VIVID - High Intensity Discharge Lamps - Medium YV04
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General Characteristics
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Physical Characteristics
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| Name |
Yttrium Vanadate Phosphate Borate:Eu Medium |
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 £ 6.0 µm |
42.0 ± 13% |
| Suspension Type |
N/A |
» fraction £ 25 µm |
³ 100.0% |
| Packaging |
20 kg in 30 ltr steel drum |
» D 50 |
6.25 ± 1.0 µm |
| |
|
Crystal Structure |
Xenotime |
|
Optical Characteristics of High Intensity Discharge Lamps - Medium YV04
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|
—————— 254 nm excitation ——————
|
—————— C.I.E. Chromaticity Coordinates ——————
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| » Quantum efficiency |
73% |
» Powder |
x = 0.658 Y = 0.325 |
| » UV absorption |
95% |
» 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 |
325 nm |
» Nominal |
6200 lm |