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YS/T 984-2014: Determination of boron and phosphorus concent in silicon powder by chemical analysis
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Determination of boron and phosphorus concent in silicon powder by chemical analysis
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YS/T 984-2014
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Basic data | Standard ID | YS/T 984-2014 (YS/T984-2014) | | Description (Translated English) | Determination of boron and phosphorus concent in silicon powder by chemical analysis | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H17 | | Classification of International Standard | 77.040.30 | | Word Count Estimation | 9,915 | | Date of Issue | 10/14/2014 | | Date of Implementation | 4/1/2015 | | Quoted Standard | GB/T 6682-2008 | | 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 the determination of boron in silicon powder, phosphorus content. This Standard applies to the determination of boron content, phosphorus content in silicon powder. Determination of the range of ~ 0.01000% 0.00010% b | YS/T 984-2014: Determination of boron and phosphorus concent in silicon powder by chemical analysis
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Determination of boron and phosphorus concent in silicon powder by chemical analysis
ICS 77.040.30
H17
People's Republic of China Nonferrous Metals Industry Standard
Determination of silicon powder chemical analysis of boron, phosphorus content
Issued on. 2014-10-14
2015-04-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized.
This standard was drafted. Leshan Electric Tianwei Silicon Technology Co., Ltd., Sichuan Xinguang Silicon Technology Co., Ltd., the new special energy
Source Company.
The main drafters of this standard. Wan Yanhui, Zhang, Li Qiang, Yao Shu, Zhoushun Wei, Liang Hong, Océ flat, Huang Bin.
Determination of silicon powder chemical analysis of boron, phosphorus content
Warning --- personnel should use this standard regular laboratory work experience. This standard does not point out all possible security asked
question. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.
1 Scope
This standard specifies the method for the determination of boron in silicon powder, phosphorus content.
This standard applies to the determination of boron content, phosphorus content in the silicon powder. Determination of boron in the range of 0.00010% 0.01000% ~, ~ P 0.00050%
0.01500%.
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.
Laboratory use specifications and test methods GB/T 6682-2008 Analysis
3 Method summary
Silica fume sample with nitric acid, hydrofluoric acid is dissolved under anhydrous conditions in a sample of boron with curcumin color forms a complex in a spectrophotometer
Measured at a wavelength of 550nm absorbance, and calculate the boron content.
Silica fume sample with nitric acid, hydrofluoric acid dissolved in a sample of phosphorus and bismuth nitrate, ammonium molybdate forms a complex color, wavelength spectrophotometer
Measuring the absorbance at 690nm, and calculate the phosphorus content.
4 Reagents and materials
4.1 standard, unless otherwise specified, the use of superior grade pure reagents, test water should be consistent with GB/T 6682-2008 in two water
Claim.
4.2 boric acid (purity reagents).
4.3 potassium dihydrogen phosphate (reference reagent).
4.4 of concentrated sulfuric acid (ρ = 1.84g/mL).
4.5 phosphoric acid (ρ = 0.98g/mL).
4.6 Hydrofluoric acid (ρ = 1.12g/mL).
4.7 hydrochloric acid (ρ = 1.18g/mL).
4.8 nitric acid (ρ = 1.41g/mL).
4.9 perchloric acid (ρ = 1.76g/mL).
4.10 nitric acid (11).
4.11 hydrochloric acid (11).
4.12 hydrochloric acid (15).
4.13 perchloric acid (13).
4.14 ethanol.
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