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GB/T 3884.17-2014: Methods for chemical analysis of copper concentrates -- Part 17: Determination of aluminium oxide content -- Chrome azurol S spectrophotometric method and precipitation separation-fluoride salts device-Na (2) EDTA titrimetric method
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Methods for chemical analysis of copper concentrates -- Part 17: Determination of aluminium oxide content -- Chrome azurol S spectrophotometric method and precipitation separation-fluoride salts device-Na (2) EDTA titrimetric method
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GB/T 3884.17-2014
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Basic data | Standard ID | GB/T 3884.17-2014 (GB/T3884.17-2014) | | Description (Translated English) | Methods for chemical analysis of copper concentrates -- Part 17: Determination of aluminium oxide content -- Chrome azurol S spectrophotometric method and precipitation separation-fluoride salts device-Na (2) EDTA titrimetric method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H13 | | Classification of International Standard | 77.120.60 | | Word Count Estimation | 10,192 | | Date of Issue | 12/5/2014 | | Date of Implementation | 8/1/2015 | | Regulation (derived from) | Announcement of Newly Approved National Standards 2014 No. 27 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Standard specifies the method for determination of copper concentrate in aluminum oxide content. This section applies to the determination of copper concentrates aluminum oxide content. A method for determining the range of 0.20% to 1.00%; range meas | GB/T 3884.17-2014: Methods for chemical analysis of copper concentrates -- Part 17: Determination of aluminium oxide content -- Chrome azurol S spectrophotometric method and precipitation separation-fluoride salts device-Na (2) EDTA titrimetric method
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Methods for chemical analysis of copper concentrates Part 17. Determination of aluminium oxide content Chromazurol S spectrophotometric method and precipitation separation-fluoride salts device-Na (2) EDTA titrimetric method
ICS 77.120.60
H13
National Standards of People's Republic of China
Methods for chemical analysis of copper concentrates
Part 17. Three aluminum oxide contents -
Chromium Azure S Spectrophotometry micellar solubilization and precipitation -
Replacement -Na2EDTA fluoride titration
Part 17. Determinationofaluminiumoxidecontent-
Issued on. 2015-08-01 2014-12-05 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 3884 "Methods for chemical analysis of copper concentrate" is divided into 18 parts.
--- Part 1. Determination of copper content iodometry;
--- Part 2. Determination of the amount of gold and silver by flame atomic absorption spectroscopy and fire assay;
--- Part 3. Determination of sulfur content - Gravimetric and combustion - titration;
--- Part 4. Determination of magnesium oxide content - Flame atomic absorption spectrometry;
--- Part 5. Determination of the amount of fluorine ion selective electrode method;
--- Part 6. Determination by flame atomic lead, zinc, cadmium and nickel absorption spectrometry;
--- Part 7. Determination of lead content Na2EDTA titration;
--- Part 8. Determination of zinc contents Na2EDTA titration;
--- Part 9. Determination of the amount of arsenic and bismuth hydride generation - atomic fluorescence spectrometry, potassium bromate titration and diethyl dithiocarbamate
Acid silver spectrophotometry;
--- Part 10. Determination of antimony content hydride generation - atomic fluorescence spectrometry;
--- Part 11. Determination of mercury content - Cold atomic absorption spectrometry;
--- Part 12. Determination of the amount of fluorine and chlorine ion chromatography;
--- Part 13. Determination of copper content electrolysis;
--- Part 14. Determination of the amount of gold and silver fire assay gravimetric method and atomic absorption spectrometry;
--- Part 15. Determination of iron content dichromate method;
--- Part 16. Determination of the amount of silica potassium fluosilicate titration and gravimetric method;
--- Part 17. alumina amount Chromazurol S Solubilization Spectrophotometric and precipitation - fluoride replacement -
Na2EDTA titration;
--- Part 18. arsenic, antimony, bismuth, lead, zinc, nickel, cadmium, cobalt, magnesium oxide, calcium oxide content - Inductively coupled plasma atomic hair
Emission spectrometry.
This section GB/T 3884 Part 19.
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.
This section is drafted. Zijin Mining Group Co., Ltd. Daye Nonferrous Metals Group Holdings Co., Ltd., Beijing Mining and Metallurgy Research Total
Hospital, Jiangxi Copper Co., Ltd., Tongling Nonferrous Metals Group Holdings Co., Ltd., MCC Huludao Nonferrous Metals Group Co., Ltd., in article
Shan Nonferrous Metals Group Co., Ltd.
The main drafters of this section. summer pearl, Zhongcui Lan, Yu Jinsheng, Ramee show, Ji Long River, Liu hair, Rowan, Ho Mei, Costume Hujun Kai,
Hu continued a ginger seeking Tao Jiang Li, Chen Yuanling, Ma Lijun, Wang Jinping.
Methods for chemical analysis of copper concentrates
Part 17. Three aluminum oxide contents -
Chromium Azure S Spectrophotometry micellar solubilization and precipitation -
Replacement -Na2EDTA fluoride titration
1 Scope
GB/T 3884 This section specifies the method for determination of copper concentrate in aluminum oxide content.
This section applies to copper concentrates Determination of aluminum oxide content. Method for determining the range of 1 to 0.20% to 1.00%; Method 2
Determination of the range of > 1.00% to 5.00%.
2 1 Chromium Azure S micellar solubilization spectrophotometric
2.1 Method summary
Sample with sodium hydroxide and sodium peroxide melt, melt with the flooding, most of copper, iron, nickel, calcium, magnesium, lead, titanium, etc. to precipitate
Forms is removed by filtration. Respectively thiourea, ascorbic acid masking remnants of copper, iron, vanadium eliminate interference with hydroxylamine hydrochloride at pH 5.8 to 6.3
Acetic acid - ammonium acetate buffer solution, aluminum and CAS S- nonionic surfactant polyethylene glycol octylphenyl ether (emulsifier OP) formed Green
Ternary complex, in the spectrophotometer at a wavelength of 610nm, the absorbance was measured with a 1cm cuvette, calculated using the standard curve method trioxide
Aluminum content.
2.2 Reagents
Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled or deionized water or equivalent purity.
2.2.1 sodium peroxide.
2.2.2 sodium hydroxide.
2.2.3 hydrochloric acid (ρ = 1.19g/mL).
2.2.4 hydrochloric acid (11).
2.2.5 hydrochloric acid (15).
2.2.6 hydrochloric acid (119).
2.2.7 hydrochloric acid (1119).
2.2.8 ammonia (16).
2.2.9 Ammonia (1139).
2.2.10 Thiourea (30g/L).
2.2.11 ascorbic acid solution (10g/L). Using now.
2.2.12 hydroxylamine hydrochloride solution (100g/L). Using now.
2.2.13 chrome azure S solution (1g/L). Weigh 0.2g Chromium Azure dissolved in 200mL of ethanol (11) in.
2.2.14 polyethylene glycol octylphenyl ether (emulsifier OP) solution (2998).
2.2.15 acetic acid - ammonium acetate buffer solution (pH 6.3). A 485mL solution of ammonium acetate (4mol/L) solution and 15mL acetic acid
(4mol/L) mixed (Preparation of a solution of ammonium acetate (4mol/L) should be adjusted to pH 7 in).
2.2.16 thymol blue (thymol blue) solution (1g/L). Weigh 0.1g of thymol blue (thymol blue) was dissolved in 100mL ethanol
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