D(+)-Tryptophan Suppliers, D(+)-Tryptophan Manufacturers.
【Description】White or yellowish crystal powder, taste slightly sweet.
【Specification】
| Item | Limit |
| Appearance | White or yellow crystalline powder |
| Assay | 99.0%~101.0% |
| Specific Rotation [α]D20 | +30.5°~ +32.5° |
| Transmittance | ≥95.0% |
| PH | 5.5~ 6.4 |
| Loss on Drying | ≤0.2% |
| Residue on Ignition | ≤0.1% |
| Chloride [Cl-] | ≤0.02% |
| Sulfate [SO42-] | ≤0.02% |
| Ammonium [NH4+] | ≤0.02% |
| Heavy Metals [Pb] | ≤10ppm |
| Iron [Fe] | ≤10ppm |
| Arsenic [As2O3] | ≤1ppm |
| Other Amino Acids | Conforms |
【Function】D-Tryptophan is important nutrition product, it is be used as prevention of nicotinic acid deficiency
in medicine.
【Package】25kg net weight cardboard drum lined with PE bag, or according to the
customer`s demand.
Company： |
SHANDONG JU WEITAI BIOTECHNOLOGY CORP |
Contact： |
Wu Junzhi |
Phone： |
+86-530-8096776 13012659047 |
Mobile phone： |
+86-13012659047 |
Fax： |
+86-530-8097997 |
E-mail： |
 Contact Supplier |
Website：
|
http://www.wtbiochem.com |
Address： |
Dongguantun Coal-chemical Industrial Park, Juye County, Heze City, Shandong Prov |
Zip Code： |
274900 |
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