GB/T 23595.5-2009
Test methods of rare earth yellow phosphor for white LED lamps.Part 5:Determination of pH value (English Version)
- Standard No.
- GB/T 23595.5-2009
- Language
- Chinese, Available in English version
- Release Date
- 2009
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 23595.5-2009
- Scope
- This part specifies the method for the determination of the pH value of rare earth yellow phosphors used in white LED lamps excited by 440nm~480nm blue light. This part applies to the determination of the pH value of rare earth yellow phosphors used in 440nm~480nm blue light excitation white light LED lamps. Measuring range: pH0~pH14.
GB/T 23595.5-2009 history
- 2009 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 -All Parts
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:Determining 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 23595.5-2009 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
GB/T 23595.7-2010 Test methods of rare earth yellow phosphor for white LED lamps.Part 7:Determination of temperature quenching