VIVID - Special Fluorescent - Blend Component Ra > 90, Neon
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General Characteristics
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Physical Characteristics
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| Name |
Strontium Aluminate:Eu |
Body Colour |
Bluish Green |
| Chemical Formula |
SrAl14O25:Eu |
Specific Gravity |
3.69 |
| Application |
Blend Component for 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 £ 1.8 µm |
£ 10.0% |
| Suspension Type |
Butyl acetate or Water |
» fraction £ 12.5 µm |
45.0 ± 10% |
| Packaging |
10 kg in 15 ltr steel drum |
» fraction £ 30.0 µm |
³ 85.0% |
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Crystal Structure |
Orthorhombic |
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Optical Characteristics of Special Fluorescent - Blend Component Ra > 90, Neon
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|
—————— 254 nm excitation ——————
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—————— C.I.E. Chromaticity Coordinates ——————
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| » Quantum efficiency |
81% |
» Powder |
x = 0.140 Y = 0.382 |
| » UV absorption |
89% |
» Lamp TLD 36W |
x = 0.153 Y = 0.354 |
| » Wavelength at peak |
490 nm |
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|
| » Bandwidth (50%) |
64 nm |
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| » Excitation peak |
383 nm |
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