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YS/T 569.9-2015 English PDF

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US$139.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
YS/T 569.9-2015: Methods for chemical analysis of thallium. Part 9: Determination of silicon content. Isoamyl alcohol extraction silicon molybdenum blue spectrophotometry
Status: Valid

YS/T 569.9: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 569.9-2015	139	Add to Cart	3 days	Methods for chemical analysis of thallium. Part 9: Determination of silicon content. Isoamyl alcohol extraction silicon molybdenum blue spectrophotometry	Valid
YS/T 569.9-2006	199	Add to Cart	2 days	Determination of silicon content in the thallium isoamyl alcohol extraction of silicon molybdenum blue photometric	Obsolete

Similar standards

GB/T 4698.17 XB/T 619 YS/T 555.11 YS/T 569.1 YS/T 569.3 YS/T 569.10

Basic data

Standard ID: YS/T 569.9-2015 (YS/T569.9-2015)
Description (Translated English): Methods for chemical analysis of thallium. Part 9: Determination of silicon content. Isoamyl alcohol extraction silicon molybdenum blue spectrophotometry
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H14
Classification of International Standard: 77.120.99
Word Count Estimation: 6,637
Date of Issue: 2015-04-30
Date of Implementation: 2015-10-01
Older Standard (superseded by this standard): YS/T 569.9-2006
Regulation (derived from): Ministry of Industry and Information Technology Announcement (2015 No. 28)
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This Standard specifies the determination of the amount of thallium in silicon. This section applies to the determination of the amount of thallium in silicon. Measuring range: 0.0002% to 0.0015%.

YS/T 569.9-2015: Methods for chemical analysis of thallium. Part 9: Determination of silicon content. Isoamyl alcohol extraction silicon molybdenum blue 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 thallium.Part 9. Determination of silicon content.Isoamyl alcohol extraction silicon molybdenum blue spectrophotometry ICS 77.120.99 H14 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 569.9-2006 Chemical analysis of thallium Part 9. Determination of the amount of silicon Silicon molybdenum blue isoamyl alcohol extraction spectrophotometric method Part 9. Determinationofsiliconcontent- Issued on. 2015-04-30 2015-10-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

YS/T 569 "thallium chemical analysis method" is divided into 10 parts. --- Part 1. Determination of copper content copper reagent chloroform extraction spectrophotometry; --- Part 2. Determination of iron content - Phenanthroline spectrophotometric method; --- Part 3. Determination of mercury content of Diphenylthiocarbazone extraction spectrophotometry; --- Part 4. Determination of zinc content of benzene extraction dithizone spectrophotometry; --- Part 5. Determination of cadmium content of benzene extraction dithizone spectrophotometry; --- Part 6. Determination of lead content of benzene extraction dithizone spectrophotometry; --- Part 7. Determination of the amount of chrome aluminum Azure S Spectrophotometry; --- Part 8. Determination of indium content of crystal violet benzene extraction spectrophotometry; --- Part 9. Determination of the amount of silicon silicon molybdenum blue isoamyl alcohol extraction spectrophotometric method; --- Part 10. Determination of the amount of thallium Na2EDTA titration. This section YS/T 569 Part 9. This section drafted in accordance with GB/T 1.1-2009 given rules. The partial replacement of YS/T 569.9-2006 "Determination of silicon content of thallium (isoamyl alcohol extraction molybdenum blue photometric method)" (formerly GB 2592.9- 1981). This portion of YS/T 569.9-2006 compared to the main changes are as follows. --- Text format has been modified; --- Increased test reporting requirements. The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) and focal points. This section drafted by. China Nonferrous Guilin Research Institute of Geology and Minerals Co. Ltd., Hunan Nonferrous Metals Group Co., Ltd. Shuikoushan lake South Chenzhou City Jingui Silver Industry Co., Ltd., Zhuzhou Smelter Group Co., Ltd., Beijing General Research Institute of Mining and Metallurgy. The main drafters of this section. Yuan Yongmei, Xiongchuan Xin, Yin Changhui, Xiabing Wei, Yan Jianbin, Liao Xiaohui, Yu Hui, to De Lei, Huang Xiaogang, Feng advanced, Gao Ying sword. This part of the standard replaces the previous editions are. --- GB 2592.9-1981; --- YS/T 569.9-2006. Chemical analysis of thallium Part 9. Determination of the amount of silicon Silicon molybdenum blue isoamyl alcohol extraction spectrophotometric method

1 Scope

YS/T 569 This part provides for determination of thallium in silicon content. This section applies to the determination of the amount of thallium in silicon. Measurement range. 0.0002% to 0.0015%.

2 Method summary

After the sample is dissolved in nitric acid, hydrofluoric acid is dissolved with acid insoluble silica, boric acid complex fluorine, at a pH of 2.5 to 3.5 pH, silicon and molybdenum Ammonium generation silicon molybdenum heteropoly acid is isoamyl alcohol extraction in sulfuric acid, sulfuric acid diamide - stannous chloride reduction of silicon molybdenum blue at spectrophotometric Total 630nm wavelength measured absorbance.

3 Reagents

3.1 nitric acid (11), high-purity. 3.2 nitric acid (116), high-purity. 3.3 Hydrofluoric acid (ρ = 1.15g/mL), ultra-pure. 3.4 sulfuric acid (12), high purity. 3.5 sulfuric acid bath. 100mL amount of sulfuric acid (19) in the 125mL separating funnel with 20mL isoamyl alcohol extraction 2min, when used Now equipped. 3.6 saturated solution of boric acid, pure class distinctions. 3.7 Sodium hydroxide solution. 100g/L, pure class distinctions. 3.8 sodium sulfite solution. 20g/L, with a preparation time. 3.9 saturated solution of urea. 3.10 ammonium molybdate solution (120g/L). Weigh excellent pure ammonium molybdate [(NH4) 6Mo7O24 · 4H2O], dissolved in 60 ℃ ~ 80 ℃ hot water After filtration in a plastic bottle. 3.11 citric acid solution (300g/L). 3.12 tartaric acid solution (200g/L). 3.13 hydrazine sulfate solution (5g/L). formulated with sulfuric acid (136). 3.14 stannous chloride solution (100g/L). formulated with hydrochloric acid (11). 3.15 reductant. hydrazine sulfate solution (3.13) and stannous chloride solution (3.14) to 25.1 proportion shake, with the time is now equipped. 3.16 isoamyl alcohol. 3.17 ethanol. 3.18 Silicon Storage standard solution. Weigh 0.2139g pre-ignition at 1000 ℃ 1h and cooled to room temperature, silica (wSiO2≥99.99%) In a platinum crucible, 5g of anhydrous sodium carbonate (excellent pure), shaken at 400 ℃ ~ 500 ℃ dehydrated completely, placed in 1000 ℃ after capping horse Muffle furnace melt 10min ~ 20min, removed, and cooled. Moved Teflon beaker, with boiling water leaching, wash the crucible and the crucible cover, plus ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of YS/T 569.9-2015_English be delivered?

Answer: Upon your order, we will start to translate YS/T 569.9-2015_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 YS/T 569.9-2015_English with my colleagues?

Answer: Yes. The purchased PDF of YS/T 569.9-2015_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. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version YS/T 569.9-2015?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YS/T 569.9-2015 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.