This section is from the book "Tables Of Refractive Indices. Oils, Fats And Waxes", by R. Kanthack. Also available from Amazon: Tables of Refractive Indices.
OIL. | nD | nF-nc | nD-1nF-nC | nD | nF-nc | nD-1nF-nC |
Effect of Oxidation | ||||||
Original Linseed. | 1.47379 | 0.01032 | 45.8 | |||
Film exposed 28 hours. | 1.47496 | 0.01057 | 44.8 | |||
Original Niger. | 1.46968 | 0.00932 | 50.4 | |||
Film exposed 50 hours. | 1.47155 | 0.00963 | 48.9 | |||
Effect of Heating | ||||||
Linseed heated to 200° C. for 8 hours. | 1.48212 | 0.00702 | 68.7 | |||
Niger heated to 200° C. for 8 hours. | 1.47547 | 0.00913 | 52.1 | |||
Original Tung. | 1.51278 | 0.02102 | 24.4 | |||
Tung, 5 mins. at 290° C. | 1.50412 | 0.01468 | 34.4 | |||
OIL. | nD | nF-nc | nD-1/nF-nC |
Soya Bean. | 1.4712 | .00955 | 49.3 |
Tea Seed. | 1.4618 | .00853 | 54.1 |
 
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