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Hypoxanthine

發(fā)布時間:[2020/07/09]



Hypoxanthine


Product:Hypoxanthine
 
Item of test
 
Specifications of test
 
Results of test
 
Description
 
White or oyster white powder
 
oyster white powder
 
Solubility
 
Slightly soluble in dimethyl sulphoxide and alcohol,soluble in dilute acids and alkalies
 
Complies
 
Identification
 
Main spot comparable with standard
 
Complies
 
Loss on drying
 
Not more than 0.5%
 
0.28%
 
Sulphated Ash
 
Not more than 0.2%
 
0.07%
 
Heavy Metals
 
Not more than 0.002%
 
Complies
 
Absorbance index
 
At wavelength 247nm maximum absorption,Absorbance index 800±20
 
794
 
Impurities
 
Single impurity not more than 0.5%
 
0.29%
 
Assay
 
Total impurities not more than 1.0%
 
0.64%
 
Min 99.0%
 
99.4%
 
Conclusion:Complies with in-house standard