YS/T 239.6-2010 English PDF

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YS/T 239.6-2010: Methods for chemical analysis of antimony trisulfide. Part 6: Determination of iron content. Neighbouring phenanthroline spectrophotometric method

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 239.6-2010	209	Add to Cart	3 days	Methods for chemical analysis of antimony trisulfide. Part 6: Determination of iron content. Neighbouring phenanthroline spectrophotometric method

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Basic data

Standard ID: YS/T 239.6-2010 (YS/T239.6-2010)
Description (Translated English): Methods for chemical analysis of antimony trisulfide. Part 6: Determination of iron content. Neighbouring phenanthroline spectrophotometric method
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H13
Classification of International Standard: 77.120.01
Word Count Estimation: 6,654
Date of Issue: 2010-11-22
Date of Implementation: 2011-03-01
Regulation (derived from): MIIT (2010) No. 126
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the antimony trisulfide Determination of iron content. This standard applies to antimony trisulfide Determination of iron content. Measuring range: 0. 030% mass fraction of iron ~ 0. 40%.

YS/T 239.6-2010: Methods for chemical analysis of antimony trisulfide. Part 6: Determination of iron content. Neighbouring phenanthroline spectrophotometric 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.
Methods for chemical analysis of antimony trisulfide.Part 6. Determination of iron content.Neighbouring phenanthroline spectrophotometric method ICS 77.120.01 H13 People's Republic of China Nonferrous Metals Industry Standard Antimony trisulfide chemical analysis Part 6. Determination of iron content Phenanthroline spectrophotometry Part 6. Determinationofironcontent- Issued on. 2010-11-22 2011-03-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

YS/T 239 "Methods for chemical analysis of antimony trisulfide" There are seven sections. --- Part 1. Determination of antimony content cerium sulfate titration; --- Part 2. Determination of the amount of sulfur compounds and combustion titration method; --- Part 3. Determination of free sulfur content and combustion titration method; --- Part 4. aqua regia insolubles - Gravimetric method; --- Part 5. Determination of arsenic content of arsenic molybdenum blue spectrophotometric method; --- Part 6. Determination of iron content of phenanthroline spectrophotometry; --- Part 7. Determination of lead content by flame atomic absorption spectrometry. Part is divided into 6 sections. This section is in accordance with GB/T 1.1-2009 given rules drafted. Division into new parts. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard is drafted by. Tin Mine flash-antimony industry limited liability company. This section is drafted. Tin Mine flash-antimony industry limited liability company. Participated in the drafting of this section. Hunan Chenzhou Mining Co., Ltd., Hunan Nonferrous Metal Research Institute. The main drafters of this section. Cuide Hai, Song should the ball, and then Zhao Ying, Chen Bin E, Zou Zhi, Wu Shaobo. Antimony trisulfide chemical analysis Part 6. Determination of iron content Phenanthroline spectrophotometry

1 Scope

This section YS/T 239 provides for antimony trisulfide determination of iron content. This section applies to the determination of antimony trisulfide iron content. Measurement range. mass fraction of iron 0.030% to 0.40%.

2 Method summary

Sample and dissolved in nitric acid with hydrochloric acid, add potassium sodium tartrate complex antimony, adjust the color with sodium acetate solution acidity, added hydroxylamine hydrochloride, trivalent Iron is reduced to ferrous iron, and then with phenanthroline to form a colored complex, the absorbance is measured in a spectrophotometer at a wavelength of 510nm.

3 Reagents

Unless otherwise indicated, the reagents used in this section refer to water and recognized analytical reagent and tertiary water. 3.1 hydrochloride (ρ1.19g/mL). Nitrate 3.2 (ρ1.42g/mL). 3.3 Ammonia (ρ0.90g/mL). 3.4 chloroform. 3.5 hydrochloride (11). 3.6 phenanthroline solution (2.5g/L). 3.7 hydroxylamine hydrochloride solution (100g/L). 3.8 sodium acetate solution (200g/L). 3.9 potassium sodium tartrate solution (250g/L). 3.10 Standard stock solution of iron Weigh 0.1000g iron (wFe≥99.99%) placed in 100mL beaker, add 10mL of nitric acid (3.2), heat gently to dissolve to clear, Get rid of nitrogen oxides boiling, remove the cooling to room temperature. Moved into 1000mL volumetric flask, supplemented with 40mL of nitric acid (3.2), diluted with water to Volume, and mix. This solution 1mL iron 100μg. 3.11 iron standard solution Pipette 10.00mL iron standard stock solution (3.10) in 100mL volumetric flask, dilute with water to volume, and mix. This solution 1mL Iron 10μg.

4 Instrument

Spectrophotometer.

5 Sample

5.1 Sample size should be less than 0.100mm. ......

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