GB/T 13840-1992
Abolished
GB/T 12690.13-2003
Active
National standards
GB/T 12690.13-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Determination of molybdenum and tungsten content—Inductively coupled plasma atomic emission spectrographic method and Inductively coupled plasma mass spectrum method and inductively coupled plasma mass spectrum method
GB/T 12690.13-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Determination of molybdenum and tungsten content—Inductively coupled plasma atomic emission spectrographic method and Inductively coupled plasma mass spectrum method and inductively coupled plasma mass spectrum method
Basic Information
Standard Code:
GB/T 12690.13-2003
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analysis methods for rare metals and their alloys
ICS Name:
Other non-ferrous metals and their alloys
Publish Date:
2003-11-18
Implement Date:
2004-06-01
Pages:
7 pages
Development Information
Same series standard
GB/T 12690.4-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Determination of oxygen and nitrogen content—Impulse-infrared and impulse-thermal conductance absorption method
GB/T 12690.5-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Determination of Al、Cr、Mn、Fe、Co、Ni、Cu、Zn、Pb content by inductively coupled plasma atomic emission spectrographic method and Determination of Co、Mn、Pb、Ni、Cu、Zn、Al、Cr content by inductively coupled plasma mass spectrum method
GB/T 12690.6-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Determination of iron content—Kalium thiocyanate,1,10-phenanthroline spectrophotometric method
GB/T 12690.7-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides Determination of silicon content Molybdenum blue spectrophotometric method
GB/T 12690.8-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Determination of sodium content—Flame atomic absorption spectrometric method
GB/T 12690.9-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides Determination of chlorine content Silver nitrate turbidimetric method
GB/T 12690.10-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides Determination of phosphorus content by molybdenum blue spectrophotometric method
GB/T 12690.11-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Determination of magnesium content—Flame atomic absorption spectrometric method
GB/T 12690.12-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides Determination of thorium content Arsenazo III spectrophotometric method and Inductively coupled plasma mass spectrum method
Related Standards
GB/T 15677-1995
Replaced
GB/T 15677-1995 Lanthanum metal
GB/T 3136-1995
abolished_transferred
GB/T 3136-1995 Tantalum powders
GB/T 3463-1995
Abolished
GB/T 3463-1995 Tantalum wires
GB/T 3628-1995
Replaced
GB/T 3628-1995 Tantalum and tantalum alloy foils
GB/T 16476-1996
Replaced