YS/T 224-2016 English PDF

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YS/T 224-2016: Thallium

YS/T 224: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 224-2016	209	Add to Cart	3 days	Thallium
YS/T 224-1994	159	Add to Cart	2 days	Thallium	Obsolete

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GB/T 39859   GB/T 23513.5   GB/T 23513.1   YS/T 948   YS/T 903.2   YS/T 903.1   

Basic data

Standard ID: YS/T 224-2016 (YS/T224-2016)
Description (Translated English): Thallium
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H66
Classification of International Standard: 29.045
Word Count Estimation: 6,650
Date of Issue: 2016-07-11
Date of Implementation: 2017-01-01
Older Standard (superseded by this standard): YS/T 224-1994
Regulation (derived from): Notice of the Ministry of Industry and Information Technology (2016 No. 37)
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the requirements, test methods, inspection rules and packaging, marking, transportation, storage and quality certificates and contracts (or purchase orders).

YS/T 224-2016: Thallium

---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.
Thallium ICS 77.150.99 H66 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 224-1994 Thalium 2016-07-11 released 2017-01-01 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 replaces YS/T 224-1994 "Thallium". The main changes in this standard compared with YS/T 224-1994 are as follows. --- adjust the standard format; Increased thallium analysis method; --- Added "normative reference documents" "transport" "storage" "contract (or order form)" and so on. This standard is proposed by the National Committee for Standardization of Nonferrous Metals (SAC/TC243). The drafting unit of this standard. Hunan Shuikoushan Nonferrous Metals Group Co., Ltd., China Nonferrous Metals Industry Standard Measurement Quality Institute. The main drafters of this standard. Yuan Peixin, He Congxing, Jiang Dongsheng, Wu Yanhua. This standard replaced the previous version of the standard release. YS/T 224-1994. Thallium Warning. Thallium and its compounds are highly toxic substances, in the production, transportation, storage and use of the process should be well protected.

1 Scope

This standard specifies the requirements for thallium, test methods, inspection rules and signs, packaging, transportation, storage and quality certificates and contracts (or orders Single) content. This standard applies to the treatment of lead, zinc, copper, manganese and other metal smelting process by-product, the wet smelting of the metal thallium for purification, production Alloys, chemical reagents, instrumentation and semiconductor doping and other industrial use.

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. YS/T 569 (all parts) thallium chemical analysis method

3 request

3.1 Product Classification Products according to the chemical composition is divided into Tl-1, Tl-2, Tl-3 three grades. 3.2 Chemical composition The chemical composition of the product shall comply with the provisions of Table 1. Grade Tl-1, Tl-2 Thallium content of 100% minus the total amount of impurities, grade The content of thallium in Tl-3 is the direct analysis. The demand side of the product of the chemical composition of the special requirements, the supply and demand sides can be negotiated. Table 1 Chemical composition product Grade Chemical composition (mass fraction) /% Tl content not less than Impurity content, no more than Al Cd Cu Fe Hg In Pb Si Zn Impurity Total Tl-1 99.99 0.001 0.001 0.001 0.001 0.002 0.0005 0.003 0.001 0.001 0.01 Tl-2 99.9 - 0.03 0.01 0.01 0.02 - 0.03 - 0.01 0.1 Tl-3 99.0 - 1.0 3.3 Ingot weights and specifications 3.3.1 The product is supplied in the form of a long square trapezoid, with an ingot weight of.200 g to 700 g. 3.3.2 The product of the ingot type and specifications have special requirements or requirements, can be negotiated by the supply and demand sides. 3.4 Appearance quality The product is silver white metal. Thallium ingot surface should be smooth, clean, not allowed to have holes, shrinkage, scum and visually visible inclusions. ......

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