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DETAILS
FUNCTION
Application
COA| ITEMS | SPECIFICATION | RESULT | METHOD |
|---|---|---|---|
| Content | Vitamin B4 ≥98% | Conform | USP |
| Odor | Characteristic | Conform | Organoleptic |
|---|---|---|---|
| Taste | Characteristic | Conform | Organoleptic |
| Particle Size | NLT 95% Through 80 mesh | Conform | Analytical sieving || USP |
| Loss on Drying | NMT 0.5% | Conform | USP |
| Residue on Ignition (before add SiO2) | NMT 0.1% | Conform | USP |
| pH (1 in 10) | 3.0~4.0 | Conform | USP Method I |
| Tapped Density | Between 50~90g/100ml | Conform | USP Method I |
| Residual Solvent | NMT 5,000ppm | Conform | GC || USP |
|---|---|---|---|
| Pesticide Residue | Meet the requirements | Conform | GC || USP |
| Heavy Metals(as Pb) | NMT 10ppm | Conform | USP Method II |
| Arsenic (As) | NMT 1ppm | Conform | ICP-MS |
| Lead (Pb) | NMT 1ppm | Conform | ICP-MS |
| Cadmium (Cd) | NMT 0.2ppm | Conform | ICP-MS |
| Mercury (Hg) | NMT 0.2ppm | Conform | ICP-MS |
| 1,4-Dioxane | Passes test | Conform | ICP-MS |
| Total Plate Count | NMT 1000cfu/g | Conform | USP |
|---|---|---|---|
| Total Yeast & Mold | NMT 100cfu/g | Conform | USP |
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