Determination of Vitamin C Injection by Ultisil XB-NH2

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Test graph

ColumnUltisil XB-NH2(
4.6×250mm,5μm)
Mobile Phase0.05mol/ Potassium Dihydrogen Phosphate/acetonitrile =25/75
Detection210nm
Temperature30℃
Flow Rate2.0ml/min
Injection Volume20ul
Note/

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