GB/T 4324.19-2012 English PDFUS$169.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 4324.19-2012: Methods for chemical analysis of tungsten -- Part 19: Determination of titanium content -- The diantipyrylmethane photometric spectrophotometry Status: Valid GB/T 4324.19: Historical versions
Basic dataStandard ID: GB/T 4324.19-2012 (GB/T4324.19-2012)Description (Translated English): Methods for chemical analysis of tungsten -- Part 19: Determination of titanium content -- The diantipyrylmethane photometric spectrophotometry Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: H63 Classification of International Standard: 77.120.99 Word Count Estimation: 7,798 Older Standard (superseded by this standard): GB/T 4324.19-1984 Regulation (derived from): National Standards Bulletin No. 41 of 2012 Issuing agency(ies): General Administration of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 the amount of tungsten iron determination. This section applies to tungsten powder, tungsten, tungsten trioxide, tungsten blue, purple, tungsten, tungsten acid, ammonium metatungstate paratungstate and titanium carbide content. 5% GB/T 4324.19-2012: Methods for chemical analysis of tungsten -- Part 19: Determination of titanium content -- The diantipyrylmethane photometric spectrophotometry---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 tungsten Part 19. Determination of titanium content The diantipyrylmethane photometric spectrophtometry. ICS 77.120.99 H63 National Standards of People's Republic of China Replacing GB/T 4324.19-1984 Chemical analysis of tungsten Part 19. Determination of titanium content Two methane antipyrine spectrophotometry Part 19. Determinationoftitaniumcontent- Issued on. 2012-12-31 2013-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordGB/T 4324 "chemical analysis of tungsten" is divided into 28 parts. --- Part 1. Determination of lead content - flame atomic absorption spectrometry; --- Part 2. Determination of bismuth content hydride generation atomic absorption spectrometry; --- Part 3. Determination of tin content hydride generation atomic absorption spectrometry; --- Part 4. Determination of antimony content hydride generation atomic absorption spectrometry; --- Part 5. Determination of arsenic content by hydride generation atomic absorption spectrometry; --- Part 6. Determination of iron content of phenanthroline spectrophotometry; --- Part 7. Determination of cobalt content by inductively coupled plasma atomic emission spectrometry; --- Part 8. Determination of the amount of nickel by inductively coupled plasma atomic emission spectrometry and flame atomic absorption spectrometry Diacetyldioxime Gravimetric method; --- Part 9. Determination of cadmium content by inductively coupled plasma atomic emission spectrometry and flame atomic absorption spectrometry; --- Part 10. Determination of copper content - Flame atomic absorption spectrometry; --- Part 11. Determination of aluminum content by inductively coupled plasma atomic emission spectrometry; --- Part 12. Determination of the amount of silicon tetrachloride - molybdenum blue spectrophotometric method; --- Part 13. Inductively coupled plasma calcium atomic emission spectrometry; --- Part 14. Chlorinated Volatile residue amount after Gravimetric method; --- Part 15. Determination of magnesium content - Flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry; --- Part 16. Determination of loss on ignition - Gravimetric method; --- Part 17. Determination of sodium content by flame atomic absorption spectrometry; --- Part 18. Determination of potassium content by flame atomic absorption spectrometry; --- Part 19. Determination of titanium content of two methane antipyrine spectrophotometry; --- Part 20. vanadium content - Inductively coupled plasma atomic emission spectrometry; --- Part 21. Determination of chromium content by inductively coupled plasma atomic emission spectrometry; --- Part 22. manganese content - Inductively coupled plasma atomic emission spectrometry; --- Part 23. Determination of sulfur content of combustion conductance method and frequency combustion infrared absorption method; --- Part 24. Determination of phosphorus content - Molybdenum blue spectrophotometric method; --- Part 25. Determination of oxygen pulse heating inert gas fusion - infrared absorption method; --- Part 26. Determination of nitrogen pulse heating inert gas fusion - thermal conductivity method and Nessler reagent spectrophotometric method; --- Part 27. Determination of carbon content in the high-frequency combustion infrared absorption method; --- Part 28. Determination of molybdenum content - Thiocyanate spectrophotometric method. This section GB/T Part of 194,324. This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB/T 4324.19-1984 "chemical analysis of tungsten titanium content determination in two antipyrine methane." This section Compared with GB/T 4324.19-1984, main technical changes are as follows. --- Scope to add a "blue tungsten, tungsten purple, ammonium paratungstate and tungsten carbide"; --- Measured by the number of "Weigh triplicate determination" to "independently measured twice"; --- Supplementary terms of precision; --- Added "preface" and content "Test Report", a standard format and made editorial changes. The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized. This section is drafted. Northwest Nonferrous Metal Research Institute, West An Kaili Chemical Co., Ltd. Western Metal Materials Co., Ltd., Ganzhou Nonferrous Metallurgy Research Institute, Shenzhen High-tech Co., Ltd. Grammy, Baoji Titanium Group Limited. The main drafters of this section. Sunbao Lian, Li Bo, Yang Chang Ying, Zhou Kai, Zhang Xiang, Yang Pingping, Zhang Bin, Zhai through Germany, had Hua Ling, Liu Cong, Julie, Wen Yongzhong. This part of the standard replaces the previous editions are. --- GB/T 4324.19-1984. Chemical analysis of tungsten Part 19. Determination of titanium content Two methane antipyrine spectrophotometry1 ScopeGB/T 4324 provisions of this part of the determination of the amount of titanium and tungsten. This Part applies to tungsten powder, tungsten trioxide, tungsten, tungsten blue, purple tungsten, tungsten acid, ammonium metatungstate, ammonium paratungstate determination of titanium content and carbide. Determination of the range of 0.0005% to 0.012%.2 Method summarySample decomposition with sodium hydroxide (tungsten powder, tungsten, tungsten blue, purple and tungsten carbide pre-treated with hydrogen peroxide decomposition), as the carrier with iron hydroxide The main body and the separation of tungsten, the insoluble residues and hydroxide precipitate together with the filter paper together in a porcelain crucible after ashing with potassium pyrosulfate melt, melt block salt Acid - a mixture of ammonium tartrate leaching of iron (Ⅲ) plus ascorbic acid interference can be eliminated. Titanium with two methane antipyrine to form a stable Yellow complex is measured at 395nm wavelength spectrophotometer absorbance.3 ReagentsUnless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled or deionized water or equivalent purity. 3.1 potassium pyrosulfate (excellent pure). 3.2 Hydrogen peroxide (ρ = 1.10g/mL), pure class distinctions. 3.3 Sodium hydroxide solution (150g/L), with a superior grade of pure sodium hydroxide formulated. 3.4 ascorbic acid solution (100g/L). 3.5 two methane antipyrine solution (50g/L). 5g two antipyrine methane dissolved in 100mL of hydrochloric acid (19) in. Formulated with time. HCl 3.6 - Ammonium tartrate mixture. 100mL 16mL solution contains hydrochloric acid (ρ = 1.19g/mL) and 4g ammonium tartrate. 3.7 iron solution. Weigh 0.863g ferric ammonium sulfate [FeNH4 (SO4) 2 · 12H2O] were dissolved in 100mL of water, and the solution containing 1mL 1mg iron. 3.8 ammonia washings (199). 3.9 Titanium standard stock solution. Weigh 0.1668g previously burning at 600 ℃ to constant weight of titanium dioxide (wTiO2≥99.99%), placed stone English crucible. Was added 2g of potassium pyrosulfate to melt at 600 ℃ transparent, cooled, transferred to the frit 200mL beaker, add 20mL sulfur Acid (11) was dissolved frit, until completely dissolved and transferred to 1000mL volumetric flask, dilute with water to volume, and mix. This solution containing 1mL 100μg titanium. 3.10 Titanium standard solution. Pipette 10.00mL titanium standard stock solution (3.9) in 100mL volumetric flask, dilute sulfuric acid (119) to Volume, and mix. This solution 1mL containing 10μg titanium.4 InstrumentSpectrophotometer. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 4324.19-2012_English be delivered?Answer: Upon your order, we will start to translate GB/T 4324.19-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 4324.19-2012_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 4324.19-2012_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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