Testing Results
Item Tolerance Test Result
Appearance White to slightly creamy white hygroscopic powder. Complies
Identification A. An orange-yellow precipitate is formed. Complies
B. A pale blue precipitate is formed. Complies
C. A deep red colour is produced. Complies
pH(1-20) 3.0~7.0 6.7
Water ≤5.0% 1.6%
Particle Size 40目 Complies
Residue on ignition ≤0.1% Complies
Lead* ≤10ppm Complies
Aldehydes ≤1ppm <0.005%
Hydrazine ≤1ppm <1ppm
N-Vinyl-2-pyrrolidinone ≤0.2% <0.2%
K-Value 81.0-97.2 92.7
Nitrogen 11.5%-12.8% 12.2%
TAMC ≤10⁵ cfu/g <10cfu/g
TYMC ≤10⁵ cfu/g <10cfu/g
E. Coli Negative in (1g) Negative