JB/T 4107.2-2014 English PDF

US$159.00 · In stock
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JB/T 4107.2-2014: Chemical analyse method for electrical contact materials. Part 2: Determination of copper content in the copper tungsten
Status: Valid

JB/T 4107.2: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JB/T 4107.2-2014	159	Add to Cart	3 days	Chemical analyse method for electrical contact materials. Part 2: Determination of copper content in the copper tungsten	Valid
JB/T 4107.2-1999	199	Add to Cart	2 days	Chemical analyse method for electrical contact materials. Determination of copper content in the copper tungsten (iodimetry)	Obsolete
JB 4107.2-1985	RFQ	ASK	3 days	(Chinese Industry Standard)	Obsolete

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GB/T 38090   JB/T 8987   GB/T 3217   JB/T 4107.3   JB/T 4107.4   JB/T 4107.1   

Basic data

Standard ID: JB/T 4107.2-2014 (JB/T4107.2-2014)
Description (Translated English): Chemical analyse method for electrical contact materials. Part 2: Determination of copper content in the copper tungsten
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: K14
Classification of International Standard: 29.120.20
Word Count Estimation: 6,649
Date of Issue: 7/9/2014
Date of Implementation: 11/1/2014
Older Standard (superseded by this standard): JB/T 4107.2-1999
Regulation (derived from): Ministry of Industry and Information Technology Notice No. 47 of 2014
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This Standard specifies the determination of copper tungsten contact material of copper content by iodometric method approach. This section applies to the determination of copper in copper tungsten contact material amount. Measuring range: l5. 00% ~ 45. 0

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