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JB/T 7520.3-2017 English PDF

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JB/T 7520.3-2017: Methods for chemical analysis of copper base brazing filler metals - Part 3: Determination of phosphorus content
Status: Valid

JB/T 7520.3: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JB/T 7520.3-2017English169 Add to Cart 3 days [Need to translate] Methods for chemical analysis of copper base brazing filler metals - Part 3: Determination of phosphorus content Valid JB/T 7520.3-2017
JB/T 7520.3-1994English159 Add to Cart 2 days [Need to translate] Chemical analysis method for phosphorus copper brazing filler metal Determination of phosphorus content with vanadium-molybdenum acid Obsolete JB/T 7520.3-1994

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Basic data

Standard ID JB/T 7520.3-2017 (JB/T7520.3-2017)
Description (Translated English) Methods for chemical analysis of copper base brazing filler metals - Part 3: Determination of phosphorus content
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard J33
Classification of International Standard 25.160.20
Word Count Estimation 7,787
Date of Issue 2017-11-07
Date of Implementation 2018-04-01
Older Standard (superseded by this standard) JB/T 7520.3-1994
Quoted Standard GB/T 6682; GB/T 12806; GB/T 12808; GB/T 12809; GB/T 12810
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 scope of the determination of phosphorus in copper-based brazing filler metal, normative references, general rules, principles, reagents, equipment, test procedures, test data processing, allowable difference, etc.

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