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JB/T 7994-2025 PDF English

JB/T 7994: Evolution and historical versions

Std ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status
JB/T 7994-2025	English	RFQ	ASK	3 days [Need to translate]	(Superhard abrasives - Chemical analysis method of cubic boron nitride)	Valid
JB/T 7994-2012	English	559	Add to Cart	3 days [Need to translate]	Superabrasive. Chemical analysis method for cubic boran nitricle	Obsolete
JB/T 7994-1999	English	479	Add to Cart	4 days [Need to translate]	Chemical analysis methods of cubic boron nitride	Obsolete
JB/T 7994-1995	English	RFQ	ASK	3 days [Need to translate]	(Chinese Industry Standard)	Obsolete

Standard ID	JB/T 7994-2025 (JB/T7994-2025)
Description (Translated English)	(Superhard abrasives - Chemical analysis method of cubic boron nitride)
Sector / Industry	Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard	J43
Classification of International Standard	25.100.70
Date of Issue	2025-05-09
Date of Implementation	2025-11-01
Older Standard (superseded by this standard)	JB/T 7994-2012
Issuing agency(ies)	Ministry of Industry and Information Technology
Summary	This standard specifies the analytical methods for the main chemical components in cubic boron nitride. This document applies to the analytical activities for the chemical components in cubic boron nitride, including boron nitride, silicon dioxide, ferric oxide, aluminum oxide, calcium oxide, magnesium oxide, anions, and surface impurity elements.