Test Items | Specification | Test Method | |||
Appearance | White to off-white powder | Visual | |||
Moisture | ≤2% | Karl. Fisher method | |||
Bulk Density | 0.5-0.7g/ml | Average Bulk Density | |||
pH | 3.0-4.0 | pH meter | |||
Purity | ≥98% | HPLC | |||
Ethanol | ≤ 500ppm | GC | |||
Heavy Metal | |||||
Lead (Pb) | ≤0.5 ppm | ICP-MS | |||
Arsenic (As) | ≤0.5 ppm | ICP-MS | |||
Cadmium (Cd) | ≤0.5 ppm | ICP-MS | |||
Mercury (Hg) | ≤0.1 ppm | ICP-MS | |||
Microbiological Tests | |||||
Total Microbial Count | ≤750CFU/g | AOAC 990.12 | |||
Mold and Yeast | ≤100CFU/g | AOAC 997.02 | |||
E. Coli. | Negative/10g | AOAC 991.14 | |||
Salmonella | Negative/10g | AOAC 998.09 | |||
Staphylococcus aureus | Negative/10g | AOAC 2003.07 |