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