Items | Silk Peptide Powder | Silk Peptide Liquid |
Total Nitrogen(%) | ≥14.5 | ≥2.9 |
Drying Shrinkage(%) | 5.0 | |
Residue on Ignition(%) | 4.0 | 1.0 |
Solid Content(%) | 20 | |
PH Value | 4.5.0-6.5 | 3.0-7.0 |
Average Molecular Weight(Da) | 500-30000 | 500-10000 |
Pb( mg/kg) | ≤5 | ≤1 |
As( mg/kg) | ≤1 | ≤0.5 |
Hg( mg/kg) | ≤0.1 | |
Total Bacterial Count(CFU/g) | ≤1000 | ≤1000 |
Coliform(MPN/100g) | ≤90 | ≤90 |