YS/T 990.14-2014Methods for chemical analysis of copper matte. Part 14: Determination of zinc content. Atomic absorption spectrmetry and NazEDTA titration methods (English PDF)

Foreword

YS/T 990 "Methods for chemical analysis of copper matte" is divided into 18 parts.

--- Part 1. Determination of copper content iodometry;

--- Part 2. Determination of gold and silver atomic absorption spectroscopy and fire assay;

--- Part 3. Determination of sulfur content - Gravimetric method and combustion titration method;

--- Part 4. Determination of the amount of bismuth atomic absorption spectrometry;

--- Part 5. Determination of the amount of fluorine ion selective electrode method;

--- Part 6. Determination of lead content - Atomic absorption spectroscopy and Na2EDTA titration;

--- Part 7. Determination of cadmium content - Atomic absorption spectrometry;

--- Part 8. Determination of arsenic content by hydride generation - atomic fluorescence spectrometry, diethyl dithiocarbamate spectrophotometry silver and potassium bromate titration;

--- Part 9. Determination of iron content dichromate method;

--- Part 10. Determination of silicon dioxide content molybdenum blue spectrophotometric method and silicon potassium fluoride titration;

--- Part 11. Determination of the amount of nickel atom absorption spectrometry;

--- Part 12. Determination of the amount of chromium oxide of aluminum Azure S Spectrophotometry;

--- Part 13. Determination of magnesium oxide content - Atomic absorption spectrometry;

--- Part 14. Determination of the amount of zinc atomic absorption spectrometry and Na2EDTA titration;

--- Part 15. Determination of antimony content - Atomic absorption spectrometry;

--- Part 16. Determination of mercury content - Cold atomic absorption spectrometry;

--- Part 17. Determination of the amount of cobalt atomic absorption spectrometry;

--- Part 18. lead, zinc, nickel, arsenic, bismuth, antimony, calcium, magnesium, cadmium, cobalt content - Inductively coupled plasma atomic emission spectrometry.

This section YS/T Part 14 990.

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. Zhongtiaoshan Nonferrous Metals Group Co., Ltd. Daye Nonferrous Metals Group Holdings Limited.

Part 1 Drafting Unit. Beijing Nonferrous Metal Research Institute.

The unit participated in the drafting Part 1. General Research Institute of Mining and Metallurgy Beijing, People's Republic of China, Ningbo Entry-Yanggu Xiang Light Copper Co., Ltd., Hangzhou Fuchunjiang Smelting Co., Ltd., Tongling Nonferrous Metals Group Holdings Co., Ltd., Yunnan Copper Company Limited.

This section Method 2 drafting units. Zhuzhou Smelter Group Co., Ltd.

This section participated in the drafting Method 2. Beijing General Research Institute of Mining and Metallurgy, Yanggu Yoshimitsu Copper Co., Ltd., Guangzhou Nonferrous Metal Research Institute, cloud Southern Copper Co., Ltd., Hangzhou Fuchunjiang Smelting Co., Ltd.

1 Scope

This section YS/T 990 specifies the method for determination of copper matte zinc content.

This section applies to the determination of copper ice zinc content. 1 measured in the range of 0.20% to 2.00%; Tier 2 measurement range 2.00% - 6.00%.

2 Method 1. atomic absorption spectrometry