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GB/T 13025.1-2012 English PDF

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GB/T 13025.1-2012: General test method in salt industry -- Determination of grain size
Status: Valid

GB/T 13025.1: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 13025.1-2012English149 Add to Cart 2 days [Need to translate] General test method in salt industry -- Determination of grain size Valid GB/T 13025.1-2012
GB/T 13025.1-1991English199 Add to Cart 2 days [Need to translate] General test method in salt industry--Determination of grain size Obsolete GB/T 13025.1-1991

PDF similar to GB/T 13025.1-2012


Standard similar to GB/T 13025.1-2012

GB/T 13025.12   GB/T 13025.8   GB/T 13025.10   GB/T 13025.5   GB/T 13025.6   GB/T 13025.4   

Basic data

Standard ID GB/T 13025.1-2012 (GB/T13025.1-2012)
Description (Translated English) General test method in salt industry -- Determination of grain size
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard X35
Classification of International Standard 71.060.50
Word Count Estimation 5,578
Older Standard (superseded by this standard) GB/T 13025.1-1991
Quoted Standard GB/T 6003.1; GB/T 6003.2; GB/T 6003.3
Regulation (derived from) National Standards Bulletin No. 13 of 2012
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 the edible salt and salt Method for determination of particle size. This section applies to edible salt and salt products Determination of particle size.

GB/T 13025.1-2012: General test method in salt industry -- Determination of grain size

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS71.060.50 X35 National Standards of People's Republic of China Replacing GB/T 13025.1-1991 General test method in salt industry - Determination of particle size Issued on. 2012-06-29 2012-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This section of the standard method of series universal testing in salt industry, which is currently divided into the following series of standards section 13 and, if necessary, other test Standard test method will complement the development of the follow-up work. --- GB/T 13025.1 General test method in salt industry - Determination of particle size; --- GB/T 13025.2 General test method in salt industry - Determination of whiteness; --- GB/T 13025.3 General test method in salt industry - Determination of moisture content; --- GB/T 13025.4 General test method in salt industry - Determination of insoluble matter; --- GB/T 13025.5 General test method in salt industry Determination of chloride ion; --- GB/T 13025.6 salt industry Determination of calcium and magnesium ions Common test methods; --- GB/T 13025.7 General test method in salt industry Determination of iodide ion; --- GB/T 13025.8 General test method in salt industry - Determination of sulfate ion; --- GB/T 13025.9 General test method in salt industry Determination of lead ion; --- GB/T 13025.10 General test method in salt industry - Determination of ferrous cyanide; --- GB/T 13025.11 General test method in salt industry Determination of fluoride ions; --- GB/T 13025.12 General test method in salt industry - Determination of barium ions; --- GB/T 13025.13 General test method in salt industry - Determination of arsenic ions. This is Part 1 GB/T 13025 in. This section based on GB/T 1.1-2009 of rules for the preparation. This section replaces the GB/T 13025.1-1991 "General test method in salt industry - Determination of particle size." This part of GB/T 13025.1-1991 compared except editorial changes, the major technical changes are as follows. --- Hand-screened from the original to 3min 2min; --- Parallel increase measured twice, tolerance not more than 2.0%. This part is proposed by the China National Light Industry Council. This part of the National Salt Industry Standardization Technical Committee centralized. This section drafted by. National Center for Standardization mineral salt. The main drafters of this section. Liao Xuancheng, Shen Min, Chen Zhiyong. General test method in salt industry - Determination of particle size

1 Scope

This section GB/T 13025 specifies the method for determination of edible salt and salt products granularity. This section applies to the determination of salt and edible salt products granularity.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 6003.1 Test sieves of metal wire cloth GB/T 6003.2 Test sieves of perforated metal plate GB/T 6003.3 electroformed sheet test sieve

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Size granularity The thickness of the particulate material.

4 Instrument

4.1 Test sieves. GB/T 6003.1, GB/T 6003.2, the R40/3 series test sieve GB/T 6003.3. 4.2 vibration sieve machine. Circle the number of swings (280 ± 10) times/min; up and down rapping frequency (156 ± 5) times/min; noise ≤70dB. 4.3 Balance. a sense of volume ≤0.2g.

5 test procedure

Weigh 100g sample weighing accuracy of 0.2g, sieved using a predetermined test sieve mesh size. 2min or manual sieving through the sieve shaker Sieve Sieve 1min after mass on matter, to the nearest 0.2g.

6 calculated results

The sample size on the screen oversize predetermined mass fraction w and its value as a percentage (%) expressed by the formula (1). w = m1m × 100 (1) Where. Quality was on m1 --- sieve, in grams (g);

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