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Fig. 2 | BMC Chemistry

Fig. 2

From: A green TLC densitometric method for the simultaneous detection and quantification of naphazoline HCl, pheniramine maleate along with three official impurities

Fig. 2

TLC chromatogram of NPZ (30.0 µg band −1), PHN (90.0 µg band −1) and three of their official impurities as NPZ impurity B (10.0 µg band −1), PHN impurity A (40.0 µg band −1) and PHN impurity B (40.0 µg band −1) using a mobile phase of methanol: ethyl acetate: ammonia (2.0: 8.0: 1.0, by volume) and detection at 260.0 nm

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