VIVID - High Intensity Discharge Lamps - Fine YV04
|
General Characteristics
|
Physical Characteristics
|
| Name |
Yttrium Vanadate Phosphate Borate:Eu Fine |
Body Colour |
White |
| Chemical Formula |
Y(VPB)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 £ 4.3 µm |
60.0 ± 12% |
| Suspension Type |
N/A |
» fraction £ 7.5 µm |
90.0 ± 10% |
| Packaging |
20 kg in 30 ltr steel drum |
» fraction £ 15 µm |
100% |
| |
|
Crystal Structure |
Xenotime |
|
Optical Characteristics of High Intensity Discharge Lamps - Fine YV04
|
|
—————— 254 nm excitation ——————
|
—————— C.I.E. Chromaticity Coordinates ——————
|
| » Quantum efficiency |
69% |
» Powder |
x = 0.658 Y = 0.325 |
| » UV absorption |
95% |
» Lamp TLD 36W |
x = 0.568 Y = 0.304 |
| » Wavelength at peak |
621 nm |
|
|
| » Bandwidth (50%) |
4 nm |
—————— Lumen Output 100h HPL (125W) —————— |
| » Excitation peak |
309 nm |
» Nominal |
6200 lm |
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