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YS/T 535.1-2009 English PDF

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YS/T 535.1-2009: Chemical analysis methods of sodium fluoride. Part 1: Determination of moisture content. Gravimetric method

YS/T 535.1: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YS/T 535.1-2009English179 Add to Cart 2 days [Need to translate] Chemical analysis methods of sodium fluoride. Part 1: Determination of moisture content. Gravimetric method   YS/T 535.1-2009
YS/T 535.1-2006English199 Add to Cart 2 days [Need to translate] Methods for chemical analysis of sodium fluoride The gravimetric method for the determination of moisture content Obsolete YS/T 535.1-2006

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Basic data

Standard ID YS/T 535.1-2009 (YS/T535.1-2009)
Description (Translated English) Chemical analysis methods of sodium fluoride. Part 1: Determination of moisture content. Gravimetric method
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H21
Classification of International Standard 71.060.50
Word Count Estimation 5,579
Date of Issue 2009-12-04
Date of Implementation 2010-06-01
Older Standard (superseded by this standard) YS/T 535.1-2006
Quoted Standard YS/T 535.10-2009
Regulation (derived from) MIIT [2009] No. 66
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the fluoride in the determination of moisture content. This standard applies to sodium fluoride in the determination of moisture content. Measuring range (mass fraction): �� 2. 00%.

YS/T 535.1-2009: Chemical analysis methods of sodium fluoride. Part 1: Determination of moisture content. Gravimetric method


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Chemical analysis methods of sodium fluoride.Part 1. Determination of moisture content.Gravimetric method ICS 71.060.50 H21 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 535.1-2006 Methods for chemical analysis of sodium fluoride Part 1. Determination of the content of water in the wet Gravimetric method Posted 2009-12-04 2010-06-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

YS/T 535 "chemical analysis of sodium fluoride" is divided into 10 parts. --- Part 1. Determination of the weight of water in the wet method; --- Part 2. Determination of distillation of fluorine content - thorium nitrate titration volumetric method; --- Part 3. Determination of silicon content - Molybdenum blue spectrophotometric method; --- Part 4. Determination of iron content phenanthroline spectrophotometry; --- Part 5. Determination of soluble sulfate turbidity method; --- Part 6. Determination of carbonate content - Gravimetric method; --- Part 7. Determination of acidity and law; --- Part 8. Water-insoluble content - Gravimetric method; --- Part 9. Determination of chlorine turbidity method; --- Part 10. Preparation and storage of test samples. This is Part 1. The partial replacement of YS/T 535.1-2006 (formerly GB/T 8158.1-1987). This part is YS/T 535.1-2006 "sodium fluoride chemical analysis method for the determination of wet weight of water storage," the amendment and YS/T 535.1-2006 increased compared to the like precision and quality assurance and control content. The non-ferrous metal part by the National Standardization Technical Committee and centralized. This part of the Fushun Aluminum Co., Ltd., China Nonferrous Metals Industry Institute of Standards Metrology and Quality is responsible for drafting. This part of the Fushun Aluminum Co., Ltd. The main drafters of this section. Xu Tieling, Wang Yuling, Zhang side by side. This part of the standard replaces the previous editions are. --- YS/T 535.1-2006 (formerly GB/T 8158.1-1987). Methods for chemical analysis of sodium fluoride Part 1. Determination of the content of water in the wet Gravimetric method

1 Scope

This section provides the determination of sodium fluoride content in water in the wet. This section applies to the determination of fluoride content in water in the wet. Measurement range (mass fraction). ≤2.00%.

2 Normative references

The following documents contain provisions which, through reference in this text, constitute provisions of this part. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this section, however, encourage the parties to this part of the research agreement Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this section. YS/T 535.10-2009 Methods for chemical analysis of sodium fluoride - Part 10. Sample preparation and storage

3 Method summary

Sample at 110 ℃ ± 5 ℃ dried and tested for loss.

4 instruments and equipment

4.1 weighing bottle. diameter of about 45mm, flat type. 4.2 electric oven. capable of controlling the temperature of 110 ℃ ± 5 ℃.

5 Sample

The specimen shall conform YS/T 535.10-2009 4.1 requirements. Step 6 Analysis 6.1 Sample 6.2 Determination of the number of Independent of the two measurements, the mean value. 6.3 Determination 6.3.1 The sample (6.1) previously placed in an electric oven 110 ℃ ± 5 ℃ of (4.2) in the drying 2h, and cooled to room temperature in a desiccator 6.3.2 the weighing bottle containing the sample is placed temperature was adjusted to 110 ℃ ± 5 ℃ in an electric oven (4.2), will stand in the bottle do not cover Gaiyan. At the same time placed in an oven with a diameter slightly larger than the weighing bottle table dish, bake 2h, remove the cap put on the table dish, and all placed in a desiccator 7. Calculation of analytical results According to formula (1) to calculate the mass fraction of water in the wet (%). 100 (1)

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