BP Castor Oil

castor oil (BP) is a brilliantly clear liquid and free from suspended matter with details like acid value(mgKOHgm) 1.0 max, f.f.a.(as oleic) 0.50% max, iodine value(gm12) 82-90, saponification value(mgKOHgm) 176-187, unsaponifiable matter(%) 0.80 max ww, hydroxyl value(mgKOHgm) 160-168, peroxide value(miliequkg) 4 max, moisture(%)-0.25 max, foreign fatty substances complies with tests, relative density @20°C 0.952-0.965 gmml, refractive index @ 20°C-1.4770-1.4810, optical rotation, +3.5° – + 6.0°, solubility(miscible with alcohol) for 2 ml add 8ml alcohol, absorption(270 nm) – max 1.50(1% solution wv in 96% ethanol), colour on 5.25” lovibond scale (yellowred) Y-10.0 max, R-1.0 max.