YS/T 535.5-2009 English PDF

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YS/T 535.5-2009: Chemical analysis methods of sodium fluoride. Part 5: Determination of soluble sulphates content. Turbidimetric method
Status: Valid

YS/T 535.5: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 535.5-2009	169	Add to Cart	3 days	Chemical analysis methods of sodium fluoride. Part 5: Determination of soluble sulphates content. Turbidimetric method	Valid
YS/T 535.5-2006	199	Add to Cart	2 days	Methods for chemical analysis of sodium fluoride. The turbidimetric method for the determination of soluble sulphates content	Obsolete

Similar standards

YS/T 581.15   GB/T 1425   GB/T 351   YS/T 535.11   YS/T 535.2   YS/T 535.10   

Basic data

Standard ID: YS/T 535.5-2009 (YS/T535.5-2009)
Description (Translated English): Chemical analysis methods of sodium fluoride. Part 5: Determination of soluble sulphates content. Turbidimetric method
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H21
Classification of International Standard: 71.060.50
Word Count Estimation: 6,627
Date of Issue: 2009-12-04
Date of Implementation: 2010-06-01
Older Standard (superseded by this standard): YS/T 535.5-2006
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 content of soluble sulfate method. This standard applies to the soluble sodium sulphate content. Measuring range (mass fraction): 0. 05% to 0. 20%.

YS/T 535.5-2009: Chemical analysis methods of sodium fluoride. Part 5: Determination of soluble sulphates content. Turbidimetric method

---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.
Chemical analysis methods of sodium fluoride.Part 5. Determination of soluble sulphates content.Turbidimetric method ICS 71.060.50 H21 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 535.5-2006 Methods for chemical analysis of sodium fluoride Determination of soluble sulfate content. Part 5 Turbidity 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 5. The partial replacement of YS/T 535.5-2006 (formerly GB/T 8158.5-1987). This part is the "determination of sodium sulfate content of soluble chemical analysis of turbidity Law" YS/T 535.5-1994 revision, and YS/T 535.5-1994 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. drafted. The main drafters of this section. Sun Yufei, Zhang Ying, Wu Yuchun. This part of the standard replaces the previous editions are. --- YS/T 535.5-2006 (formerly GB/T 8158.5-1987). Methods for chemical analysis of sodium fluoride Determination of soluble sulfate content. Part 5 Turbidity method

1 Scope

This section provides the determination of soluble sodium sulfate content. This section applies to the determination of soluble sodium sulfate content. Measurement range (mass fraction). 0.05% to 0.20%.

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 in hydrochloric acid solution was evaporated to near dryness, and the residue was dissolved in hydrochloric acid, and the turbidity under certain conditions, by the barium sulfate precipitate produced, Measured.

4 Reagents

4.1 hydrochloride (ρ1.19g/mL). 4.2 hydrochloric acid solution (1mol/L). 4.3 dihydrate barium chloride (BaCl2 · 2H2O). particle size 0.5mm ~ 1.25mm (screening). Throughout the measurement and calibration process, you must With the same size of barium chloride. 4.4 glycerol. 4.5 barium chloride hydrochloric acid solution (240g/L) 120g of barium chloride to 450mL with water, dissolved and transferred to 500mL volumetric flask, was added 10mL of hydrochloric acid (4.1). Diluted with water to the mark Degree, and mix. 4.6 sulfate standard solution Pipette 41.60mL sulfate standard solution (0.1mol/L) in a volumetric flask, dilute to volume, and mix. This standard solution containing 1mL 200mg sulfate.

5 instruments and equipment

5.1 platinum dish. 5.2 Spectrophotometer.

6 Sample

The specimen shall conform YS/T 535.10-2009 4.2 requirements.

7 Procedure

7.1 Sample ......

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