USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-10.00 / Kilogram
item | specification |
appearance | white crystals or crystalline powder |
assay | 98.5%~101.0% |
state of solution | ≥95.0% |
specific rotation | -74.0°~ -77.0° |
ph | 5.0-6.5 |
chloride (cl) | ≤0.020% |
sulfate(so4) | ≤0.020% |
ammonium(nh4) | ≤0.020% |
heavy metals(pb) | ≤10ppm |
iron(fe) | ≤10ppm |
arsenic(as2o3) | ≤1ppm |
other amino acids | conforms |
loss on drying | ≤0.20% |
residue on ignition | ≤0.10% |