DL-Leucine CAS:328-39-2 98.5%～101.0%
|
Solubility in 3M-HCl |
Colorless & clear (c=5) |
|
Loss on drying |
Not more than 0.3% |
|
Residue on ignition (as sulfate) |
Not more than 0.1% |
|
Chloride (Cl) |
Not more than 0.03% |
|
Sulfate (SO4) |
Not more than 0.03% |
|
Heavy metals (as Pb) |
Not more than 10ppm |
|
Iron (Fe) |
Not more than 10ppm |
|
Ammonium (NH4) |
Not more than 0.02% |
|
Arsenic (As2O3) |
Not more than 1ppm |
|
Other amino acids |
Not detected by T.L.C.(The spotted amount, 50μg) |
|
Assay |
98.5%～101.0% |
DL-Leucine is used for the following applications:
• Used as a standard for the measurement of free amino acids[1]
• Used in the process of tritiated leucine uptake[2]
• Used in solution preparation (various organics were used in different combinations and concentrations to model complex surface tension effects, DL-Leucine is one of them). It is chosen due to its presence in atmospheric aerosols and ice nucleation activity as well as for its surfactant character[3]
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