FAC Colour (AOCS Cc 13a-43)

Range: 1 - 45 (odd numbers) Path Length: 10mm

Approved by the Fats Analysis Committee of the American Oil Chemists Society for grading dark coloured oils, fats and tallows. It includes 26 colour standards divided into 5 groups:

Scale 1 (1, 3, 5, 7, 9) for lighter coloured fats;

Scale 2 (11, 11a, 11b, 11c) predominantly for yellow fats;

Scale 3 (13, 15, 17, 19) for dark fats (red cast);

Scale 4 (21, 23, 25, 27, 29) for very dark fats, predominantly green;

Scale 5 (31, 33, 35, 37, 39, 41, 43, 45) for very dark fats, predominantly red.