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SN/T 2381-2009: Methods for sampling and sample preparation of acid-grade fluorspar powder in bags for export
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 2381-2009 | English | 209 |
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Methods for sampling and sample preparation of acid-grade fluorspar powder in bags for export
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SN/T 2381-2009
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Basic data | Standard ID | SN/T 2381-2009 (SN/T2381-2009) | | Description (Translated English) | Methods for sampling and sample preparation of acid-grade fluorspar powder in bags for export | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | D50 | | Classification of International Standard | 73.080 | | Word Count Estimation | 8,885 | | Date of Issue | 2009-09-02 | | Date of Implementation | 2010-03-16 | | Quoted Standard | GB/T 2007.3; GB/T 2007.4; GB/T 2007.5 | | Regulation (derived from) | Entry-Exit Inspection and Quarantine circular industry standards (2009. 09. 02) | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the export bagged acid grade Fluorspar sampling and sample preparation. This standard applies to bagged acid grade Fluorspar moisture, particle size, chemical composition of samples taken for measurement and preparation, bag wet mass of about 1. 0t ~ 1. 5t. | SN/T 2381-2009: Methods for sampling and sample preparation of acid-grade fluorspar powder in bags for export
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Methods for sampling and sample preparation of acid-grade fluorspar powder in bags for export
Exit inspection and quarantine industry standard book People's Republic of China
Export bagged acid grade Fluorspar sampling and sample preparation method
Posted 2009-09-02
2010-03-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard is drafted by. People's Republic of China, Ningbo Entry-Exit Inspection and Quarantine Bureau Technology Center.
Participated in the drafting of this standard. People's Republic of China Jiangsu Entry-Exit Inspection and Quarantine Bureau, People's Republic of China Shanghai Entry-Exit Inspection and
Quarantine Bureau.
The main drafters of this standard. Lin Zhenxing, Hou Jin, Yang Chao, Wu bud, Li Chen, Lin force Zhouhui Kang.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Export bagged acid grade Fluorspar sampling and sample preparation method
1 Scope
This standard specifies the sampling and sample preparation methods outlet bags of acid grade Fluorspar.
This standard applies to bags of acid grade Fluorspar moisture, particle size, chemical composition was determined by taking and sample preparation, wet bag about quality
It is 1.0t ~ 1.5t.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 2007.3 minerals in bulk sampling, test methods for sample preparation quality fluctuation General Evaluation
GB/T 2007.4 bulk minerals sampling and sample preparation General Experimental methods for checking the precision
GB/T 2007.5 minerals in bulk sampling, systematic error checking test sample preparation methods General Sampling
3 General Provisions
Quality characteristics specified in item 3.1 of this standard is silica.
3.2 According to the need for checking the precision test.
3.3 Sampling and sample preparation used equipment, tools and sample containers must be filled kept clean, dry, durable, sealed.
3.4 Component Analysis Samples shall keep for at least six months to prepare for verification.
3.5 Quality fluctuation test methods for checking the precision test methods and test methods for sampling system error checking assessed according to GB/T 2007.3,
GB/T 2007.4 and GB/T 2007.5 regulations.
4 sampling
General Procedure 4.1 Sampling
4.1.1 verify sampling consignment or sampling units and the number of bags.
4.1.2 Sample use to determine the required inspection and quality characteristics of the project.
4.1.3 determine the type of consignment quality fluctuations and sampling precision required to achieve the required number of sample parts.
4.1.4 determine the sampling interval, or a fixed number of bags taken at intervals of increments.
4.1.5 determine the kind of parts combination method, and then press the required composition subsample or bulk sample.
4.2 sampling tool
4.2.1 Sampling brazing, specifications dimensions shown in Figure 1.
Millimeters
Figure 1 sampling borer
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