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YS/T 276.3-2011 English PDF

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YS/T 276.3-2011: Methods for chemical analysis of indium. Part 3: Determination of thallium content. Methyl green photometric method
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
YS/T 276.3-2011	English	189	Add to Cart	3 days [Need to translate]	Methods for chemical analysis of indium. Part 3: Determination of thallium content. Methyl green photometric method	Valid	YS/T 276.3-2011

PDF similar to YS/T 276.3-2011

Standard similar to YS/T 276.3-2011

YS/T 252.6 GB/T 3884.2 GB/T 3884.1 YS/T 276.11 YS/T 276.1 YS/T 276.10

Basic data

Standard ID	YS/T 276.3-2011 (YS/T276.3-2011)
Description (Translated English)	Methods for chemical analysis of indium. Part 3: Determination of thallium content. Methyl green photometric method
Sector / Industry	Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard	H13
Classification of International Standard	77.120.99
Word Count Estimation	7,793
Date of Issue	2011-12-20
Date of Implementation	2012-07-01
Older Standard (superseded by this standard)	YS/T 276.3-1994
Regulation (derived from)	?MIIT Announcement 2011 No.43
Issuing agency(ies)	Ministry of Industry and Information Technology
Summary	This standard specifies the determination of indium thallium content. This section applies to the determination of thallium, indium content. 30% of the measuring range of 0. 000 to 0. 100%.

YS/T 276.3-2011: Methods for chemical analysis of indium. Part 3: Determination of thallium content. Methyl green photometric method

---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 3. Determination of thallium content.Methyl green photometric method ICS 77.120.99 H13 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 276.3-1994 Methods for chemical analysis of indium Part 3. Determination of thallium content Methyl green spectrophotometry Part 3. Determinationofthaliumcontent- Issued on. 2011-12-20 2012-07-01 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 drafted in accordance with the rules of GB/T 1.1 is given. This section YS/T Part 3 276. The partial replacement of YS/T 276.3-1994 "indium chemical analysis of methyl green spectrophotometric determination of the amount of thallium Law", and YS/T 276.3- Compared to 1994, this section has the following changes. --- Measuring range extended from 0.0005% ~ .0120 to .00030% to 0.100%; --- Complements the precision, quality assurance and control provisions; --- Complements the "test report" requirement. 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 drafted by. MCC Huludao Nonferrous Metals Group Co., Ltd. Participated in the drafting of this section. Zhuzhou Smelter Group Co., Ltd., Beijing General Research Institute of Mining and Metallurgy. Drafters of this section. Lawrence Lee, Liu Lidong, Liu Limin, Zhou Ankang, Zhang Liping, Zhang Dongguang, Tang Xiuyun, in force. This part of the standard replaces the previous editions are. --- YS/T 276.3-1994; --- GB/T 8221.3-1987. Methods for chemical analysis of indium Part 3. Determination of thallium content Methyl green spectrophotometry 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 YS/T 276 specifies the method for determination of indium thallium content. This section applies to the determination of indium thallium content. Determination of the range of 0.00030% to 0.100%.

2 principle of the method

Sample decomposition with hydrochloric acid, in 0.008mol/L ~ 0.24mol/L solution of hydrogen bromide, thallium and methyl green violet complex generated by Isoamyl acetate extraction, the absorbance is measured in a spectrophotometer at a wavelength of 610nm.

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. 3.1 isoamyl acetate. 3.2 hydrochloric acid (ρ = 1.19g/mL). 3.3 hydrochloric acid solution (11). 3.4 hydrobromide (ρ = 1.42g/mL). 3.5 hydrobromic acid solution (1mol/L). Pipette 75mL hydrobromic acid (3.4), 10mL of saturated bromine water to brown 500mL volumetric flask, washed with water Dilute to volume, and mix. 3.6 sulfosalicylic acid solution (100g/L). 3.7 methyl green solution (5g/L). 3.8 thallium standard stock solution. Weigh 0.2607g thallium nitrate reference reagent, a 50mL beaker, dissolved in water and transferred to 1000mL Volumetric flask, dilute with water to volume, and mix. This solution 1mL containing 200μg thallium. 3.9 Thallium standard solution. Pipette 10.00mL thallium standard stock solution (3.8) in 1000mL volumetric flask, dilute to the mark with water, mix uniform. This solution 1mL containing 2μg thallium.

4 Instrument

Spectrophotometer.

5 Sample

The sample was processed into a side grow up to 3mm in the form of chips.

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