GB/T 14634.4-2002
Test methods of rare earth three-band phosphors for fluorescent lamps-Determination of particle size distribution by electric sensing zone technique (English Version)
- Standard No.
- GB/T 14634.4-2002
- Language
- Chinese, Available in English version
- Release Date
- 2002
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2017-12
- Latest
- GB/T 14634.4-2002
- Scope
- This standard specifies the method for the determination of particle size distribution of rare earth trichromatic phosphors for lamps by electric sensing method. This standard is applicable to the determination of particle size distribution of rare earth trichromatic phosphors for lamps by electric sensing method.
GB/T 14634.4-2002 history
- 2002 GB/T 14634.4-2002 Test methods of rare earth three-band phosphors for fluorescent lamps-Determination of particle size distribution by electric sensing zone technique
GB/T 14634.4-2002 -All Parts
GB/T 14634.1-2010 Test methods of rare earth three-band phosphors for fluorescent lamps.Part 1:Determination of relative brightness
GB/T 14634.2-2010 Test methods of rare earth three-band phosphors for fluorescent lamps.Part 2:Determination of emission dominantpeak and chromaticity
GB/T 14634.3-2010 Test methods of rare earth three-band phosphors for fluorescent lamps.Part 3:Determination of thermostability
GB/T 14634.4-2002 Test methods of rare earth three-band phosphors for fluorescent lamps-Determination of particle size distribution by electric sensing zone technique
GB/T 14634.5-2010 Test methods of rare earth three-band phosphors for fluorescent lamps.Part 5:Determination of density
GB/T 14634.6-2010 Test methods of rare earth three-band phosphors for fluorescent lamps.Part 6:Determination of specific surface area
GB/T 14634.7-2010 Test methods of rare earth three-band phosphors for fluorescent lamps.Part 7:Determination of temperature quenching