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
Standard ID:
GB/T 14634.4-2002
Standard Name:
Test methods for rare earth trichromatic phosphors for lamps - Determination of particle size distribution by electrical sensing method
Chinese Name:
灯用稀土三基色荧光粉试验方法 电传感法粒度分布测定
Standard category:
National Standard (GB)
-
Date of Release:
2002-01-01 -
Date of Implementation:
2003-06-01
Standard ICS number:
Metallurgy>>Non-ferrous metals>>77.120.99 Other non-ferrous metals and their alloysChina Standard Classification Number:
Metallurgy>>Nonferrous Metals and Their Alloy Products>>H65 Rare Metals and Their Alloys
Release date:
2002-11-19Review date:
2004-10-14Drafting Organization:
Shanghai Yuelong New Materials Co., Ltd.Focal point Organization:
National Rare Earth Standardization Technical CommitteePublishing Department:
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of ChinaCompetent 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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