Name:L-Histidine
Properties:
White crystal or crystalline powder,odorless,
easily soluble in water, insoluble in
alcohol and ether.
| Item |
Index |
| Specific
rotatory power[α] D20 |
+12.0º
— +12.8º |
| Clarity |
≥98.0% |
| Ammonium
salt[NH4] |
≤0.02% |
|
Chloride[CL] |
≤0.02% |
| Residue
on ignition |
≤0.10% |
| Sulfate[SO4] |
0.02% |
| Iron
salt[Fe] |
≤10
ppm |
| Heavy
metal[Pb] |
≤10
ppm |
| Arsenic
salt |
≤1
ppm |
| Other
amino acid |
Color
layer can not be checked out. |
| Loss
on drying |
≤0.20% |
| Content
|
98.5
— 101.0% |
Mainly used in curing ulcer of alimentay
organs and in biochemical research etc..
Packing:
Packed in cardboard drum with the lining
of two layers of plastic bags.
NW: 5 KG 10 KG 15
KG 25 KG.
