GB/T 30075-2025 Rare earth activated nitride red phosphors for LED

GB/T 30075-2013 Rare earth activated nitride red phosphors for LED

GB/T 5838.1-2015 Phosphors—Part 1:Terminology GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 14634.5-2002 Test methods of rare earth three-band phosphors for fluorescent lamps—Determination of density GB/T 14634.5-2010 Test methods of rare earth three-band phosphors for fluorescent lamps—Part 5:Determination of density GB/T 20170.1-2006 Test methods for physical characters of rare earth metals and their compounds—Determination for particle size distribution of rare earth compounds GB/T 23595.1-2009 Test methods of rare earth yellow phosphor for white LED lamps—Part 1:Determination of spectrum property GB/T 23595.1-2025 Test methods of rare earth phosphors for LED—Part 1:Determination of spectrum GB/T 23595.2-2009 Test methods of rare earth yellow phosphor for white LED lamps—Part 2:Determination of relative brightness GB/T 23595.2-2025 Test methods of rare earth phosphors for LED—Part 2:Determination 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 23595.3-2025 Test methods of rare earth phosphors for LED—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 23595.4-2025 Test methods of rare earth phosphors for LED—Part 4:Determination of high temperature and high humidity property 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 GB/T 23595.7-2025 Test methods of rare earth phosphors for LED—Part 7:Determination of thermal quenching GB/T 23595.8-2025 Test methods of rare earth phosphors for LED—Part 8:Determination of pressure cooker test property GB 39176-2020 Rare earth products packing,marking,transport and storage GB/T 39492-2020 Testing method of quantum efficiency for white LED phosphor