GB/T 14634.4-2002 Test methods for rare earth trichromatic phosphors for lamps - Determination of particle size distribution by electrical sensing method

time: 2024-08-09 08:45:21
  • GB/T 14634.4-2002
  • in force

Basic Information

standard classification number

  • Standard ICS number:

    Metallurgy>>Non-ferrous metals>>77.120.99 Other non-ferrous metals and their alloys
  • China Standard Classification Number:

    Metallurgy>>Nonferrous Metals and Their Alloy Products>>H65 Rare Metals and Their Alloys

associated standards

Publication information

  • publishing house:

    China Standards Press
  • Publication date:

    2003-06-01

Other Information

  • Release date:

    2002-11-19
  • Review date:

    2004-10-14
  • Drafting Organization:

    Shanghai Yuelong New Materials Co., Ltd.
  • Focal point Organization:

    National Rare Earth Standardization Technical Committee
  • Publishing Department:

    General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
  • Competent Authority:

    National Development and Reform Commission
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Summary:

This standard specifies the method for measuring the particle size distribution of rare earth tri-color phosphors for lamps by the electric sensor method. This standard applies to the measurement of the particle size distribution of rare earth tri-color phosphors for lamps by the electric sensor method. GB/T 14634.4-2002 Test method for rare earth tri-color phosphors for lamps by the electric sensor method. Determination of particle size distribution GB/T14634.4-2002 Standard download decompression password: www.bzxz.net
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