GB/T 14634.5-2010

Active

Test methods of rare earth three-band phosphors for fluorescent lamps - Part 5: Determination of density

灯用稀土三基色荧光粉试验方法 第5部分:密度的测定

Standard Type
GBT
ICS
77.120.99
CCS
H14
Status
Active
Issue Date
2010-08-09
Implementation
2011-05-01
Centralized Committee
国家标准委
Issuing Authority
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies a pycnometer method for determining the density of rare earth three-band phosphors. It is applied in the quality control and material testing of phosphor powders used in the production of fluorescent lamps. The test ensures consistent powder packing and formulation accuracy in lighting manufacturing.

Related Standards

GB/T 5153-2003 Designation and composition of wrought magnesium and magnesium alloys GB/T 12690.13-2003 Chemical analysis methods for non-rareearth impurities of rare earth metals and their oxides--Determination of molybdenum and tungsten content--Induct-ively coupled plasma atomic emission spectrographic method and inductively coupled plasma mass spectrum GB/T 12690.4-2003 Chemical analysis methods for non-rare earth impurities ofrare earth metals and their oxides--Determination of oxygen and nitrogen content--Impulse-infrared and impulse-thermal conductance absorption method GB/T 12690.11-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of magnesium content--Flame atomic absorptionspectrometric method GB/T 12690.12-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of thorium content--Arsenazo III spectrophotometric method and inductively coupled plasma mass spectrum method GB/T 12690.10-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of phosphorus content by molybdenum blue spectrophotometric method GB/T 12690.5-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of Al、Cr、Mn、Fe、Co、Ni、Cu、Zn、Pb content by inductively coupled plasma atomic emission spectrographic method--Determination of Co、Mn、Pb、N GB/T 12690.6-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of iron content--Kalium thiocyanate,1,10-phenanthroline spectrophotometric method
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.