VIVID - High Intensity Discharge Lamps - Coarse YV04
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General Characteristics
|
Physical Characteristics
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| 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
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|
—————— 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 |
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