|
Appearance
|
White or off-white powder
|
|
Identification
|
A.An orange-yellow precipitate is formed
|
|
Identification
|
B.A pale blue precipitate is formed
|
|
Identification
|
C.A deep red color is produced
|
|
Identification
|
D.The substance dissolves
|
|
pH(5.0% in water solution)
|
3.0-5.0
|
|
Water
|
5.0%max
|
|
Residue on Ignition
|
0.1%max
|
|
Lead
|
10ppm max
|
|
Limit of Aldehydes
|
0.05%max
|
|
Limit of Hydrazine
|
1ppm max
|
|
Vinylpyrrolidone(HPLC)
|
0.001%
|
|
2-Pyrrolidone
|
3.0%max
|
|
Peroxides(H2O2)
|
400ppm max
|
|
Formic Acid
|
0.5%max
|
|
K-Value(1.0%in water solution)
|
27.0-32.4
|
|
Nitrogen content(on anhydrous basis)
|
11.5%-12.8%
|
|
Total Aerobic plate count CFU/g
|
≤100
|
|
Mold/Yeast,CFU/g
|
≤100
|
|
Staphylococcus Aureus,CFU/g
|
Negative
|
|
Salmonella,CFU/g
|
Negative
|
|
Pseudomonas aeruginosa,CFU/g
|
Negative
|
|
E.coli CFU/g
|
Negative
|
