| ≥1 piece |
|
TEST |
METHOD |
RANGE |
|
Specific gravity |
USP |
0.916-0.922 |
|
Refractive index |
USP |
1.465-1.475 |
|
Heavy metals, Method II |
USP |
0.001% max |
|
Iodine value |
USP |
120 - 141 |
|
Free fatty acids |
USP |
< 2.5 mL of 0.02 N NaOH |
|
Saponification value |
USP |
180 - 200 |
|
Unsaponifiable matter |
USP |
< 1.0% |
|
Cottonseed Oil |
USP |
passes |
|
Peroxide |
USP |
10.0 max |
|
Fatty acid composition |
USP |
|
|
palmitate |
C16:0 |
7 - 14 |
|
stearate |
C18:0 |
1 - 6 |
|
oleate |
C18:1 |
19 - 30 |
|
linoleate |
C18:2 |
44 - 62 |
|
linolenate |
C18:3 |
4 - 11 |
|
Color Gardner |
AOCS Td la-64 |
4 max |
|
Appearance |
Greenish-yellow, bright & clear oily liquid |
|
|
Flavor and Odor |
Bland, almost odorless |
|
|
Typical peroxide value |
USP 26 |
< 1.0 meq/kg |
Because of natural variations in oilseed crops, chemical and physical constants cannot be guaranteed at all times. However, oil sold as USP is guaranteed to meet the USP monograph..