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GB/T 32549-2016 English PDF

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GB/T 32549-2016: Fluorspar -- Experimental methods for evaluation of quality variation
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PDF similar to GB/T 32549-2016


Standard similar to GB/T 32549-2016

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Basic data

Standard ID GB/T 32549-2016 (GB/T32549-2016)
Description (Translated English) Fluorspar -- Experimental methods for evaluation of quality variation
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard D52
Classification of International Standard 73.080
Word Count Estimation 15,112
Date of Issue 2016-02-24
Date of Implementation 2016-11-01
Quoted Standard GB/T 22564-2008
Regulation (derived from) National Standard Announcement No
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies test methods for assessing the quality fluctuations of fluorite delivery lots. This standard applies to the sampling procedures specified in GB/T 22564-2008.

GB/T 32549-2016: Fluorspar -- Experimental methods for evaluation of quality variation

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Fluorspar - Experimental methods for evaluation of quality variation ICS 73.080 D52 National Standards of People's Republic of China Test method for evaluating the quality of fluorite fluctuations Issued on. 2016-02-24 2016-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Iron and Steel Association. This standard by the National Steel Standardization Technical Committee (SAC/TC183) centralized. This standard was drafted. Shougang Technology Research Institute, Metallurgical Industry Information Standards Institute. The main drafters of this standard. Wu Zhaohui, Zhang Lei, Lisong Tian, ​​Wang Jiujiang, Lu Chunsheng. Test method for evaluating the quality of fluorite fluctuations

1 Scope

This standard specifies the test methods for the evaluation of fluorite consignment quality fluctuations. This standard applies to GB/T 22564-2008 specified sampling procedures.

2 Normative references

The following documents for the application of this document is essential. For cited documents with dates, only the dated edition applies to this document. For undated references, the latest edition (including any amendments) applies to this document. GB/T 22564-2008 fluorite sampling and sample preparation

3 General

3.1 Quality fluctuations Fluctuations in the quality of fluorite with stratified sampling and systematic sampling to represent the standard deviation (expressed as σw). Wagon sampling is GB/T 22564-2008 follow a two-stage sampling. The purpose of this standard is to stratified sampling and systematic sampling to find an acceptable approximation scheme to truck sampling. Thus the process two samples from wagons are not described in detail in this standard. 3.2 Quality Characteristics Determination of the quality characteristics of quality variation chosen, usually calcium fluoride (CaF2) and the content of silica (SiO2), and can also be used moisture, particle size or other quality characteristics. 3.3 Sampling, sample preparation and testing Sampling, sample preparation and testing of samples shall be the appropriate standards. 3.4 Test Daily sample may be tested as consignment quality fluctuation test. Quality characteristics may be altered due to the following reasons. a) in a vein in the mine; b) mining methods; c) beneficiation methods; d) stacking method; e) methods of handling; f) the batch. It is recommended that frequent fluctuations in the quality of the consignment test. Test Method 4 Σw inner layer standard deviation assessment method is suitable for stratified sampling and systematic sampling period follows.

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