GB/T 3135-1982
abolished_transferred
GB/T 8762.1-1988
Replaced
National standards
GB/T 8762.1-1988 Yttrium oxide and europium oxide of phosphor grade—Determination of total rare earth oxide content—EDTA volumetric method
GB/T 8762.1-1988 Yttrium oxide and europium oxide of phosphor grade—Determination of total rare earth oxide content—EDTA volumetric method
Basic Information
Standard Code:
GB/T 8762.1-1988
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Analysis methods for rare metals and their alloys
ICS Name:
Oxide
Publish Date:
1988-02-25
Implement Date:
1989-02-01
Publisher:
National Standards Bureau
Pages:
3 pages
Development Information
Drafting Units:
Beijing Nonferrous Metals Research Institute and Shanghai Yuelong Chemical Plant
Drafting Persons:
Lu Shixin and Lin Wenying
Same series standard
GB/T 8762.2-1988 Yttrium oxide and europium oxide of phosphor grade—Determination of calcium oxide content—N2O-C2H2 flame atomic absorption spectrophotometric method
GB/T 8762.5-1988 Yttrium oxide of phosphor grade—Determination of trace rare earth oxide contents—Spectrochemical method and direct spectrographic method
GB/T 8762.7-1988 Europium oxide of phosphor grade—Determination of cerium oxide, praseodymium oxide, samarium oxide, gadolinium oxide and dysprosium oxide contents—Spectrochemical method and direct spectrographic method
Superseded by the following standards
Related Standards
GB/T 3501-1983
Abolished
GB/T 3501-1983 Technical requirements of superfine ruthenium dioxide hydrate powder
GB/T 3502-1983
Abolished
GB/T 3502-1983 Technical requirements of super fine palladium oxide powder
GB/T 5236-1985
abolished_transferred
GB/T 5236-1985 Antimony trisulfide
GB/T 7315.1-1987
abolished_transferred
GB/T 7315.1-1987 Methods for chemical analysis of vanadium pentoxide—The potassium permanganate oxidation-ammonium ferrous sulfate titrimetric method for the determination of vanadium pentoxide content
GB/T 7315.2-1987
abolished_transferred