GB/T 13840-1992
Abolished
GB/T 23595.4-2009
Replaced
National standards
GB/T 23595.4-2009 Test methods of rare earth yellow phosphor for white LED lamps—Part 4:Determination of thermostability
GB/T 23595.4-2009 Test methods of rare earth yellow phosphor for white LED lamps—Part 4:Determination of thermostability
Basic Information
Standard Code:
GB/T 23595.4-2009
Standard Type:
National standards
Standard Status:
Replaced
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:
2009-04-23
Implement Date:
2010-02-01
Pages:
8 pages
Scope
This section specifies the method for determining the thermal stability of rare earth yellow phosphors used in white LED lamps excited by blue light with wavelengths ranging from 440 nm to 480 nm.
This section is applicable to the determination of the thermal stability of rare earth yellow phosphors used in white LED lamps excited by blue light with wavelengths ranging from 440 nm to 480 nm.
Development Information
Same series standard
GB/T 23595.1-2009 Test methods of rare earth yellow phosphor for white LED lamps—Part 1:Determination of spectrum property
GB/T 23595.2-2009 Test methods of rare earth yellow phosphor for white LED lamps—Part 2:Determination of relative brightness
GB/T 23595.3-2009 Test methods of rare earth yellow phosphor for white LED lamps—Part 3:Determination of chromaticity coordinates
GB/T 23595.5-2009 Test methods of rare earth yellow phosphor for white LED lamps—Part 5:Determination of pH value
GB/T 23595.6-2009 Test methods of rare earth yellow phosphor for white LED lamps—Part 6:Determination of conductivity
Superseded by the following standards
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