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YS/T 1046.1-2015 (YST 1046.1-2015)

YS/T 1046.1-2015_English: PDF (YST1046.1-2015)
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YS/T 1046.1-2015English139 Add to Cart Days<=3 Methods for chemical analysis of copper slag concentrates. Part 1: Determination of copper content. Iodine titration method YS/T 1046.1-2015 Valid YS/T 1046.1-2015
 

BASIC DATA
Standard ID YS/T 1046.1-2015 (YS/T1046.1-2015)
Description (Translated English) Methods for chemical analysis of copper slag concentrates. Part 1: Determination of copper content. Iodine titration method
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H13
Classification of International Standard 77.120.60
Word Count Estimation 6,663
Date of Issue 2015-04-30
Date of Implementation 2015-10-01
Drafting Organization Daye Nonferrous Metals Group Holding Co
Administrative Organization National Standardization Technical Committee for Nonferrous Metals
Regulation (derived from) Ministry of Industry and Information Technology Announcement (2015 No. 28)
Issuing agency(ies) Ministry of Industry and Information Technology of the People's Republic of China
Summary This Standard specifies the method for determination of copper slag copper content of the concentrate. This Standard applies to the determination of copper slag copper content of the concentrate was measured in the range of 13.00% ~ 40.00%.

YS/T 1046.1-2015
(Chemical analysis of copper slag concentrates - Part 1. Determination of copper content iodimetry)
ICS 77.120.60
H13
People's Republic of China Nonferrous Metals Industry Standard
Methods for chemical analysis of copper concentrates Slag
Part 1. Determination of copper content
Iodimetry
Part 1. Determinationofcoppercontent-
Issued on. 2015-04-30
2015-10-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
YS/T 1046-2015 "copper slag concentrates chemical analysis method" is divided into seven sections.
--- Part 1. Determination of copper content iodometry;
--- Part 2. Determination of gold and silver atomic absorption spectroscopy and fire assay gravimetric method;
--- Part 3. Determination of sulfur content of combustion titration method;
--- Part 4. Determination of iron content dichromate method;
--- Part 5. Determination of the amount of silica silicon potassium fluoride titration;
--- Part 6. aluminum oxide content - Inductively coupled plasma atomic emission spectrometry;
--- Part 7. arsenic, antimony, bismuth, lead, zinc, magnesium oxide content - Inductively coupled plasma atomic emission spectrometry.
This is Part 1.
This section drafted in accordance with GB/T 1.1-2009 given rules.
The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized.
This section is responsible for drafting unit. Daye Nonferrous Metals Group Holdings Limited, Zhongtiaoshan Nonferrous Metals Group Co., Ltd.
This section is drafted. Daye Nonferrous Metals Group Holdings Limited.
Participated in the drafting of this section. In the mountains of Nonferrous Metals Group Co., Ltd., Tongling Nonferrous Metals Group Holdings Co., Ltd., Beijing Mining and Metallurgy
Research Institute, Beijing Nonferrous Metal Research Institute, Jiangxi Copper Company Limited, Hunan Nonferrous Metal Research Institute.
The main drafters of this Part. Costume Shi Xiaoying, Hu Shuai, Zhang Guanghua, Min Jiao Zan, and from Shao, Chen Huiwen, Quine Lijun, Li Min, Yang Fei,
Bing, Wang Furong, Wang Jing, Yang Xiaoting, Pang Wenlin.
Methods for chemical analysis of copper concentrates Slag
Part 1. Determination of copper content
Iodimetry
1 Scope
This section YS/T 1046 specifies the method for determination of copper slag copper content of the concentrate.
This section applies to the determination of copper concentrate copper slag content was measured in the range of 13.00% ~ 40.00%.
2 Method summary
Samples with hydrochloric acid, nitric acid, perchloric acid, sulfuric acid and dissolved, a solution of ammonium acetate solution adjusted with a pH of 3.0 to 4.0, ammonium hydrogen fluoride
Masking iron, potassium iodide and cupric role precipitated iodine with starch as indicator, titration solution of sodium thiosulfate standard titration.
3 Reagents
Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled or deionized water or equivalent purity.
3.1 Copper (wCu≥99.999%). metal copper into the micro-boiling acetic acid (3.14), the micro-boiling 1min, after removing water and ethanol
(3.4) were rinsed twice more, bake 4min, cooling, grinding jar is placed in standby 105 ℃ ± 5 ℃ oven.
3.2 potassium iodide.
3.3 ammonium hydrogen fluoride.
3.4 ethanol.
3.5 chloroform.
3.6 bromine.
3.7 hydrochloric acid (ρ = 1.19g/mL).
3.8 nitric acid (ρ = 1.42g/mL).
3.9 nitric acid (11).
3.10 sulfate (ρ = 1.84g/mL).
Sulfuric acid 3.11 (11).
3.12 perchloric acid (ρ = 1.67g/mL).
3.13 Glacial acetic acid (ρ = 1.05g/mL).
Acetic acid 3.14 (13).
3.15 iodine solution (0.04mol/L).
3.16 sodium carbonate solution (4g/L).
3.17 saturated solution of ammonium fluoride (stored in polyethylene bottles).
3.18 saturated ammonium acetate solution.
3.19 potassium thiocyanate solution (100g/L). Weigh 10g of potassium thiocyanate in the 400mL beaker, dissolved in water and diluted to 100mL. plus
Into 2g of potassium iodide (3.2) dissolved, 2mL starch solution (3.21), while shaking side drops of iodine solution (3