YS/T 990.3-2014 English PDF

US$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
YS/T 990.3-2014: Methods for chemical analysis of copper matte. Part 3: Determination of sulfur content. Gravimetric method and combustion titration method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 990.3-2014	259	Add to Cart	3 days	Methods for chemical analysis of copper matte. Part 3: Determination of sulfur content. Gravimetric method and combustion titration method	Valid

Similar standards

YS/T 953.9   GB/T 3884.2   GB/T 3884.1   YS/T 990.11   YS/T 990.1   YS/T 990.10   

Basic data

Standard ID: YS/T 990.3-2014 (YS/T990.3-2014)
Description (Translated English): Methods for chemical analysis of copper matte. Part 3: Determination of sulfur content. Gravimetric method and combustion titration method
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H13
Classification of International Standard: 77.120.30
Word Count Estimation: 10,171
Date of Issue: 10/14/2014
Date of Implementation: 4/1/2015
Regulation (derived from): People's Republic of China Ministry of Industry and Information Technology Notice 2014 No. 63; Industry Standard Filing Notice 2014 No. 12 (Overall No. 180)
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This Standard specifies the method for determination of sulfur in copper matte. This section applies to the determination of copper in ice sulfur content. 1 measuring range of 13.00% - 26.00%; Tier 2 measuring range of 11.00% ~ 23.00%.

YS/T 990.3-2014: Methods for chemical analysis of copper matte. Part 3: Determination of sulfur content. Gravimetric method and combustion titration 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 copper matte Part 3. Determination of sulfur content Gravimetric method and combustion titration method ICS 77.120.30 H13 People's Republic of China Nonferrous Metals Industry Standard Matte chemical analysis Part 3. determination of sulfur content Gravimetric and combustion titration method Part 3. Determinationofsulfurcontent- Issued on. 2014-10-14 2015-04-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

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 spectrometry 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 3 990. Part 1 of this arbitration method. 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. Guangzhou Nonferrous Metal Research Institute. Part 1 participated in the drafting unit. Tongling Nonferrous Metals Group Holdings Co., Ltd., Yunnan Copper Co., Ltd., silver colored Group Co., Ltd., Zhuzhou Smelter Group Co., Zhongtiaoshan Nonferrous Metals Group Co., Ltd. Daye Nonferrous Metals Group control Holdings Limited, Hangzhou Fuchunjiang Smelting Co., Ltd. This section Method 2 drafting units. Beijing General Research Institute of Mining and Metallurgy. Method 2 of this section participated in the drafting unit. Tongling Nonferrous Metals Group Holdings Co., Ltd., Yunnan Copper Co., Ltd., silver colored Group Co., Ltd., Zhuzhou Smelter Group Co., Zhongtiaoshan Nonferrous Metals Group Co., Ltd. Daye Nonferrous Metals Group control Holdings Limited, Yanggu Yoshimitsu Copper Co., Ltd., Shandong constant state Smelting Company. The main drafters of this Part 1. Daifeng Ying, Xie Hui, Zhang Ting, Wang Jinping, Wu Zhiqing, Zheng Wenying, aging-ling, Xu Yan, Tiffany Leong, Jiang Qing, Zhang Cai sticks, Min Jiao Zan, Hujun Kai, Miss Li, Zhang Liao, Jin Ling. The main drafters of this section Method 2. Xu Xiaoyan, advanced Feng, Wang Jinping, Wang real rich, Wu Zhiqing, Zheng Wenying, Lu army, Zhaorui Juan, Liang Lifang, Jiang Qing, Wu Hong, Xia Lihong, Chen Chen, Lin, million pairs, Liujun Xia, Magofuku red, Luan sea of light. Matte chemical analysis Part 3. determination of sulfur content Gravimetric and combustion titration method

1 Scope

This section YS/T 990 specifies the method for determination of copper matte sulfur content. This section applies to the determination of copper ice sulfur content. 1 measured in the range of 13.00% - 26.00%; Tier 2 measurement range 11.00% ~ 23.00%. 2. Method 1. Gravimetric method 2.1 Method summary After the sample sodium carbonate, zinc oxide, potassium permanganate semi-molten, dissolved in water soluble at 750 ℃, barium chloride in acidic solution with Sulfate solution. The precipitate was filtered, after burning weighed mass of barium sulfate in a sample calculation of the mass fraction of sulfur. 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 Flux. Ten parts of anhydrous sodium carbonate and the eleven parts of zinc oxide, a mixed potassium permanganate, fine, and mix. 2.2.2 hydrochloric acid (11). 2.2.3 nitric acid (ρ = 1.42g/mL). 2.2.4 sodium carbonate solution (20g/L), filtered to use. 2.2.5 aluminum chloride solution (100g/L), filtered to use. 2.2.6 citric acid solution (200g/L), filtered to use. 2.2.7 barium chloride solution (20g/L), filtered to use. 2.2.8 silver nitrate solution (10g/L). Weigh 0.5g of silver nitrate, with no chlorine ions dissolved in distilled water and diluted to 50mL, mixing, storage Stored in a brown bottle, add 1 drop to 2 drops of nitric acid (2.2.3). 2.2.9 ethanol. 2.2.10 methyl orange solution (1g/L). 2.3 Sample 2.3.1 Sample size not greater than 100μm. 2.3.2 Sample advance 105 ℃ ± 5 ℃ baking 1h, placed in a desiccator, cool to room temperature. 2.4 Analysis Steps 2.4.1 Sample Weigh 0.20g sample, accurate to 0.0001g. 2.4.2 Determination of the number of Independently measured twice and averaged. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of YS/T 990.3-2014_English be delivered?

Answer: Upon your order, we will start to translate YS/T 990.3-2014_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of YS/T 990.3-2014_English with my colleagues?

Answer: Yes. The purchased PDF of YS/T 990.3-2014_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.