- Organic Intermediate[10]
- Pharmaceutical[10]
- Other Organic Chemical[1]
- Food Additives[10]
- Other Beauty & Personal Care Products[3]
- Plant Extract[3]
- Feed Additives[10]
- Agrochemicals & Pesticides[10]
- Other Chemicals[10]
- Other Petrochemical Related Products[2]
- Benzene & Derivatives[5]
- Dyestuffs[9]
- Chemical Auxiliary Agent[10]
- Polymer[2]
- Paint & Coating[2]
- Oxide[4]
- Organic Salt[2]
- Sulphate[1]
- Contact Person : Ms. Lian Crystal
- Company Name : Zhengzhou Sigma Chemical Co., Ltd.
- Tel : 86-371-67897895
- Fax : 86-371-67897876
- Address : Henan,Zhengzhou,No.8 Sanquan Road ,Jinshui District, Zhengzhou, Henan province, China
- Country/Region : China
- Zip : 450000
Huperzine-A-best quality in China
Test Items | Requirements | Results | |
Appearance | A white crystalline powder | White crystalline powder | |
Flavor & Odor | Odorless and bitter taste | Complies | |
Solubility | Soluble in methanol, partly soluble in ethanol, insoluble in water | Complies | |
Alkaloid identification | Positive reaction | Complies | |
HPLC identification | The retention time of sample consistent with that of the reference in the HPLC map. | Complies | |
Loss on drying | ≤4.0% | 0.8% | |
Ash | ≤1.0% | 0.27% | |
Related substances | Total area of impurities in the test solution must be less than the area of main leap in the reference solution | Complies | |
Heavy metal | ≤20 ppm | Complies | |
Arsenic | ≤20 ppm | Complies | |
Total Bacterial count | 1000 cuf/g max | Complies | |
Total Yeasts and molds | 1000 cuf/g max | 32cfu/g max | |
E. Coli | Negative | Not detected | |
Salmonella | Negative | Not detected | |
Assay (HPLC) | ≥99.0% | 99.50% | |
Conclusion | The product complies with enterprise standard. | ||
Checker: Chenfei Shen | Rechecker:Yingbin Zhang | Supervisor:Guangyuan Yang | |
Huperzine-A-best quality in China