GB/T 23595.5-2009 Active National standards

GB/T 23595.5-2009 Test methods of rare earth yellow phosphor for white LED lamps—Part 5:Determination of pH value

GB/T 23595.5-2009 Test methods of rare earth yellow phosphor for white LED lamps—Part 5:Determination of pH value

Publish Date: 2009-04-23 Implement Date: 2010-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 23595.5-2009

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: 2009-04-23

Implement Date: 2010-02-01

Pages: 4 pages

Scope

This section specifies the method for determining the pH value of rare earth yellow phosphors used in white LED lamps excited by blue light with wavelengths of 440 nm to 480 nm.
This section is applicable to the determination of the pH value of rare earth yellow phosphors used in white LED lamps excited by blue light with wavelengths of 440 nm to 480 nm. The measurement range is pH0 to pH14.

Development Information

Word Count: 4 Thousand words Pages: 4 pages

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 23595.4-2009 Test methods of rare earth yellow phosphor for white LED lamps—Part 4:Determination of thermostability GB/T 23595.6-2009 Test methods of rare earth yellow phosphor for white LED lamps—Part 6:Determination of conductivity

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