| 外观性状 |
符合BP 2014
Appearance White Crystalline power
Identification
A UV spectrum: Maximum only at 275 nm with A ~ 1,08
B. Gas chromatography
C. Colour reaction
Loss on drying 0.5% max
Residue on ignition 0.5% max
Acidity comply with the test
Chlorides 330ppm max
Sulphated ash 0.1% max
Solubility
1. Slightly soluble in water
2. Freely soluble In ethanol (96 percent) and diethyl ether
3. Practically insoluble in peanut oil
Melting point 151-154deg.C
Purity 99.0% min
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