| Analysis Items | Specifications | Methods |
| Identifications |
- IR
| IR spectrum is concordant with spectrum of PQQ RS. |
- HPLC
| Retention time of the sample matches with the standard in HPLC purity test. |
| Physical Tests |
| Appearance | Henna fine powder | Visual |
| Smell & taste | Salty | Organoleptic |
| Particle size | 99% pass 20mesh | USP43<786> |
| Water content | ≤13.00% | USP43<921> |
| Residue on Ignition | ≤1.00% | USP43<281> |
| Active Ingredients Tests |
| PQQ.Na2 (Anhydrous basis) | 98.00%-102.00% | USP43<621> |
| Sodium (Anhydrous basis) | 10.50%-13.00% | USP43<621> |
| PQQ (Anhydrous basis) | ≥85.00% | USP43<621> |
| Total impurities | ≤1.00% | USP43<621> |
| Chemical Tests |
| Heavy Metals | ≤10.00ppm | USP43<231> |
| Pb<Lead> | ≤0.50ppm | USP43<211> |
| As<Inorganic Arsenic> | ≤1.00ppm | USP43<251> |
| Cd<Cadmium> | ≤0.10ppm | USP43<232> |
| Hg<Total Mercury> | ≤0.10ppm | USP43<261> |
| Residue of Ethanol | ≤5,000ppm | USP43<467> |
| Microbiological Tests |
| Total Bacterial Counts | ≤1,000cfu/g | USP43<2021> |
| Yeasts and Molds | ≤100cfu/g | USP43<2021> |
| Coliforms | ≤0.30MPN/g | USP43<2022> |
| E. Coli | Negative in 1g | USP43<2022> |
| Salmonella | Negative in 10g | USP43<2022> |
| * Conclusion: Conform to above specifications. |
| * Statements : Irradiated free, GMO free, Additives free,WADA Free, BSE/TSE Free. |
| * Packaging: 1/5kg per tin or 25kg per fiber drum. |
| * Storage Condition: Preserve in well-closed, tight containers with temperature below 25℃. |
| * Shelf Life: 3 years when properly stored. |
