Lanolin Pharmaceutical Grade USP23/28

Test Parameters

Lanolin Anhydrous USP23

Lanolin Anhydrous USP28

Odor

without abnormal odor

odorless

Color by Gardner

≤8

≤10

Acid value, mg KOH/g

≤1.0

≤1.0

Loss on drying

≤0.25%

≤0.25%

Water-soluble acids & alkalis

Conform

Conform

Water-soluble oxidizable substance

Conform

Conform

Saponification value, mg KOH/g

90-105

90-105

Paraffin

≤1.0%

≤1.0%

Alkalinity

Conform

Conform

Chlorine

≤150 ppm

≤150 ppm

Acidity

≤2

≤2

Ash content

≤0.1%

≤0.1%

Melting point, °C

38-44

38-44

Iodine value, gl/100g

18-36

18-36

Identification

Conform

Conform

Pesticides total content

≤40 ppm

Individual Pesticide content

≤10 ppm

Lanolin Personal Care Grade

Test Parameters

Lanolin Anhydrous Cosmetics Grade

Odor

Without abnormal odour

Color by Gardner

≤10

Acid value,mg KOH/g

≤1.0

Loss on drying

≤0.5%

Water-soluble acids & alkalis

Conform

Water-soluble oxidizable substance

Conform

Saponification value, mg KOH/g

90-105

Paraffin

≤1.0%

Alkalinity

Conform

Chlorine

≤150ppm

Ash content

≤0.15%

Melting point, °C

38-44°C

Water absorptivity

≥200%

Identification

Conform

Lanolin Industrial Grade

Test Parameters

Grade A

Grade B

Grade C

Acid value, mg KOH/g

≤3

3 - 5

3 - 5

Appearance

brown

Light brown

chololatebrown

Loss on drying

≤1%

≤1%

≤1%

Melting point,°C

38-44

38-44

38-44

Saponification valuemg KOH/g

90 - 105

90 - 105

90 - 105

Ash

≤0.5%

≤0.5%

≤0.5%