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GB/T 31313-2014 English PDF

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GB/T 31313-2014: Fluorspar -- Determination of particle size distribution by sieving
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PDF similar to GB/T 31313-2014


Standard similar to GB/T 31313-2014

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Basic data

Standard ID GB/T 31313-2014 (GB/T31313-2014)
Description (Translated English) Fluorspar -- Determination of particle size distribution by sieving
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard D52
Classification of International Standard 73.080
Word Count Estimation 12,165
Date of Issue 12/5/2014
Date of Implementation 9/1/2015
Quoted Standard GB/T 6003.1; GB/T 6003.2; GB/T 6005; GB/T 22564; ISO 2591-1
Adopted Standard ISO 8876-1989, MOD
Regulation (derived from) Announcement of Newly Approved National Standards 2014 No. 27
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 Determination of fluorite screening granularity. This Standard is applicable to the determination of fluorite screening granularity.

GB/T 31313-2014: Fluorspar -- Determination of particle size distribution by sieving

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Fluorspar. Determination of particle size distribution by sieving ICS 73.080 D52 National Standards of People's Republic of China Fluorite particle size determination of Sieving (ISO 8876. 1989, MOD) Issued on. 2014-12-05 2015-09-01 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. This standard uses the redrafted law revision using ISO 8876. 1989 "Fluorite particle size distribution by sieving." This standard and ISO 8876. 1989 is compared, mainly to do the following changes. --- "This International Standard" by "this standard"; --- "Normative references" in place of national standards corresponding to international standards; "." --- With a decimal point instead of a comma as the decimal point, ""; --- Removed in Appendices A and B. 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. Ningbo Inspection and Quarantine Institute of Science and Technology, Metallurgical Industry Information Standards Institute, Nantong CIQ Bureau, Fangchenggang CIQ. The main drafters of this standard. Caoguo Zhou, Liu Mei, GUOWEI, Zhu Xiaoyan, Chou Jinhui, Wang Jiang, Luo Minggui, Lv Zee. Fluorite particle size determination of Sieving

1 Scope

This standard specifies the method for determination of Sieving size of fluorite. This standard applies to the determination fluorite screening granularity.

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 6003.1 Test sieves - Technical requirements and testing - Part 1. Test sieves of metal wire braid (GB/T 6003.1-2012, ISO 3310-1.2000, MOD) GB/T 6003.2 Test sieves - Technical requirements and testing - Part 2. Test sieves of perforated metal plate (GB/T 6003.2-2012, ISO 3310-2.1999, MOD) Basic dimensions GB/T 6005 Test sieves of metal wire mesh preparation, perforated plate and electroformed sheet mesh (GB/T 6005- 2008, ISO 565.1990, MOD) GB/T 22564 fluorite sampling and sample preparation (GB/T 22564-2008, ISO 8868. 1989, IDT) ISO 2591-1 screening test - Part 1. Test methods for screening woven wire mesh and perforated metal plates used (Testsie- ving-Part 1. Methodsusingtestsievesofwovenwireclothandperforatedmetalplate)

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Added material charge One or a set of samples with a volume of fluorite screening process. 3.2 Particle particle Discrete individual fluorite, refers to any size. 3.3 Size particlesize Obtained by sieving particle size. Available indicated by minimum or maximum mesh sieve residues. 3.4 Nominal size nominaltopsize Mesh size of the residual amount of about 5% (by mass) of the sieve. 3.5 Particle size distribution particlesizedistribution Divided by grain size group of particles, or by a percentage of the total sample of residual grains accounted for representation.

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