aji92 standard
d-threonine
appearance |
white crystalline powder |
specific rotation |
+27°~ +29° |
state of solution |
≥95.0% |
chloride |
≤0.10% |
heavy metals(pb) |
≤10ppm |
arsenic |
≤2ppm |
loss on drying |
≤0.20% |
residue on ignition |
≤0.20% |
assay |
98.0%~101.0% |