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Database: 189760 (18 Oct 2025)
JB/T 6647-2011 English PDF
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JB/T 6647-2011
: The gas-volumetric method after combustion in the pipe furnace for the determination of total carbon content. Method for chemical analysis of carbonate
Status: Valid
JB/T 6647: Evolution and historical versions
Standard ID
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Standard Title (Description)
Status
PDF
JB/T 6647-2011
English
209
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The gas-volumetric method after combustion in the pipe furnace for the determination of total carbon content. Method for chemical analysis of carbonate
Valid
JB/T 6647-2011
JB/T 6647-1993
English
239
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Determination of total carbon content in carbide Gas volumetric method
Obsolete
JB/T 6647-1993
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JB/T 6648
Basic data
Standard ID
JB/T 6647-2011 (JB/T6647-2011)
Description (Translated English)
The gas-volumetric method after combustion in the pipe furnace for the determination of total carbon content. Method for chemical analysis of carbonate
Sector / Industry
Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard
H72
Classification of International Standard
77.160
Word Count Estimation
8,893
Date of Issue
2011-12-20
Date of Implementation
2012-04-01
Older Standard (superseded by this standard)
JB/T 6647-1993
Quoted Standard
GB/T 223.69
Regulation (derived from)
?MIIT Announcement 2011 No.43; Industry Standard Filing Announcement 2012 No.2 (Total No.146)
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the determination of the mass fraction in the range of carbide is 5. 0 % ~ 21. 0%, determination of total carbon content of carbide gas volumetric method after combustion tube furnace method, instrument, standard reference materials and reagents, analysis step, trial results and test report. This standard applies to the determination of total carbon content in the carbides.