Pvp iodine(PVP-I) liquid and powder

Tests

Standard USP32

Examinations

Appearance

White or off-white powder

White powder

Identification

A. An orange-yellow precipitate is formed.

Conform

B. A pale blue precipitate is formed

Conform

C. A deep red color is produced.

Conform

5% in water)

3.0-7.0

3.80

Water

≤5.0%

3.50

Residue on ignition

≤0.1%

0.029

Lead

≤10ppm

<1

Limit of Aldehydes

≤0.05%

<0.05

Limti of Hydrazine

≤1ppm

<1

Vinylpyrrolidone (HPLC)

≤0.001%

0.0008

K-Value (1% aqueous solution)

27-32.4

30.10

Nitrogen content(on anhydrous basis)

11.5%-12.8%

12.10

Total Aerobic plate count CFU/g

≤100

<10

Mold/Yeast ,CFU/g

≤100

<10

Stalococcus Aureus, CFU/g

Negative

Negative

Salmonella, CFU/g

Negative

Negative

Pseudomonas aeruginosa, CFU/g

Negative

Negative

E.coli CFU/g

Negative

Negative

Conclusion

This batch meets the requirement of USP32/NF27