- Organic Intermediate[6]
- Food Additives[10]
- Pharmaceutical[10]
- Plant Extract[10]
- Contact Person : Ms. Zhao Caihong
- Company Name : Xi'an Rainbow Bio-Tech Co., Ltd.
- Tel : 86-029-68596376
- Address : Shanxi,Xi'an,Ronm 21103,Lingxian Shidai Square No.86 Gao Xin Rd
- Country/Region : China
- Zip : 710075
Quercetin HPLC95
TEST | HPLC 95% | RESULTS | Test Method |
Appearance | yellow powder | Complies | Visual |
Identification | Must positive | Positive | Infrared Absorption |
Melting point | 305°C-315°C | 311°C | Melting point Apparatus |
Particle size | 95% pass through sieve 80mesh | Complies | US Screen |
Reducing sugars | Not be detected | Not detected | Chemical reaction |
Sulfate | 1000ppm | 1000ppm | AJ192 |
Chloride | 1000ppm | 1000ppm | AJ192 |
Bulk density | 0.20gm/cc | 0.27gm/cc | CP2010 |
Tapped density | 0.30gm/cc | 0.38gm/cc | CP2010 |
Heavy metals | 10ppm | 10ppm | Visual Colorimetry |
-Arsenic | 1ppm | 1ppm | AAS |
-Mercury | 0.1ppm | 0.1ppm | AAS |
-Cadmium | 1ppm | 1ppm | AAS |
-Lead | 3ppm | 3ppm | AAS |
Ash | 0.30% | 0.19% | CP2010 |
Loss on drying | 12.0% | 11.20% | 120°C/3h |
Assay by HPLC | 95.0% | 95.22% | HPLC |
Microbiological test: | |||
Total plate count | 1000cfu/g | 100cfu/g | AOAC966.23 |
Mildew&Yeast | 100cfu/g | 20cfu/g | FDABAM8th |
E.Coli | Negative | Negative | FDABAM8th |
Salmonella | Negative | Negative | FDABAM8th |
Coliforms | 10cfu/g | 10cfu/g | AOAC911.14 |
Residual Solvent | Meets the requirements of USP | ||
Resticide Screen | Meets the requirements of USP | ||
GMO/BSE Status | Not genetically modified organism .Free of BSE | ||
Storage | Store in tight containers,in a cool dry area. | ||
Quercetin HPLC95
