L-Malic acid

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描述
Appearance White crystals or crystalline powder
Assay 99.0% min
Specific Rotation -1.6 o — -2.6 o
Residue on ignition 0.05% max
Chloride 0.004% max
Sulphate 0.02% max
State of solution clarification
Readily oxidizable substance Qualified
Fumaric Acid 1.0% max
Maleic Acid 0.05% max
Heavy metals(as Pb) 20 ppm max
Arsenic(As) 2 ppm max
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