GB/T 6579-1986
Replaced
GB/T 8762.7-1988
Replaced
National standards
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
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
Basic Information
Standard Code:
GB/T 8762.7-1988
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Analysis methods for rare metals and their alloys
ICS Name:
Laboratory equipment and related instruments
Publish Date:
1988-02-25
Implement Date:
1989-02-01
Publisher:
National Standards Bureau
Pages:
7 pages
Development Information
Drafting Units:
Beijing Nonferrous Metal Research Institute and Shanghai Yuelong Chemical Plant
Drafting Persons:
Wang Zhentang, Wang Changqing, Wu Xing, and Mu Zongxi
Same series standard
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 8762.2-1988 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
Superseded by the following standards
Related Standards
GB 7230-1987
Replaced
GB 7230-1987 Gas detector tube units
GB/T 11414-1989
Replaced
GB/T 11414-1989 Laboratory glassware—Bottles
GB/T 11415-1989
Active
GB/T 11415-1989 Laboratory sintered (fritted) filters—Porosity grading, classification and designation
GB/T 12519-1990
Replaced
GB/T 12519-1990 General specification of analytical instruments
GB/T 13966-1992
Replaced