L(+) TARTARIC ACID Extra Pure
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Chemical Specifications
Appearance
White crystalline powder
Assay
Min 99.5%
Specific optical rotation ([α]20/D)
+12.0° to +12.8°
Chloride (Cl)
Max 0.002%
Sulphate (SO4)
Max 0.015%
Oxalate (as C2H2O4)
Max 0.05%
Heavy metal (as Pb)
Max 0.001%
Copper (Cu)
Max 0.001%
Zinc (Zn)
Max 0.001%
Arsenic (As)
Max 0.0001%
Loss on drying (at 105°C)
Max 0.5%
Sulphated ash
Max 0.05%