L-Tryptophan feed grade
|
Testing Item |
Standard |
Result |
|
Appearance |
White to light yellow crystal powder |
conforms |
|
Assay/% |
≥98.00 |
99.10 |
|
Specific Rotation |
-29.0℃~32.8℃ |
-29.3℃ |
|
Residue on Ignition/% |
≤0.50 |
0.40 |
|
Loss on Drying/% |
≤0.50 |
0.30 |
|
Heavy Metal(Pb)/% |
≤5 |
<5 |
|
Arsenic(As)/% |
≤2 |
conforms |
|
Mercury(Hg)/% |
≤0.1 |
conforms |
|
Cadmium(Cd)/% |
≤2 |
conforms |
|
Salmonella |
Negative in 10g |
conforms |
|
PH |
5.0~7.0 |
conforms |
Describe
【Storage】: Stockpiled at the ventilated place, avoiding rain, moisture and insolation. Please handle with care to prevent bag damage, store away from toxic substances.
【Packing】: Net 20kg kraft paper bag or Net 20kg in Plastic woven bags with PE lining
【Loading】: 10MT/20FCL' ;9.2MT/20FCL' with pallets, 20MT/40FCL' with pallets
【Shelf Life】: Two years when properly stored
