73-22-3 L-Tryptophan
ITEMS |
SPECIFICATIONS |
PURITY |
≥98.0 % |
SPECIFIC ROTATION |
-29.0~ -32.8 |
CRUDE ASH HEAVY METALS Arsenic (As2S○3) LGNITED RESIDUE APPEARANCE
|
≤0.5% ≤20ppm ≤2ppm ≤0.5 % WHITE OR LIGHT BROWN POWDER
|
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