Fryer & Weston Dispersion At 40&Deg; 0

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

Addendum. Simeon & Goldsmith. Dispersion At 40&Deg; 0

OIL.

nD

nF-nc

nD-1/nF-nC

Soya Bean.

1.4712

.00955

49.3

Tea Seed.

1.4618

.00853

54.1