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YS/T 953.2-2014 English PDF

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YS/T 953.2-2014: Methods for chemical analysis of fire smelting nickel substrate material. Part 2: Determination of silicon content. Molybdosilicate blue spectrophotometric method and perchloric acid dehydration gravimetric method
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YS/T 953.2-2014English239 Add to Cart 3 days [Need to translate] Methods for chemical analysis of fire smelting nickel substrate material. Part 2: Determination of silicon content. Molybdosilicate blue spectrophotometric method and perchloric acid dehydration gravimetric method Valid YS/T 953.2-2014

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Basic data

Standard ID YS/T 953.2-2014 (YS/T953.2-2014)
Description (Translated English) Methods for chemical analysis of fire smelting nickel substrate material. Part 2: Determination of silicon content. Molybdosilicate blue spectrophotometric method and perchloric acid dehydration gravimetric method
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H13
Classification of International Standard 77.120.40
Word Count Estimation 9,976
Date of Issue 10/14/2014
Date of Implementation 4/1/2015
Quoted Standard GB/T 20066
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 determination pyrometallurgical nickel substrate of silicon compound of silicon content - Molybdenum blue spectrophotometric method and perchloric acid dehydration gravimetric method. This section applies to the determination o

YS/T 953.2-2014: Methods for chemical analysis of fire smelting nickel substrate material. Part 2: Determination of silicon content. Molybdosilicate blue spectrophotometric method and perchloric acid dehydration gravimetric method



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Methods for chemical analysis of fire smelting nickel substrate material Part 2. Determination of silicon content Molybdosilicate blue spectrophotometric method and perchloric acid dehydration gravimetric method ICS 77.120.40 H13 People's Republic of China Nonferrous Metals Industry Standard Methods for chemical analysis pyrometallurgical nickel substrate material Part 2. determination of silicon content Silicon molybdenum blue spectrophotometric method and perchloric acid dehydration gravimetric method Part 2. Determinationofsiliconcontent- 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 953 "pyro-metallurgical materials for chemical analysis of nickel substrate" is divided into 11 parts. --- Part 1. Determination of the amount of nickel dimethylglyoxime spectrophotometry and dimethylglyoxime gravimetric method; --- Part 2. Determination of the amount of silicon silicon molybdenum blue spectrophotometric method and perchloric acid dehydration gravimetric method; --- Part 3. Determination of phosphorus content of bismuth phosphorus molybdenum blue spectrophotometric method; --- Part 4. Determination of chromium content ammonium ferrous sulfate titration; --- Part 5. Determination of manganese content - Potassium periodate spectrophotometric method; --- Part 6. Determination of cobalt content of 5-Cl-PADAB spectrophotometry and flame atomic absorption spectrometry; --- Part 7. Determination of copper content bicyclic cyclohexanone oxalyl Spectrophotometric Method and flame atomic absorption spectrometry; --- Part 8. Determination of iron content dichromate method; --- Part 9. Carbon and sulfur content was measured high-frequency combustion infrared absorption method; --- Part 10. nickel, chromium, manganese, cobalt, copper, phosphorus content - Inductively coupled plasma atomic emission spectrometry; --- Part 11. lead, arsenic, cadmium, mercury content - Inductively Coupled Plasma Mass Spectrometry. This is Part 2 YS/T 953, wherein the method of arbitration law. 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. Zhongbao Binhai Nickel Industry Co., Ltd. Part 1 Drafted by. Zhongbao Binhai Nickel Industry Co., Ltd. This section 1 involved in the drafting unit. Guangxi Silver billion mining and metallurgy company in Guangdong Province Science and Technology Industrial Technology Research Institute (Guangzhou Nonferrous Metal Research, Hospital), People's Republic of China Changshu Exit Inspection and Quarantine. The main drafters of this Part 1. M Zhou Jian, Liu Xianbin, Baiyan Ru, Cao Guohua, Cuian Fang, Xie Hui, Huang Pu Ying, Zhang Tian Jiao, Liu Feng, Zhang Weiwei. This section Method 2 drafting units. Zhongbao Binhai Nickel Industry Co., Ltd., Shanxi Taigang Stainless Steel. Method 2 involved in the drafting of this section. Beijing Nonferrous Metal Research Institute, People's Republic of China Bayuquan Exit Inspection and Quarantine. The main drafters of this section Method 2. M Zhou Jian, Liu Xianbin, Zheng Jin-Jin, Liu Aikun, Daixue Qian, Wu Jing, Tong Ling, Wang Xiuying, Jiang Xiaoguang. Methods for chemical analysis pyrometallurgical nickel substrate material Part 2. determination of silicon content Silicon molybdenum blue spectrophotometric method and perchloric acid dehydration gravimetric method

1 Scope

YS/T of the provisions of section 953 determination pyrometallurgical nickel substrate compound silicon molybdenum blue spectrophotometric method and perchloric acid dehydration gravimetric method The amount of silicon. This section applies to the determination of pyrometallurgical nickel substrate compound of silicon content. 1 measured in the range of 0.10% to 2.00%; the second measurement method In the range of 0.50% - 6.00%.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 20066 Steel and iron - Sampling and determination of the chemical composition of the sample with a sample preparation method 3 1 silicon molybdenum blue spectrophotometry 3.1 Method summary Samples with sulfur nitrate mixed acid dissolved. In acid medium, silicic acid and ammonium molybdate generation silicon molybdenum heteropoly acid, in the presence of oxalic acid to reduce it to Silicon molybdenum blue at 810nm wavelength spectrophotometer, the absorbance was measured to calculate the amount of silicon. 3.2 Reagents Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled or deionized water or equivalent purity of its water. 3.2.1 sulfuric acid (ρ = 1.84g/mL). 3.2.2 nitric acid (ρ = 1.42g/mL). 3.2.3 sulfur nitrate mixed acid (sulfuric acid. nitric acid. water = 50.8.942). 3.2.4 potassium permanganate solution (40g/L). 3.2.5 Hydrogen peroxide (14). 3.2.6 ammonium molybdate solution (50g/L). 3.2.7 oxalic acid solution (50g/L). 3.2.8 ferrous ammonium sulfate solution (60g/L). 5mL per 100mL containing sulfuric acid. 3.2.9 Silicon standard solution. 3.2.9.1 silicon standard stock solution (100μg/mL). Weigh 0.2140g by burning 1100 ℃ 1h of silica (wSi≥99.9%) Upon platinum crucible, added 8g of anhydrous sodium carbonate, thoroughly mixed, melted at 1050 ℃ for 30min, then cooled to 200mL PTFE Ethylene beaker, and washed with an appropriate amount of water leaching platinum crucible, and then the solution was transferred to 1000mL volumetric flask, dilute to the mark with water, Mix well. Store in a polyethylene bottle. 3.2.9.2 Silicon standard solution (10μg/mL). Pipette 10.00mL silicon standard solution (3.2.9.1) in 100mL polyethylene flask to

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