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Rapid qualitative screening of talc powder. Powder X-ray diffraction method
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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 | 12,138 |
| 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. |
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SN/T 5268|SN/T 4008-2013: Rapid qualitative screening of talc powder. Powder X-ray diffraction method
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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.
...
