JB/T 6237.4-2008 English PDF

US$209.00 · In stock
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JB/T 6237.4-2008: Test methods for chemical analysis of silver powder for electric contact material. Part 4: Determinatiln of nickel content
Status: Valid

JB/T 6237.4: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JB/T 6237.4-2008	209	Add to Cart	3 days	Test methods for chemical analysis of silver powder for electric contact material. Part 4: Determinatiln of nickel content	Valid
JB/T 6237.4-1992	199	Add to Cart	2 days	(Electrical contact with the chemical analysis of silver spectrophotometric determination of nickel content Methyl 2- (5-bromo-2-pyridyl azo) -5 diethylaminophenol spectrophotometric)	Obsolete

Similar standards

GB/T 38090   JB/T 8987   GB/T 3217   JB/T 6237.1   JB/T 6237.2   JB/T 6237.10   

Basic data

Standard ID: JB/T 6237.4-2008 (JB/T6237.4-2008)
Description (Translated English): Test methods for chemical analysis of silver powder for electric contact material. Part 4: Determinatiln of nickel content
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: K14
Classification of International Standard: 29.120.20
Word Count Estimation: 8,880
Date of Issue: 2008-03-12
Date of Implementation: 2008-09-01
Older Standard (superseded by this standard): JB/T 6237.4-1992; JB/T 6237.5-1992
Quoted Standard: GB/T 7728-1987
Regulation (derived from): NDRC Notice No. 25 of 2008
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the electrical contact material with a silver in the determination of nickel content. This standard applies to electrical contact material silver nickel content. Measuring range: 0. 005% to 0. 050%.

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