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Table 7 Comparative overview on reported HPLC and proposed TLC methods

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

Ref. No

LOD

Elution time

EHS score

F-test

NPZ

PHN

NPZ

PHN

[19]

1.29 µg mL−1

3.10 µg mL−1

≈ 30 min

4.55 (acetonitrile)

3.90 (6.39)a

2.22 (6.39)a

This work

0.60 µg band−1

2.38 µg band−1

≈ 6 min

2.89 (ethyl acetate)

2.66 (methanol)

  1. aThis value represents the corresponding tabulated value of F at p = 0.05