JB/T 7993-1999
Boron carbide Method for chemical analysis (English Version)
- Standard No.
- JB/T 7993-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Machinery
- Status
- 2012-11
- Replace By
- JB/T 7993-2012
- Latest
- JB/T 7993-2012
- Scope
- This standard specifies the method for the determination of total boron, ferric oxide, silicon dioxide, boron trioxide, free boron, total carbon, and free carbon in boron carbide abrasives and crystal ingots. This standard is applicable to the determination of the chemical composition of general boron carbide products in industry.
JB/T 7993-1999 history
- 2012 JB/T 7993-2012 Chemical analysis methods for boron carbide
- 1999 JB/T 7993-1999 Boron carbide Method for chemical analysis
