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SN/T 2731-2010: Indentification of asbestos in nonmetal minerals. X-ray diffraction instrument-microscope observation method
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| SN/T 2731-2010 | English | 239 |
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Indentification of asbestos in nonmetal minerals. X-ray diffraction instrument-microscope observation method
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SN/T 2731-2010
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Basic data | Standard ID | SN/T 2731-2010 (SN/T2731-2010) | | Description (Translated English) | Indentification of asbestos in nonmetal minerals. X-ray diffraction instrument-microscope observation method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | D50 | | Classification of International Standard | 73.080 | | Word Count Estimation | 9,989 | | Date of Issue | 2010-11-01 | | Date of Implementation | 2011-05-01 | | Quoted Standard | GB/T 2007.1; JJG 629 | | Regulation (derived from) | National Quality Inspection (2010) 582 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the identification of non-metallic mineral asbestos asbestos minerals and x-ray diffraction polarizing microscope (or electron microscope) observation method. This standard applies to the natural non-metallic minerals (talc powder, natural brucite, magnesite, dolomite, swelling put soil, seaweed, calcite, kaolin, olivine, chlorite, etc.) asbestos (amphibole asbestos snake tomb stone asbestos) identification. | SN/T 2731-2010: Indentification of asbestos in nonmetal minerals. X-ray diffraction instrument-microscope observation method
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Indentification of asbestos in nonmetal minerals.X-ray diffraction instrument-microscope observation method
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Qualitative methods in non-metallic mineral asbestos
X-ray diffraction - microscopic observation
Issued on. 2010-11-01
2011-05-01 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 Entry Inspection and Quarantine Bureau, People's Republic of China Guangdong Entry-Exit Inspection and
Quarantine Bureau.
The main drafters of this standard. of Interferon Clue red, Ren Yuwei, Chen Xin, Jiang Xiaoguang, Shengxiang Jun, Zheng red, the more hatred salary, Wang Qi, Zeng Ze,
Lu Qi, Xie Yan, Nie Dongrui, Zhong Zhiguang.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Qualitative methods in non-metallic mineral asbestos
X-ray diffraction - microscopic observation
1 Scope
This standard specifies the identification of non-metallic mineral asbestos and asbestos minerals X-ray diffraction - a polarizing microscope (or an electron microscope) observation method.
This standard applies to natural non-metallic minerals (talc powder, natural brucite, magnesite, dolomite, bentonite, seaweed, calcite, kaolinite
Identification of soil, olivine, chlorite) and asbestos (amphibole asbestos, chrysotile asbestos).
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.
GB/T 2007.1 bulk minerals sampling and sample preparation General manual sampling methods
JJG629 multi-crystal X-ray diffraction procedures
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Asbestos asbestos
Asbestos is a fibrous silicate class to develop into a generic term for mineral aggregates.
3.2
Chrysotile serpentine, chrysotile
Chrysotile is hydrous magnesium silicate minerals, the main ingredients are silica, magnesia and crystalline water.
3.3
Amphibole amphibole
Amphibole asbestos sodium calcium magnesium iron silicate minerals, including crocidolite (Crocidolite) (also known as purple or blue asbestos asbestos), iron
Asbestos (Amosite), anthophyllite asbestos (Anthophylite), tremolite asbestos (Tremolite) and actinolite asbestos (Actinolite).
4 Method summary
Non-metallic minerals (including talcum powder, seaweed stone, natural brucite, magnesite, dolomite, bentonite, calcite, kaolin, olivine, green
) The identification of asbestos and other debris using X-ray diffraction and polarized light microscopy (or an electron microscope) observation of a combination of methods. first
First, X-ray diffraction was measured d spacings, diffraction angle and diffraction peak intensity by planes, to identify whether certain asbestos-containing minerals.
Then, it is prepared to "contain some asbestos minerals," the samples, a polarizing microscope (or an electron microscope) were observed to confirm whether
Contain asbestos.
5 instruments and equipment
5.1 X-ray powder diffraction.
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