USP32 |
No.
analysis item
quality standard
analysis result
1
Color, Gardner
≤8
7
2
Iodine value Hanus
18-36
27.2
3
Water(KF)
≤0.25%
0.11%
4
Acid value
≤1.12
0.40
5
Acidity
≤2
0.71
6
Water-soluble acids & alkalies
meet USP requirements
qualified
7
Water-soluble oxidizable substances
meet USP requirements
qualified
8
Petrolatum
meet USP requirements
qualified
9
Alkalinity
meet USP requirements
qualified
10
Ammonia
meet USP requirements
qualified
11
Chloride
≤0.035%
qualified
12
Residue on ignition
≤0.1%
0.08%
13
Melting point, (USP ClassⅡ)℃
38-44
40℃
14
Foreign Substances, ppm (Total)
≤40
3.79ppm
15
Foreign Substances, ppm (Individual)
≤10
0.67ppm
ResidualSolvent
≤0.5%
0.05%
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