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YS/T 556.1-2009 English PDF

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YS/T 556.1-2009: Methods for chemical analysis of antimony concentrates. Part 1: Determination of arsenic content. Cerium sulfate titration method
Status: Valid

YS/T 556.1: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YS/T 556.1-2009English139 Add to Cart 3 days [Need to translate] Methods for chemical analysis of antimony concentrates. Part 1: Determination of arsenic content. Cerium sulfate titration method Valid YS/T 556.1-2009
YS/T 556.1-2006English199 Add to Cart 2 days [Need to translate] Antimony concentrates. Determination of antimony content Obsolete YS/T 556.1-2006

PDF similar to YS/T 556.1-2009


Standard similar to YS/T 556.1-2009

YS/T 575.19   SN/T 3510   GB/T 8152.1   YS/T 556.11   YS/T 556.10   YS/T 556.2   

Basic data

Standard ID YS/T 556.1-2009 (YS/T556.1-2009)
Description (Translated English) Methods for chemical analysis of antimony concentrates. Part 1: Determination of arsenic content. Cerium sulfate titration method
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard D42
Classification of International Standard 73.060
Word Count Estimation 5,547
Date of Issue 2009-12-04
Date of Implementation 2010-06-01
Older Standard (superseded by this standard) YS/T 556.1-2006
Regulation (derived from) MIIT [2009] No. 66
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies: antimony concentrates Determination of antimony content. This standard applies to the amount of antimony in antimony concentrate measured. Measuring range: 5. 00 % 70. 00%.

YS/T 556.1-2009: Methods for chemical analysis of antimony concentrates. Part 1: Determination of arsenic content. Cerium sulfate titration method


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Methods for chemical analysis of antimony concentrates.Part 1. Determination of arsenic content.Cerium sulfate titration method ICS 73.060 D42 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 556.1-2006 Methods for chemical analysis of antimony concentrates Part 1. Determination of antimony content Cerium sulfate titration 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 556-2009 "Methods for chemical analysis of antimony concentrate," a total of 16 parts. --- Part 1. Determination of antimony content cerium sulfate titration; --- Part 2. Determination of arsenic content potassium bromate titration; --- Part 3. Determination of lead content by flame atomic absorption spectrometry; --- Part 4. Wet water storage Gravimetric method; --- Part 5. Determination of zinc content - Flame atomic absorption spectrometry; --- Part 6. Determination of the amount of selenium by hydride generation - atomic fluorescence spectrometry; --- Part 7. Determination of the amount of mercury atomic fluorescence spectrometry; --- Part 8. Determination of sulfur content - Combustion neutralization method; --- Part 9. Determination of the amount of gold fire assay; --- Part 10. Determination of copper content - Flame atomic absorption spectrometry; --- Part 11. Determination of cadmium content by flame atomic absorption spectrometry; --- Part 12. Determination of bismuth content by flame atomic absorption spectrometry; --- Part 13. Determination of nickel content by flame atomic absorption spectrometry; --- Part 14. Determination of the amount of silver by flame atomic absorption spectrometry; --- Part 15. antimony, tin measured by hydride generation - atomic fluorescence spectrometry; --- Part 16. Determination of antimony metal content by inductively coupled plasma emission spectrometry. This section YS/T 556 - Part 1. "Antimony concentrates - Determination of antimony content" in this section instead of YS/T 556.1-2006 (formerly GB/T 15080.1-1994). Compared with YS/T 556.1-2006, this part of the following changes. --- Measuring cap extending from 65% to 70%; --- Text format has been modified; --- Complements the precision and quality assurance and control provisions. The non-ferrous metal part by the National Standardization Technical Committee and centralized. This section is responsible for drafting unit. tin mine Twinkling Star Antimony Industry Co., Ltd., Beijing General Research Institute of Mining and Metallurgy. This section is drafted. Tin Mine flash-antimony industry limited liability company. Participated in the drafting of this section. Beijing Mining Research Institute, Guangzhou Nonferrous Metal Research Institute, Hunan Chenzhou Mining Co., Ltd. The main drafters of this section. Cuide Hai, Song should ball, Yao Xingnuo, Liao Jingbo, Zhang Wei, Dai Fengying, Wu Shaobo. This part of the standard replaces the previous editions are. --- GB/T 15080.1-1994; --- YS/T 556.1-2006. Methods for chemical analysis of antimony concentrates Part 1. Determination of antimony content Cerium sulfate titration

1 Scope

This section YS/T 556 specifies the method for determination of antimony content in antimony concentrate. This section applies to the determination of antimony content in antimony concentrate. Measurement range. from 5.00% to 70.00%.

2 Method summary

Samples with sulfuric acid - potassium decomposition filter paper made after carbonation reducing agent and co-solvent, in hydrochloric acid medium, add ferric phosphate masking off Son, methyl orange as indicator, at 80 ℃ ~ 90 ℃ titration titration with cerium sulfate standard solution to the red end disappears.

3 Reagents

Unless otherwise indicated, the reagents used in this section refer to water and analytical grade and third grade water. 3.1 potassium sulfate. 3.2 sulfate (ρ1.84g/mL). 3.3 hydrochloride (ρ1.19g/mL). 3.4 Hydrogen peroxide (30%). 3.5 phosphoric acid (ρ1.70g/mL). 3.6 HCl (1 + 1). 3.7 methyl orange indicator (1g/L). 3.8 cerium sulfate standard titration solution [Ba Ce (SO4) 2 about 0.1mol/L]. 3.8.1 preparation. Weigh 40.50g cerium sulfate [Ce (SO4) 2 · 4H2O], placed in 1000mL beaker, add 30mL sulfuric acid (3.2), stir, gradually warming on a hot plate heated solvent into a paste, and take the white smoke of sulfuric acid for about 20min, remove the cooled, sulfur 140mL Acid (3.2), and then slowly added 400mL of water, and stirred to dissolve clear, cooled and transferred to 1000mL volumetric flask, dilute to the mark with water, Mix well. 3.8.2 Calibration. Weigh 0.2500g three pure antimony (Sb≥99.99%), were placed in 300mL Erlenmeyer flask with a small amount of water wet, add Into 12mL sulfuric acid (3.2), heated and dissolved to clear, remove the cooling. The following operations carried out by 5.4.2,5.4.3. Along with the calibration blank test. According to equation (1) calculate the cerium sulfate standard titration solution (3.8) of the actual concentration. ρ = Vp 1- Vp () 0 × 121.76 (1) Where. ρ --- cerium sulfate standard titration solution (3.8) of the actual concentration in units of moles per liter (mol/L); Vp 1 --- cerium sulfate titration antimony consumption standard titration solution (3.8) the volume in milliliters (mL); V0 --- calibration blank solution volume consumed cerium sulfate standard titration solution (3.8) in milliliters (mL); 121.76 --- antimony molar mass in grams per mole (g/mol). Average the three calibration results as cerium sulfate standard titration solution (3.8) of the actual concentration. Cerium sulfate standard parallel calibration consumed Titration solution (3.8) very poor value does not exceed the volume of 0.10mL.

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