Model Number

USP23

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
≤40 ppm

Individual Pesticide content
≤10 ppm
≤40 ppm