VIVID - Special Fluorescent - Ra > 90 + Neon YAG
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General Characteristics
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Physical Characteristics
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| Name |
Yttrium Aluminate:Ce |
Body Colour |
Yellow |
| Chemical Formula |
Y3Al5O12 |
Specific Gravity |
4.55 |
| Application |
High pressure Mercury Gas discharge lamps and fluorescent lamps with very high colour rendering (Ra>90) Neon lamps |
Particle Size Distribution |
By Laser Diffraction (Sympatec - HELOS) |
| Processing |
Stirrer or Ball mill |
» fraction £ 4.3 µm |
£ 15.0% |
| Suspension Type |
Butyl acetate or Water |
» fraction £ 9.0 µm |
36.0 ± 20% |
| Packaging |
5 kg in 15 ltr steel drum |
» fraction £ 25.0 µm |
³ 90% |
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Crystal Structure |
Yttro garnet |
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Optical Characteristics of Special Fluorescent - Ra > 90 + Neon YAG
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—————— 254 nm excitation ——————
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—————— C.I.E. Chromaticity Coordinates ——————
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| » Quantum efficiency |
31% |
» Powder |
x = 0.453 Y = 0.523 |
| » UV absorption |
60% |
» Lamp TLD 36W |
x = 0.369 Y = 0.423 |
| » Wavelength at peak |
562 nm |
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| » Bandwidth (50%) |
115 nm |
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| » Excitation peak |
467 nm |
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