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