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YS/T 953.3-2014: Methods for chemical analysis of nickel substrate material. Part 3: Determination of phosphorus content. Bismuth phosphomolybdate blue spectrophotometric method
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Methods for chemical analysis of nickel substrate material. Part 3: Determination of phosphorus content. Bismuth phosphomolybdate blue spectrophotometric method
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YS/T 953.3-2014
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Basic data | Standard ID | YS/T 953.3-2014 (YS/T953.3-2014) | | Description (Translated English) | Methods for chemical analysis of nickel substrate material. Part 3: Determination of phosphorus content. Bismuth phosphomolybdate blue spectrophotometric method | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H13 | | Classification of International Standard | 77.120.40 | | Word Count Estimation | 8,880 | | 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 bismuth phosphomolybdate blue spectrophotometric determination of phosphorus content pyrometallurgical nickel substrate compound of. This section applies to the determination of pyrometallurgical nickel substrate compound of ph | YS/T 953.3-2014: Methods for chemical analysis of nickel substrate material. Part 3: Determination of phosphorus content. Bismuth phosphomolybdate blue spectrophotometric method
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Methods for chemical analysis of nickel substrate material Part 3. Determination of phosphorus content Bismuth phosphomolybdate blue spectrophotometric method
ICS 77.120.40
H13
People's Republic of China Nonferrous Metals Industry Standard
Methods for chemical analysis pyrometallurgical nickel substrate material
Part 3. determination of phosphorus content
Bismuth phosphomolybdate blue spectrophotometry
Part 3. Determinationofphosphoruscontent-
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 section YS/T Part 3 953.
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.
This section is drafted. Zhongbao Binhai Nickel Industry Co., Ltd., Henan Monash Technology Co., Ltd.
This section involved in the drafting. Guangdong Industrial Technology Research Institute (Guangzhou Nonferrous Metal Research Institute), Shanxi Taigang Stainless Steel Co. Shares
the company.
The main drafters of this section. M Zhou Jian, Liu Xianbin, Zhangxu Ping, Political Civilization, Sun Huinuo, Dai Fengying, Daniel Chan, Wu Jing, Liu Aikun,
Guo Mingjian.
Methods for chemical analysis pyrometallurgical nickel substrate material
Part 3. determination of phosphorus content
Bismuth phosphomolybdate blue spectrophotometry
1 Scope
YS/T of the provisions of section 953 of the bismuth phosphomolybdate blue spectrophotometry pyrometallurgical nickel substrate compound of phosphorus.
This section applies to the determination of pyrometallurgical nickel substrate compound of phosphorus content. Determination range of 0.0050% to 0.150%.
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 Method summary
Samples with hydrochloric acid, nitric acid, hydrofluoric acid decomposition with perchloric smoke rush fluorine and phosphoric acid partial oxidation of ortho-phosphoric acid. In sulfuric acid, phosphorus
With ammonium molybdate forming bismuth phosphorus molybdenum yellow, with ascorbic acid as a reducing agent, will revert to yellow bismuth phosphomolybdate bismuth phosphomolybdate blue. Spectrophotometer 690nm wave
Strengths measured absorbance, calculate the amount of phosphorus.
4 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.
4.1 ethanol.
4.2 nitric acid (ρ = 1.42g/mL).
4.3 hydrochloric acid (ρ = 1.19g/mL).
4.4 Hydrofluoric acid (ρ = 1.15g/mL).
4.5 perchloric acid (ρ = 1.67g/mL).
Aqueous ammonia 4.6 (ρ = 0.91g/mL).
4.7 sulfate (11).
4.8 sulfate (14).
4.9 phenolphthalein indicator (5g/L). 2.5g phenolphthalein dissolved in 500mL ethanol (4.1) in.
4.10 bismuth nitrate solution (10g/L). Weigh 10g of bismuth nitrate [Bi (NO3) 3 · 5H2O] in 400mL beaker, add 25mL of nitric acid
(4.2), heated to dissolve, adding about 100mL of water, heated to expel the nitrogen oxides, 100mL added sulfuric acid (4.7), cooled to room temperature, diluted with water
Diluted to 1000mL, and mix.
4.11 ammonium molybdate solution (24g/L). Weigh 12g of ammonium molybdate [(NH4) 6Mo7O24 · 4H2O] was dissolved in 500mL boiling water.
4.12 ascorbic acid solution (20g/L). Weigh 2g ascorbic acid dissolved in 50mL water, and 50mL of ethanol (4.1), mix (preparation when used).
4.13 Phosphorus standard solution.
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