Melatonin Suppliers, Melatonin Manufacturers.
Melatonin 99% by HPLC
Delivery on time
Professional service,strictly QC/QA system
GMP+KOSHER+HALAR+ISO9001
|
Item
|
Specification | Results |
|
Assay(MELATONIN 99% by HPLC) |
≥ 99.0 % |
99.45% |
|
Appearance |
A white or pale-white crystalline powder, odorless |
Complies |
|
Loss on drying |
0.5%MAX |
0.17% |
|
Identification |
Positive reaction |
Complies |
|
Residue on ignition |
0.1%MAX |
0.07% |
|
Melting point |
117~120°C |
118~119.5°C |
|
Heavy metal |
10ppm MAX |
Complies |
|
Clarity and degree of opalescence of liquids |
1% ethanol and chloroform solution |
Complies |
|
Particle size |
80-120 mesh |
Conforms |
|
Individual |
0.5% MAX |
0.2% |
| Total |
1.0% MAX |
0.42% |
| Yeast & mold |
<100/ g |
Conforms |
| E.coil |
Negative |
Negative |
| Salmonelia |
Negative |
Negative |
Company： |
GA INTERNATIONAL |
E-mail： |
chem@netsun.com |
Address： |
Renmin West Road,Linzi District,Zibo,China |
Zip Code： |
255000 |
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