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.
COTTON SEED OIL. | n15.5 D | B15.5 | Ref. No. | |
Original oil. | 1.4633 | 56.0 | 382 | |
Heated 10 min. at 200° C. | 1.4636 | 56.5 | 382 | |
Heated 20 min. at 300° C. | 1.4643 | 57.5 | 382 | |
LINSEED OIL. | n25 D | B25 | ||
Original Baltic oil, S.G.15.5 0.9351. | 1.4808 | 84.3 | 391 | |
Oil heated at 250° C. in atmosphere of C02. | 12 | 56 | 77 hrs. | |
n25 D 1.4835 | 1.4936 | 1.4970 | 391 | |
S.G.15.5 0.9423 | 0.9664 | |||
Raw Linseed. | S.G.15 0933 | n19 D 1.4881 | 392 | |
Thickened in C02 at 260. | ||||
280° C. | „ 1.4915 | 392 | ||
Portion soluble in acetone. | „ 1.4846 | 392 | ||
Raw Linseed oil. | n25 D 1.479 | 393 | ||
Heated in closed vessel traversed by current of C02. | 20 hrs. at 200° C. | n25 D 1.480 | 393 | |
40 hrs. at 200° C. | 1.482 | 393 | ||
15 hrs. at 260° C. | 1.486 | 393 | ||
30 hrs. at 260° C. | 1.489 | 393 | ||
10 hrs. at 300° C. | 1.492 | 393 | ||
20 hrs. at 300° C. | 1.496 | 393 | ||
Boiled Linseed oils. | n21 D 1.4833 . 1.4850 | 411 | ||
OLIVE OIL. | ||||
Raw oil, S.G.15 0.9154. | n19 D 1.4704 | B19 67.0 | 392 | |
Thickened 28 hrs. at 260° C. | n18 D 1.4720 | B19 69.5 | 392 | |
POPPY SEED OIL. | ||||
Raw, S.G.18 0.92418. | n20D 1.4737 | B20 72.2 | 392 | |
Thickened 28 hrs. at 260° C | n22D 1.4792 | B2281.5 | 392 | |
Ref. No. | |||
CHINA WOOD OIL. | |||
Raw. | n12.5 D 1.5174 | 392 | |
Thickened, soluble in ace-tone. | n11.5 D 1.5114 | 392 | |
Raw. | n25 D 1.515 | 393 | |
Oil heated in closed vessel traversed by slow current of CO2. | 2 hrs. at 200° C2. | n25 D 1.468 | 393 |
4 hrs. at 200° C2. | 1.446 | 393 | |
l0min. at 260° C2. | 1.511 | 393 | |
20 min. at 260° C2. | 1.504 | 393 | |
 
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