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Item | STANDARD |
Identification, (IR) | Positive |
Assay (C3H7NO2) ,%(on dried basis) | 99.0~101.0 |
Specific rotation | +14.3°~ +15.° |
State of solution, % | 98.0 |
Chloride(as Cl),% | =<0.020 |
Ammonium (as NH4),% | =<0.02 |
Sulphate (as SO4),% | =<0.020 |
Iron(as Fe), ppm | =<10 |
Heavy metals (as Pb), ppm | =<10 |
Arsenic(as As2O3), ppm | =<1 |
Other amino acids | Meets the requirements |
Loss on drying, % | =<0.20 |
Residue on ignition(as sulphated ash), % | =<0.10 |
pH value (1.0g/20mL water) | 5.7~6.7 |
User : Elyas Faris 2014-11-24 20:05:00
Elyas Faris Q : Hello, we are in need of L-Alanine, before order we need to know the quantity, so is sample possible?
FOODCHEM A : Yes, normally we can supply sample for test.
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