PRODUCT NAME : L (+) - TARTARIC ACID    

EXPIRY DATE:2 YEARS

STANDARD: USP39

CAS NUMBER: 87-69-4

Test Item

Limit

Description

Colorless crystals or white crystalline powder

Identification

It responds to the reactions of tartrate, and the spectrum of the sample exhibits maxima at the same wavelengths as those in the spectrum of the reference standard

Identification IR

IR  spectrogram accords with Tartaric acid standard

spectrogram

Solubility

Very easy soluble in water, freely soluble in ethanol (96percent)

Assay    %

99.7~100.5

Specific rotation [α]D25℃ [(°)•dm2kg-1]

Solution concentration:20%

+12.0~+13.0

Loss on drying    %

≤0.5

Residue on ignition   %

≤0.1

Sulfate (SO4)

Passes test

Oxalate

Passes test

Heavy metals(Pb)  mg/kg

≤10

Particle size

14-60mesh

Conclusion

                    Conforms