L-鸟氨酸alpha 酮戊二酸(2:1)
CAS :5144-42-3
Item:
Specifications
Method
Appearance
white powder
Visual
Assay
NLT 99.0%
USP
Loss on drying
3.0~5.0%
Residue on ignition
NMT 0.5%
Specific Rotation[α]D20
+7.5—+9.5°
PH
3.0—4.0
Heavy Metals(as Pb)
NMT 10.0ppm
Arsenic
NMT 0.1ppm
Lead
NMT 3.0ppm
Cadmium
Mercury
Mesh
100﹪Pass 40 mesh
Coliforms
Negative
Salmonella
Total plate count(cfu/g)
NMT 1000cfu/g
Yeast&mold
NMT 50cfu/g
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