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YS/T 276.8-2011 English PDF

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YS/T 276.8-2011: Methods for chemical analysis of indium. Part 8: Determination of bismuth content. Method 1: Hydride generation-atomic fluorescence spectrometry. Method 2: Flame atomic absorption spectrometry
Status: Valid
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YS/T 276.8-2011English259 Add to Cart 3 days [Need to translate] Methods for chemical analysis of indium. Part 8: Determination of bismuth content. Method 1: Hydride generation-atomic fluorescence spectrometry. Method 2: Flame atomic absorption spectrometry Valid YS/T 276.8-2011

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Basic data

Standard ID YS/T 276.8-2011 (YS/T276.8-2011)
Description (Translated English) Methods for chemical analysis of indium. Part 8: Determination of bismuth content. Method 1: Hydride generation-atomic fluorescence spectrometry. Method 2
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H13
Classification of International Standard 77.120.99
Word Count Estimation 10,167
Date of Issue 2011-12-20
Date of Implementation 2012-07-01
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 amount of bismuth indium. This standard applies to the determination of the amount of bismuth indium. Measuring range: 0. 00010% to 0. 0100%.

YS/T 276.8-2011: Methods for chemical analysis of indium. Part 8: Determination of bismuth content. Method 1: Hydride generation-atomic fluorescence spectrometry. Method 2: Flame atomic absorption spectrometry



---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 indium.Part 8. Determination of bismuth content.Method 1. Hydride generation-atomic fluorescence spectrometry.Method 2. Flame atomic absorption spectrometry ICS 77.120.99 H13 People's Republic of China Nonferrous Metals Industry Standard Methods for chemical analysis of indium Part 8. Determination of bismuth content Method 1. Hydride Generation - Atomic Fluorescence Spectrometry Method 2. Flame atomic absorption spectrometry Part 8. Determinationofbismuthcontent- Method1. Hydridegeneration-atomicfluorescencespectrometry- Method2. Flameatomicabsorptionspectrometry Issued on. 2012-07-01 2011-12-20 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

YS/T 276 "indium chemical analysis methods," including a total of 11 parts. --- Part 1. Determination of arsenic content by hydride generation - atomic fluorescence spectrometry; --- Part 2. Determination of tin content Phenylfluorone - bromo cetyl trimethylamine spectrophotometry; --- Part 3. Determination of the amount of thallium methyl green spectrophotometry; --- Part 4. Determination of the amount of chrome aluminum Azure S Spectrophotometry; --- Part 5. Determination of iron content of 1. electrothermal atomic absorption spectrometry Method 2. Flame atomic absorption spectrometry; --- Part 6. copper, cadmium, zinc content - Flame atomic absorption spectrometry; --- Part 7. Determination of lead content by flame atomic absorption spectrometry; --- Part 8. Determination of bismuth content 1. Hydride Generation - Atomic Fluorescence Spectrometry Method 2. Flame atomic absorption spectrometry; --- Part 9. Determination of the amount of indium Na2EDTA titration; --- Part 10. bismuth, aluminum, lead, iron, copper, cadmium, tin, thallium content - Inductively coupled plasma atomic emission spectrometry; --- Part 11. arsenic, aluminum, lead, iron, copper, cadmium, tin, thallium, zinc, bismuth content - Inductively Coupled Plasma Mass Spectrometry. This section is in accordance with the rules of GB/T 1.1 gives drafted. This section YS/T Section 8 276. The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized. This standard is drafted by. Zhuzhou Smelter Group Co., Ltd., Beijing General Research Institute of Mining and Metallurgy. This section is drafted. Zhuzhou Smelter Group Co., Ltd. Participated in the drafting of this section. Co., Ltd., Hunan Nonferrous Metal Research Institute, Guangxi China Tin Group. This section drafters. Zhang Ying, Guo Jun, at Liang, Wang Wei Wei, Lin Zhao letter, Liang Bowen, Huang Mei, Huang Xu, Zhou Chi, Pang Wenlin. Methods for chemical analysis of indium Part 8. Determination of bismuth content Method 1. Hydride Generation - Atomic Fluorescence Spectrometry 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 Scope

This section specifies the determination method Indium bismuth content. This section applies to the determination of indium bismuth content. Determination of the range of 0.00010% to 0.0100%.

2 principle of the method

Samples with hydrochloric acid, nitric acid dissolved in hydrochloric acid medium, bismuth is reduced with sodium borohydride as hydride, import quartz furnace atomizer with argon Measuring the fluorescence intensity of the fluorescence spectrometer, atomic.

3 Reagents

Unless otherwise indicated, used in the analysis confirmed only for the gifted class pure reagents and distilled or deionized water or equivalent purity. Nitrate 3.1 (ρ1.42g/mL). 3.2 hydrochloride (ρ1.19g/mL). 3.3 hydrochloric acid solution (19). 3.4 hydrochloric acid solution (14). 3.5 solution of sodium borohydride (20g/L). Weigh 20g of sodium borohydride dissolved in 1000mL sodium hydroxide solution (5g/L), a shake. Active Now equipped. 3.6 bismuth standard stock solution. Weigh 0.1000g bismuth (w≥99.99%), plus 10mL of nitric acid (3.1), low heat to dissolve completely, Added 90mL of nitric acid (3.1), cooled and transferred to 1000mL volumetric flask with water to volume, and mix. This solution containing 1mL 0.10mg bismuth. 3.7 bismuth standard solution. Pipette 4.00mL bismuth standard stock solution (3.6) in 100mL flask with hydrochloric acid solution (3.4) dilute Release to the mark. This solution 1mL containing 4.0μg bismuth.

4 Instrument

Atomic fluorescence spectrometer, with high-intensity hollow cathode lamp bismuth. Under optimum working conditions, where the index can be used to achieve the following. --- Detection limit. not more than 2 × 10-9g/mL. --- Precision. measure 11 times the fluorescence intensity of bismuth standard solution 0.05μg/mL, the relative standard deviation should not exceed 5.0%.

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