YS/T 281.14-2011 English PDFUS$159.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. YS/T 281.14-2011: Methods for chemical analysis of cobalt. Part 14: Determination of carbon content. Infra-red absorption method after high frequency induction furnace combustion Status: Valid YS/T 281.14: Historical versions
Basic dataStandard ID: YS/T 281.14-2011 (YS/T281.14-2011)Description (Translated English): Methods for chemical analysis of cobalt. Part 14: Determination of carbon content. Infra-red absorption method after high frequency induction furnace combustion Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended) Classification of Chinese Standard: H13 Classification of International Standard: 77.120.70 Word Count Estimation: 6,635 Date of Issue: 2011-12-20 Date of Implementation: 2012-07-01 Older Standard (superseded by this standard): YS/T 281.15-1994; YS/T 281.16-1994 Regulation (derived from): ?MIIT Announcement 2011 No.43 Issuing agency(ies): Ministry of Industry and Information Technology Summary: This standard specifies the determination of the carbon content of cobalt. This section applies to the determination of the carbon content of cobalt. Measurement range: 0. 0040% to 0. 20%. YS/T 281.14-2011: Methods for chemical analysis of cobalt. Part 14: Determination of carbon content. Infra-red absorption method after high frequency induction furnace combustion---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 cobalt.Part 14. Determination of carbon content.Infra-red absorption method after high frequency induction furnace combustion ICS 77.120.70 H13 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 281.15-1994 Methods for chemical analysis of cobalt Part 14. Determination of carbon contents High frequency induction furnace combustion infrared absorption method Part 14. Determinationofcarboncontent- Issued on. 2012-07-01 2011-12-20 implementation Ministry of Industry and Information Technology of the People's Republic of China released ForewordYS/T 281 "cobalt chemical analysis method" is divided into the following 20 sections. --- Part 1. Determination of iron content sulfonic acid spectrophotometry --- Part 2. Determination of the amount of chrome aluminum Azure S Spectrophotometry --- Part 3. Determination of silicon content - Molybdenum blue spectrophotometric method --- Part 4. Determination of arsenic content - Molybdenum blue spectrophotometric method --- Part 5. Determination of phosphorus content - Molybdenum blue spectrophotometric method --- Part 6. Determination of magnesium content - Flame atomic absorption spectrometry --- Part 7. Determination of zinc content - Flame atomic absorption spectrometry --- Part 8. Determination of cadmium content by flame atomic absorption spectrometry --- Part 9. Determination of lead content - flame atomic absorption spectrometry --- Part 10. Determination of nickel content by flame atomic absorption spectrometry --- Part 11. Flame atomic copper, manganese content absorption spectrometry --- Part 12. arsenic, antimony, bismuth, tin, lead and determining the amount of electrothermal atomic absorption spectrometry --- Part 13. Determination of sulfur content high frequency induction furnace combustion infrared absorption method --- Part 14. Determination of the amount of carbon high-frequency induction furnace combustion infrared absorption method --- Part 15. arsenic, antimony, bismuth contents - Hydride Generation - Atomic Fluorescence Spectrometry --- Part 16. Determination of DC arc atomic arsenic, cadmium, copper, zinc, lead, bismuth, tin, antimony, silicon, manganese, iron, nickel, aluminum, magnesium content of the emitted light Spectroscopy --- Part 17. aluminum, manganese, nickel, copper, zinc, cadmium, tin, antimony, lead, bismuth content - Inductively Coupled Plasma Mass Spectrometry --- Part 18. Determination of sodium content by flame atomic absorption spectrometry --- Part 19. calcium, magnesium, manganese, iron, cadmium, zinc content - Inductively coupled plasma atomic emission spectrometry --- Part 20. Determination of oxygen content - Impulse - infrared absorption method This section YS/T 281 Part 14. This section drafted in accordance with GB/T 1.1-2009 given rules. The partial replacement of YS/T 281.15-1994 "cobalt chemical analysis of high frequency induction furnace combustion infrared absorption method for the determination of carbon content" and YS/T 281.16-1994 "Methods for chemical analysis of cobalt combustion - coulometric method for the determination of carbon content." And YS/T 281.15-1994 and YS/T 281.16-1994 compared, this section has the following changes. --- Determination of unified high-frequency induction furnace combustion infrared absorption method; --- Text format has been modified, supplemented with quality assurance and control provisions, increase the repeatability limit and reproducibility limit; --- Complement the test reporting requirements. The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) and focal points. This standard is drafted by. Jinchuan Group Co., Ltd., Beijing General Research Institute of Mining and Metallurgy. This section is responsible for drafting unit. Beijing General Research Institute of Mining and Metallurgy. Participated in the drafting of this section. Beijing Nonferrous Metal Research Institute, Jinchuan Group Ltd., Shenzhen High-tech shares have Grammy Limited. The main drafters of this section. Feng advanced color Ruan Gui, Xu Xiaoyan, Zhou Hai income, Chen Ran, Lvqing Cheng, Li Xuemei, Huangxu Jiang, Huang Xiaolan. This part of the standard replaces the previous editions are. --- YS/T 281.15-1994, YS/T 281.16-1994. Methods for chemical analysis of cobalt Part 14. Determination of carbon contents High frequency induction furnace combustion infrared absorption method Warning. Use of this standard shall have a person experiences regular laboratory work. This standard does not point out all possible security issues. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.1 ScopeThis section YS/T 281 provides for determination of carbon content of cobalt. This section applies to the determination of cobalt in carbon content. Measurement range. 0.0040% to 0.20%.2 Method summaryIn the presence of flux, high-frequency induction furnace and the oxygen flow, so that the sample burned at high temperatures, to generate carbon dioxide gas into the red External absorption cell, after which the instrument automatically measure the absorption of infrared energy to calculate and display the results.3 Reagents and materials3.1 scavenger and catalyst 3.1.1 Anhydrous magnesium perchlorate. 3.1.2 caustic soda asbestos. 3.1.3 glass wool. 3.1.4 cotton. 3.1.5 platinized silica gel. 3.2 Flux. carbon tungsten, tin, iron. W Sn Fe = 1g (0.2 ~ 0.25) g 0.1g. 3.3 Crucible. Ceramic crucible (diameter 24mm × 24mm), before use in an oxygen flow greater than 1100 ℃ burning 1h ~ 1.5h, removed Placed in the dryer cooling backup (valid for two days). 3.4 standard sample 3.4.1 Use the sample content and similar cobalt standard sample. No standard sample such as cobalt, can also be used instead of standard samples of steel. 3.4.2 Standard samples cobalt or iron or steel standard sample standard sample. carbon is about 0.002%.4 Instruments and working conditionsHigh-frequency infrared gas analyzer (attached electronic exchange regulator). --- High-frequency furnace power. 1.0kW ~ 2.5kW. --- Frequency. > 6.0MHz. --- Detector sensitivity. ≤1μg/g. ...... |
