JB/T 7774.3-2008 English PDF

US$169.00 · In stock
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JB/T 7774.3-2008: Test methods for chemical analysis of silver-zinc oxide electric contact material. Part 3: Determination of bismuth content
Status: Valid

JB/T 7774.3: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JB/T 7774.3-2008	169	Add to Cart	3 days	Test methods for chemical analysis of silver-zinc oxide electric contact material. Part 3: Determination of bismuth content	Valid
JB/T 7774.3-1995	199	Add to Cart	2 days	(Silver zinc oxide electrical contact material for chemical analysis methods. Thiourea spectrophotometric determination of bismuth content)	Obsolete

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GB/T 38090   JB/T 8987   GB/T 3217   JB/T 7774.2   JB/T 7774.4   JB/T 7774.1   

Basic data

Standard ID: JB/T 7774.3-2008 (JB/T7774.3-2008)
Description (Translated English): Test methods for chemical analysis of silver-zinc oxide electric contact material. Part 3: Determination of bismuth content
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: K14
Classification of International Standard: 29.120.20
Word Count Estimation: 6,680
Date of Issue: 2008-02-01
Date of Implementation: 2008-07-01
Older Standard (superseded by this standard): JB/T 7774.3-1995
Regulation (derived from): ?Development and Reform Commission Announcement 2008 No.11
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the method for measuring electrical contact material silver zinc oxide of bismuth content. This section applies to the determination of silver electrical contacts material zinc oxide, bismuth mass fraction. Measuring range: 0. 05% to 0. 50%.

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