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YS/T 895-2013 English PDF

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YS/T 895-2013: Methods for chemical analysis of high purity rhenium. Determination of trace impurity element content. Glow discharge mass spectrometry
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
YS/T 895-2013	English	159	Add to Cart	3 days [Need to translate]	Methods for chemical analysis of high purity rhenium. Determination of trace impurity element content. Glow discharge mass spectrometry	Valid	YS/T 895-2013

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Basic data

Standard ID	YS/T 895-2013 (YS/T895-2013)
Description (Translated English)	Methods for chemical analysis of high purity rhenium. Determination of trace impurity element content. Glow discharge mass spectrometry
Sector / Industry	Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard	H63
Classification of International Standard	77.120.99
Word Count Estimation	6,689
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 rhenium content measured elements are shown in Table 1. This standard applies to the determination of rhenium purity of trace element content. Determination of the e

YS/T 895-2013: Methods for chemical analysis of high purity rhenium. Determination of trace impurity element content. Glow discharge mass 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 high purity rhenium. Determination of trace impurity element content. Glow discharge mass spectrometry ICS 77.120.99 H63 People's Republic of China Nonferrous Metals Industry Standard Methods for chemical analysis of high purity rhenium Determination of trace elements 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 was drafted. Beijing Nonferrous Metal Research Institute, Jinchuan Group Co., Ltd., Dongfang Electric Group Emei Semiconductor Material Limited. The main drafters of this standard. Li Jidong, Qinfang Lin, Wang Panfeng, Sun Zeming, Liu Ying, Wang Changhua, Tong Jian, Zang Muwen, Wenying, Qiu Ping. Methods for chemical analysis of high purity rhenium Determination of trace elements Glow Discharge Mass Spectrometry

1 Scope

This standard specifies the method for the determination of trace elements in high purity rhenium content, the determination of elements in Table 1. This standard applies to the determination of high-purity rhenium contents of trace elements. Determination of the elements as follows. measurement range of sulfur, selenium and mercury is 50μg/kg ~ 5000μg/kg, the remaining elements of the measurement range of 5μg/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 of element content by the formula (1) is obtained. No standard sample, the instrument according to computer software "typical phase The sensitivity factor "automatically calculate the mass fraction of each element; when the standard sample, and the sample required by the same analytical conditions, from Under the sub-source structure and the test conditions of the standard sample was determined by independent relative sensitivity factor, the application of the relative sensitivity factor calculation The mass fraction of the elements. w (X) = RSF (X/Re) · IX · ARe IRe · AX · W (Re) (1) Where. w (X) --- analyte concentration, in micrograms per kilogram (μg/kg); RSF (X/Re) --- Re in the correction coefficient of the element X is measured at certain glow discharge conditions; Isotope peak intensity IX --- tested element X, cps; Isotope peak intensity IRe --- Re elements, cps; AX --- analyte X isotopic abundance; ARe --- Re isotopic abundance of elements; Definition mass fraction w (Re) --- Re was 1.00 × 109μg/kg.

3 Reagents and materials

Unless otherwise indicated, reagents were pure class distinctions used in this standard, the use of water as a water. 3.1 nitric acid (11). 3.2 rhenium standard sample measured element content between 50μg/kg ~ 500μg/kg in. 3.3 Background monitoring instrument samples tested elements mass fraction lower than the above test sample 10 times. 3.4 Argon (φ≥99.999%). 3.5 Nitrogen (φ≥99.99%).

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

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