Determination of Naphazoline Hydrochloride by Welchrom C18

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Naphazoline hydrochloride solution

ColumnWelchrom® C18(4.6×250mm，5um)
Mobile PhaseMethanol / water /triethylamine / phosphoric acid= 50 / 50 /0.25/0.075
Detection280nm
Temperature30℃
Flow Rate1.2ml/min
Injection Volume20ul
Note/

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