GB/T 14849.6-2014 English PDF

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GB/T 14849.6-2014: Methods for chemical analysis of silicon metal -- Part 6: Determination of carbon -- Infrared absorption method
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Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 14849.6-2014	139	Add to Cart	3 days	Methods for chemical analysis of silicon metal -- Part 6: Determination of carbon -- Infrared absorption method	Valid

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GB/T 20975.1   GB/T 14849.5   GB/T 14849.4   GB/T 14849.3   GB/T 14849.1   GB/T 14849.11   

Basic data

Standard ID: GB/T 14849.6-2014 (GB/T14849.6-2014)
Description (Translated English): Methods for chemical analysis of silicon metal -- Part 6: Determination of carbon -- Infrared absorption method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H12
Classification of International Standard: 77.120.10
Word Count Estimation: 6,668
Date of Issue: 12/5/2014
Date of Implementation: 5/1/2015
Quoted Standard: GB/T 8170
Regulation (derived from): Announcement of Newly Approved National Standards 2014 No. 27
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This Standard specifies Determination of the carbon content of the silicon industry. This Standard is applicable to the determination of carbon content in Silicon measuring range: 0. 010% to 0. 50%.

GB/T 14849.6-2014: Methods for chemical analysis of silicon metal -- Part 6: Determination of carbon -- Infrared absorption 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 sillicon metal Part 6... Determination of carbon Infrared absorption method ICS 77.120.10 H12 National Standards of People's Republic of China The method of chemical analysis of silicon Part 6. Determination of carbon content by infrared absorption method Part 6. Determinationofcarbon-Infraredabsorptionmethod Issued on. 2014-12-05 2015-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 14849 "industrial silicon chemical analysis method" is divided into nine sections. --- Part 1. Determination of iron content 1,10 phenanthroline spectrophotometry; --- Part 2. Determination of aluminum content of chromium Azure -S spectrophotometry; --- Part 3. Determination of calcium content by flame atomic absorption spectrometry, spectrophotometry Chlorophonazo Ⅰ; --- Part 4. Determination of impurity elements inductor coupled plasma atomic emission spectrometry; --- Part 5. Determination of impurity elements in the X-ray fluorescence spectrometry; --- Part 6. Determination of carbon content by infrared absorption method; --- Part 7. Determination of phosphorus content - Molybdenum blue spectrophotometric method; --- Part 8. Determination of copper content PADAP spectrophotometry; --- Part 9. Determination of titanium content of methane antipyrine spectrophotometric method. This section GB/T 14849 Part 6. 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. Kunming Metallurgical Institute New Materials Co., Ltd., Kunming Metallurgy Research Institute, Yunnan Yongchang Silicon Co. Shares the company. Participated in the drafting of this section. Yunnan Entry-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch, Luoyang Sino-silicon High-tech Co., Ltd., Zhejiang Sheng silicon industry. The main drafters of this section. to Zhao, Zhang Yunhui, Zhaode Ping, Ruogu Kang, Zhou Jie, Zhou Yun, Wang Honglei, Xie Qin, Jin Bo, Xiao-Jing Yang, Liuying Bo, Tang Fei, Chen Ketong, Nie Changhong. The method of chemical analysis of silicon Part 6. Determination of carbon content by infrared absorption method

1 Scope

This section GB/T 14849 specifies the method for determination of carbon content in the silicon industry. This section applies to the determination of the carbon content of the silicon industry, measurement range. 0.010% to 0.50%.

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 8170 repair value expressed about the rules and limit values \u200b\u200band judgment

3 Method summary

Sample in the high temperature combustion of the high-frequency induction furnace in an oxygen stream, which impurities are converted to carbon dioxide gas, oxygen gas from the carrier to the infrared detector The measuring chamber, detecting the absorption of specific wavelengths of infrared light intensity, the absorption is proportional to the intensity and concentration of carbon dioxide, according to accept the light detector Varying intensity measured carbon content.

4 Reagents and materials

4.1 oxygen purity of not less than 99.995%. 4.2 flux (mass ratio, W. Sn. Fe = 1.5.0.15.0.3), carbon content less than 0.001%, particle size of 0.5mm ~ 1.0mm. 4.3 Standard sample. certified national standards for sample (carbon content of 0.010% to 0.50%). 4.4 Crucible. special ultra-low carbon and sulfur analysis, previously calcined at 1100 ℃ high temperature muffle furnace in 4h, cooled placed in a desiccator. 4.5 crucible tongs.

5 Instruments

5.1 high-frequency infrared carbon and sulfur analyzer. 5.2 Analytical balance, accuracy of 0.0001g. 5.3 muffle furnace, temperature rating of not less than 1200 ℃.

6 Sample

It should be able to 0.149mm sieve. ......

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