JB/T 7948.4-2017 English PDF

US$139.00 · In stock
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JB/T 7948.4-2017: Methods for chemical analysis of welding fluxes. Part 4: Determination of iron oxide content
Status: Valid

JB/T 7948.4: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JB/T 7948.4-2017	139	Add to Cart	3 days	Methods for chemical analysis of welding fluxes. Part 4: Determination of iron oxide content	Valid
JB/T 7948.4-1999	199	Add to Cart	2 days	Methods for chemical analysis of melted welding fluxes. The EDTA volumetric method for determination of aluminium oxide content	Obsolete
JB/T 7948.4-1995	RFQ	ASK	3 days	(Chinese Industry Standard)	Obsolete

Similar standards

GB/T 8110   GB/T 9460   JB/T 10375   JB/T 7948.2   JB/T 7948.3   JB/T 7948.1   

Basic data

Standard ID: JB/T 7948.4-2017 (JB/T7948.4-2017)
Description (Translated English): Methods for chemical analysis of welding fluxes. Part 4: Determination of iron oxide content
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: J33
Classification of International Standard: 25.160.20
Word Count Estimation: 6,616
Date of Issue: 2017-11-07
Date of Implementation: 2018-04-01
Older Standard (superseded by this standard): JB/T 7948.5-1999
Quoted Standard: GB/T 6682; GB/T 12806; GB/T 12808; GB/T 12809; GB/T 12810; JB/T 7948.2-2017
Regulation (derived from): Announcement No. 48 of 2017 by the Ministry of Industry and Information Technology; No. 2 of 2018 (General No. 218)
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the principle of determination of iron oxide content in flux, reagents, instruments, samples, analysis steps, calculation of analysis results, allowable difference and so on.

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