VIVID - High Intensity Discharge Lamps - Coarse YV04

General Characteristics Physical Characteristics
Name Yttrium Vanadate Phosphate Borate:Eu Coarse Body Colour White
Chemical Formula Y(VB)O4:Eu Specific Gravity 4.29
Application High pressure Mercury Gas discharge lamps Particle Size Distribution By Laser Diffraction (Sympatec - HELOS)
Processing Electrostatic Coating » fraction £ 12.5 µm 53.0 ± 5%
Packaging 20 kg in 30 ltr steel drum » fraction £ 43 µm 100%
    Crystal Structure Xenotime
Optical Characteristics of High Intensity Discharge Lamps - Coarse YV04
—————— 254 nm excitation —————— —————— C.I.E. Chromaticity Coordinates ——————
» Quantum efficiency 70% » Powder x = 0.658       Y = 0.325
» UV absorption 94% » Lamp TLD 36W x = 0.568       Y = 0.304
» Wavelength at peak 620 nm    
» Bandwidth (50%) 2 nm —————— Lumen Output 100h HPL (125W) ——————
» Excitation peak 308 nm » Nominal 6700 lm

 

VIVID INDIA

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Pitampura, Delhi 110 034, INDIA
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