of talc powder. Powder X-ray diffraction method	Valid

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Basic data

Standard ID: SN/T 4008-2013 (SN/T4008-2013)
Description (Translated English): Rapid qualitative screening of talc powder. Powder X-ray diffraction method
Sector / Industry: Commodity Inspection Standard (Recommended)
Word Count Estimation: 12,152
Regulation (derived from): National quality recognition (2013) 569
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the talcum powder X-ray diffraction rapid qualitative screening methods. This standard applies to talc content of more than 70% of rapid qualitative screening products Talc body.

SN/T 4008-2013: Rapid qualitative screening of talc powder. Powder X-ray diffraction 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.
Rapid qualitative screening of talc powder. Powder X-ray diffraction method People's Republic of China Entry-Exit Inspection and Quarantine Standards Talc rapid qualitative screening Powder X-ray diffraction method Issued on. 2013-11-06 2014-06-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted 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. Clue red, Chen, Liu famous, Ren Yuwei, Shengxiang Jun, Xie Yan, Lu Qi, Fu Yao. Talc rapid qualitative screening Powder X-ray diffraction method

1 Scope

This standard specifies the talcum powder X-ray diffraction rapid qualitative screening methods. This standard applies to the talc content of more than 70% of talc body products - talc rapid qualitative screening.

2 Terms and definitions

The following terms and definitions apply to this document. 2.1 Talc talc; talcum A silicate minerals, the main hydrous magnesium silicate, the theoretical formula Mg3 (Si4O10) (OH) 2 or 3MgO · 4SiO2 · H2O. 2.2 Talc talcpowder Featured talc by net system, grinding, drying made from white or almost white, fine, powdery sand no hands touch a greasy feeling. Often due to talc Ore and quartz, chlorite, calcite, magnesite and other associated and mixed with other mineral powders. The standard refers to the alleged talc content in the talc More than 70% talc body products.

3 PRINCIPLE OF THE METHOD

Talc having a specific crystal structure, the X-ray diffraction measurement, the conditions of a given wavelength, the material exhibits a diffraction pattern peculiar line. The diffraction data comparison test substance diffraction data analysis and standard samples talc, it can determine whether the sample contains talc, achieve Talcum powder for rapid qualitative screening.

4 instruments and equipment

4.1 X-ray powder diffraction, technical specifications, see Appendix A. 4.2 agate mortar. 4.3 standard sieve pore size 45μm. 4.4 Analytical balance, a sense of the amount of 0.1g.

5 Sample

The sample was mixed well, take about 20g as an analytical sample in a clean container sealed. ......

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