YS/T 539.11-2009 English PDFYS/T 539.11: Historical versions
Basic dataStandard ID: YS/T 539.11-2009 (YS/T539.11-2009)Description (Translated English): Methods for chemical analysis of nickel base alloy powder. Part 11: Determination of tungsten content. Cinchonine gravimetric analysis Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended) Classification of Chinese Standard: H71;H14 Classification of International Standard: 77.120.40 Word Count Estimation: 6,683 Date of Issue: 2009-12-04 Date of Implementation: 2010-06-01 Older Standard (superseded by this standard): YS/T 539.11-2006 Regulation (derived from): MIIT [2009] No. 66 Issuing agency(ies): Ministry of Industry and Information Technology Summary: This standard specifies the nickel- base alloy powder method for determination of tungsten. This standard applies to nickel-base alloy powder of tungsten content, measuring range: 1% to 15%. YS/T 539.11-2009: Methods for chemical analysis of nickel base alloy powder. Part 11: Determination of tungsten content. Cinchonine gravimetric analysis---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 nickel base alloy powder.Part 11. Determination of tungsten content.Cinchonine gravimetric analysis ICS 77.120.40 H71 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 539.11-2006 Nickel-based alloy powder chemical analysis Part 11. Determination of the amount of tungsten Cinchonine gravimetric method Posted 2009-12-04 2010-06-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released ForewordYS/T 539 "nickel-based alloy powder chemical analysis method" is divided into 13 parts. --- Part 1. Determination of the amount of boron acid-base titration; --- Part 2. Determination of the amount of chrome aluminum Azure S Spectrophotometry; --- Part 3. Determination of silicon content of perchloric acid dehydration gravimetric method; --- Part 4. Determination of chromium content of ammonium persulfate oxidation titration; --- Part 5. Determination of manganese content of sodium periodate (K) oxidation spectrophotometry; --- Part 6. Determination of iron content of titanium trichloride - potassium dichromate titration; --- Part 7. Determination of cobalt content nitroso R salt spectrophotometric method; --- Part 8. Determination of copper content Neocuproine - chloroform extraction spectrophotometric method; --- Part 9. Determination of copper content of sodium thiosulfate iodometry; --- Part 10. Determination of molybdenum content - Thiocyanate spectrophotometric method; --- Part 11. Determination of cinchonine gravimetric method tungsten content; --- Part 12. Determination of phosphorus content of n-butyl alcohol - chloroform extraction spectrophotometric method; --- Part 13. Determination of oxygen pulse heating inert gas fusion - infrared absorption method. This section is YS/T 539 Part 11. The partial replacement of YS/T 539.11-2006 "Determination of tungsten content of nickel base alloy powder chemical analysis of cinchonine gravimetric method." This portion of YS/T 539.11-2006 phase comparator major changes are as follows. --- Increasing the foreword; --- Complements the repeatability limit. The non-ferrous metal part by the National Standardization Technical Committee and centralized. This section is responsible for drafting unit. Beijing Nonferrous Metal Research Institute, China Nonferrous Metals Industry Institute of Standards and Metrology and Quality. This section is drafted. Beijing Nonferrous Metal Research Institute, Steel Research Institute. The main drafters of this section. Tong Ling, Plant Protection], Hu Xiaoyan. This part of the standard replaces the previous editions are. --- GB/T 8638.11-1988; --- YS/T 539.11-2006. Nickel-based alloy powder chemical analysis Part 11. Determination of the amount of tungsten Cinchonine gravimetric method1 ScopeYS/T 539 This part specifies the method for determination of nickel-base alloy powder of tungsten content. This section applies to the determination of nickel base alloy powder of tungsten content measurement range. 1% to 15%.2 Method summaryThe sample is dissolved by acid in the hydrochloric acid solution, the nitric oxide, tungsten to form a precipitate tungstic acid, tungsten acid caprylate Ning complete precipitation, filtration, Burning, in addition to the volatile silicon with hydrofluoric acid, and then burning, weighing, tungsten trioxide is impure quality. With sodium carbonate melt, hot water after taking dissolved filtration, Determination of the amount of molybdenum trioxide filtrate insoluble residue burning weighing, never pure tungsten oxide quality subtracting these oxide mass, that is, pure oxide Quality tungsten.3 ReagentsUnless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled or deionized water or equivalent purity. 3.1 anhydrous sodium carbonate. 3.2 hydrochloride (ρ1.19g/mL). Nitrate 3.3 (ρ1.42g/mL). 3.4 Hydrofluoric acid (ρ1.15g/mL). 3.5 perchloric acid (ρ1.69g/mL). 3.6 HCl (1 + 1). 3.7 sulfate (1 + 1). 3.8 phosphoric acid (1 + 1). Ammonia 3.9 (1 + 1). 3.10 copper sulphate solution (10g/L). 3.11 ammonium carbonate solution (50g/L). 3.12 ammonium citrate solution (500g/L). 3.13 ammonium thiocyanate solution (500g/L). 3.14 thiourea solution (50g/L). Weigh 5g of thiourea was dissolved in 100mL boiling water. 3.15 cinchonine solution (125g/L). Weigh 12.5g cinchonine, dissolved and diluted to 100mL with hydrochloric acid (3.6). 3.16 cinchonine lotion (3.75g/L). Pipette 30mL cinchonine solution (3.15), diluted with water to 1000mL. 3.17 Mo standard stock solution. Weigh 0.2000g pure molybdenum ((Mo) ≥99.99%), plus a small amount of nitric acid (3.3) dissolved, add 10mL sulfur Acid (3.7) and heated to take the fuming sulfuric acid, dissolved after cooling with water moved into 1000mL volumetric flask, dilute with water to volume, and mix. This solution 1mL containing 200μg molybdenum. 3.18 Molybdenum standard solution. Pipette 25.00mL molybdenum standard stock solution (3.17), in 100mL volumetric flask, dilute to the mark, mix uniform. This solution 1mL containing 50μg molybdenum.4 InstrumentSpectrophotometer. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of YS/T 539.11-2009_English be delivered?Answer: Upon your order, we will start to translate YS/T 539.11-2009_English as soon as possible, and keep you informed of the progress. The lead time is typically in 9 seconds (download/delivered in 9 seconds). The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of YS/T 539.11-2009_English with my colleagues?Answer: Yes. The purchased PDF of YS/T 539.11-2009_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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