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GB/T 22563-2008 English PDF

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GB/T 22563-2008: All grades of fluorspar -- Determination of moisture content of a lot
Status: Valid
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 22563-200878 Add to Cart 1 days All grades of fluorspar -- Determination of moisture content of a lot Valid

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Basic data

Standard ID: GB/T 22563-2008 (GB/T22563-2008)
Description (Translated English): All grades of fluorspar -- Determination of moisture content of a lot
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D52
Classification of International Standard: 73.080
Word Count Estimation: 6,668
Date of Issue: 2008-12-06
Date of Implementation: 2009-10-01
Quoted Standard: GB/T 22564-2008
Adopted Standard: ISO 8875-1992, IDT
Regulation (derived from): National Standard Approval Announcement 2008 No.19 (Total No.132)
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 scope of the average moisture measurement methods bulk fluorite, terms and definitions, principle, equipment, specimens, determining step, content calculation and reporting the results of the test, This standard applies to all grades of fluorspar, ie acid level, ceramic grade and three metallurgical grade (concentrate, pellets and ore) of moisture.

GB/T 22563-2008: All grades of fluorspar -- Determination of moisture content of a lot

---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.
All grades of fluorspar. Determination of moisture content of a lot ICS 73.080 D52 National Standards of People's Republic of China GB/T 22563-2008/ISO 8875.1992 Moisture fluorite (ISO 8875.1992, IDT) Posted 2008-12-06 2009-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is identical with ISO 8875.1992 "Determination of Moisture fluorite." The standard proposed by China Iron and Steel Association. This standard is under the jurisdiction of the National Steel Standardization Technical Committee. This standard was drafted. Wuhan Iron and Steel (Group) Corporation, Metallurgical Industry Information Standards Institute. Drafters of this standard. Li Xiaojie, Shen Ke, Gao Jianping, Chou Jinhui, Yang, Jia Lihui, Baihan Fang. GB/T 22563-2008/ISO 8875.1992 Moisture fluorite

1 Scope

This standard specifies the scope of the determination of the average quantities of water fluorite methods, terms and definitions, principles, equipment, samples, measuring step, results Content calculation and test reports. This standard applies to all grades of fluorite, namely acid grade, ceramic grade and three metallurgical grade (concentrate, pellets and ore) water Determination.

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 22564-2008 fluorite sampling and sample preparation (ISO 8875.1992, IDT)

3 Terms and Definitions

GB/T 22564 in determining the terms and definitions apply to this standard. Principle 4 A sample in an oven at 105 ℃ ± 5 ℃, the drying to a constant quality.

5 device

5.1 drying trays The surface is smooth, non-polluting, can 1kg or more sample paved with a layer thickness of not more than 10mm in the tray. 5.2 Oven Configuring temperature indicator, can any inner-point temperature control oven at 105 ℃ ± 5 ℃, and maintained at that temperature. In order to ensure effective Dried, oven equipped with the fan, so that the inside air circulation, all of the air in 1h replaced at least 3 times, no loss of the sample. 5.3 weighing device Or better sensitivity 1g 1g, to ensure accuracy achieve reproducible results. Should use appropriate insulation, protection weighing device Not affected by hot dry state disk.

6 Sample

And preparation of samples should be GB/T 22564-2008 provisions of Chapter 6 and 9.2 were. Each batch should be prepared 2 or 2 parts of more than one specimen. The total amount of each sample should meet the needs of each water sample to be measured. The quality of the sample should be 1kg or more than 1kg, most Large size should be -10mm.

7 Test Procedure

7.1 Determination of the number of Each sample once Moisture. 7.2 Determination Weighing the dry plate (5.1) accurate to 1g. GB/T 22563-2008/ISO 8875.1992
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