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YS/T 917-2013 English PDF

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YS/T 917-2013: Chemical analysis methods for high purity cadmium.Determination of trace impurity elements content.Glow discharge mass spectrometry
Status: Valid
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YS/T 917-2013English189 Add to Cart 3 days [Need to translate] Chemical analysis methods for high purity cadmium.Determination of trace impurity elements content.Glow discharge mass spectrometry Valid YS/T 917-2013

PDF similar to YS/T 917-2013


Standard similar to YS/T 917-2013

YS/T 910   GB/T 3884.2   GB/T 3884.1   YS/T 923.1   YS/T 922   

Basic data

Standard ID YS/T 917-2013 (YS/T917-2013)
Description (Translated English) Chemical analysis methods for high purity cadmium.Determination of trace impurity elements content.Glow discharge mass spectrometry
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H13
Classification of International Standard 77.120.70
Word Count Estimation 7,734
Regulation (derived from) Ministry of Industry and Information Technology Bulletin No. 52, 2013; industry standard for filing Notice No. 1 of 2014 (No. 169 overall)
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the method for the determination of trace elements in high purity blessing with pots, measuring elements are shown in Table 1. This standard applies to Trace Impurities in high purity cadmium-containing side full set. Determination

YS/T 917-2013: Chemical analysis methods for high purity cadmium.Determination of trace impurity elements content.Glow discharge mass spectrometry


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Chemical analysis methods for high purity cadmium.Determination of trace impurity elements content.Glow discharge mass spectrometry ICS 77.120.70 H13 People's Republic of China Nonferrous Metals Industry Standard Methods for chemical analysis of high purity cadmium Determination of trace elemental content Glow Discharge Mass Spectrometry Issued on. 2013-10-17 2014-03-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard is drafted by. Dongfang Electric Group Emei Semiconductor Materials Research Institute, Ltd. Guangdong pilot dilute material. Participated in the drafting of this standard. Beijing Nonferrous Metal Research Institute, New Material Technology Co., Ltd. Jinchuan. The main drafters of this standard. Wang Panfeng, Wenying, Sun Ping, Zhu Liu, Zhu Chan Fang, Liu, Qiu Ping, Xu Shunbo. Methods for chemical analysis of high purity cadmium Determination of trace elemental content Glow Discharge Mass Spectrometry

1 Scope

This standard specifies the method for the determination of trace elements in high purity cadmium content, the determination of elements in Table 1. This standard applies to the determination of trace elements in high purity cadmium content. Determination of the elements as follows. measurement range of sulfur and selenium for 100μg/kg ~ 5000μg/kg, the remaining elements of the measurement range of 1μg/kg ~ 5000μg/kg.

2 principle of the method

Sample as the cathode glow discharge, the surface atoms to be sputtered from the sample and enters the glow discharge plasma, the plasma Ionized and then introduced into the mass spectrometer. In each element isotope mass number punishable by default scan points and the integration time of the peak corresponding plot Min, the resulting area is the peak intensity. When semi-quantitative analysis, computer software instrument based on "typical relative sensitivity factor" Auto Calculate the mass content of each element; when quantitative analysis is required by the sample in the same assay conditions, the structure of the ion source and measure Under standard test conditions for independent samples was determined by the relative sensitivity factors, the application of the relative sensitivity factor to calculate the mass of each element content.

3 Reagents and materials

Unless otherwise indicated, the reagents used in the tests were excellent pure; the water used is deionized water, the resistivity of the requirements To 18.2MΩ/cm. 3.1 Nitrogen (purity ≥99.99%). 3.2 nitric acid (11). 3.3 Cadmium standard samples, the measured element mass content of between 50μg/kg ~ 500μg/kg. 3.4 Cadmium blank samples, the element content is less than the requirements of the test sample under test element content more than 10 times.

4 Instrument

4.1 high resolution glow discharge mass spectrometer, under the resolution mode resolution of up to 3000 to 4000, high-resolution mode resolution Rate of up to 9,000 to 10,000. 4.2 machining equipment, the sample can be prepared as desired geometry (block or rod), the sample to be analyzed surface should be flat and smooth. 4.3 determination of elements and isotopes according to Table 1 to select the resolution, requested measured isotope peak intensity spectrum 111Cd not less than 5 × 109cps, peak Shape to meet the resolution requirements.

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