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YS/T 1107-2016 English PDF

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YS/T 1107-2016: Chemical analysis methods for carboxyethl-germanium sesquioxide
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PDF similar to YS/T 1107-2016


Standard similar to YS/T 1107-2016

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Basic data

Standard ID YS/T 1107-2016 (YS/T1107-2016)
Description (Translated English) Chemical analysis methods for carboxyethl-germanium sesquioxide
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H17
Classification of International Standard 77.040.30
Word Count Estimation 14,172
Date of Issue 2016-04-05
Date of Implementation 2016-09-01
Regulation (derived from) The Ministry of Industry and Notice No. 2016 in 2016; the industry standard for the record 2016 No. 6
Issuing agency(ies) Ministry of Industry and Information Technology

YS/T 1107-2016: Chemical analysis methods for carboxyethl-germanium sesquioxide

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Chemical analysis methods for carboxyethl-germanium sesquioxide ICS 77.040.30 H17 People's Republic of China Nonferrous Metals Industry Standard Methods for chemical analysis of carboxyethyl germanium sesquioxide 2016-04-05 release 2016-09-01 implementation Issued by the Ministry of Industry and Information Technology of the People's Republic of China

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the National Committee for Standardization of Nonferrous Metals (SAC/TC243). The drafting of this standard unit. Yunnan Lincang Xinyuan germanium industry Co., Ltd., Nanjing in the germanium technology limited liability company, Beijing Nonferrous Metal Research Research Institute, Beijing Mining and Metallurgy Research Institute, Kunming Metallurgical Research Institute. The main drafters of this standard. Pu Shikun, Bao Wendong, Huifeng, Liu Xinjun, Liu Hong, Feng Xianjin, Zhao Deping, Li Zhengmei, Zhang Lin. Methods for chemical analysis of carboxyethyl germanium sesquioxide WARNING. Personnel using this document should have practical experience in formal laboratory work. This standard does not indicate all possible security issues. It is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions set forth in the relevant national regulations.

1 Scope

This standard specifies the content of inorganic germanium dioxide, carboxyethyl germanium sesquioxide, lead, cadmium, mercury and arsenic in carboxyethyl germanium sesquioxide Method. This standard is applicable to the determination of inorganic germanium dioxide in carboxyethyl germanium sesquioxide, the determination range is 0.005% ~ 0.050%; carboxyethyl (0.01 ~ 1.0) × 10-4%, respectively. The results showed that the concentration of lead, cadmium and mercury were 98.5% ~ 100.0% (0.01 to 0.5) x 10-4%, (0.01 to 0.5) x 10-4%; arsenic, the measurement range is (0.10 to 1.0) x 10-4%.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. Analysis of laboratory water specifications and test methods GB/T 6682-2008 Part 1. Determination of inorganic germanium dioxide content Extraction - Phenylfluorenone spectrophotometric method

3 method summary

The sample was dissolved by heating with 6.0 mol/L hydrochloric acid, and the carboxylated germanium sesquioxide and the germanium dioxide (GeO2) Reaction, chemical reaction were as follows. (GeCH2CH2COOH) 2O3 6HCl → 2Cl3GeCH2CH2COOH 3H2O GeO2 4HCl → GeCl4 2H2O Since the distribution coefficient of germanium tetrachloride produced in carbon tetrachloride is much larger than that of the produced chlorogermanium propionic acid in germanium tetrachloride The germanium germanium tetrachloride was separated from the solution by means of an extraction separation to be separated from the carboxyethyl germanium sesquioxide and then separated from the hydrochloric acid concentration The absorbance was measured at a wavelength of 510 nm with a color of phenfluorenone at a temperature of 1.2 mol/L to 1.4 mol/L.

4 reagent

Unless otherwise specified, the purity of the reagents used should be above pure analytical, experimental water should be consistent with GB/T 6682-2008 in the secondary water and On the request. 4.1 hydrochloric acid, ρ = 1.17 g/cm3 to 1.19 g/cm3. 4.2 Hydrochloric acid, 9.0 mol/L. 4.3 hydrochloric acid, 6.0 mol/L. 4.4 hydrochloric acid, 0.1 mol/L. 4.5 carbon tetrachloride. 4.6 anhydrous ethanol.

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