ITEMS

SPECIFICATION

RESULTS

Appearance

White crystalline powder

Conforms

Freely soluble in water,almost insoluble in ethanol and chloroform or ether

Melting Point

204~207℃

204.0~204.5℃

Identification

The infrared absorption spectrum is concordant with the reference spectrum

Conforms

Clarity of solution

Should be conform

Conforms

pH

7.5~8.0

7.8

Sulfate

NMT0.01%

Conforms

Calciumion

Should be conform

Conforms

Chloride

NMT14ppm

Conforms

Loss on drying

Not more than 0.5%

0.20%

Residue on ignition

Not more than 0.1%

0.03%

Heavy metals

NMT10ppm

Conforms

Assay

Contains NLT 98.5% of C6H13NO2,calculated on the anhydrous basis.

99.6% (titration)

Conclusion: The test results are conformed to the in-house specification