Fig. 6From: Development of an eco-friendly HPLC method for the stability indicating assay of binary mixture of ibuprofen and phenylephrineDiagram showing: a the composition of YMC-C8 column; b 2D interaction of Deg1 and the reversed phase stationary phase Si–O showing arene-H interaction; c 2D interaction of Deg2 and the reversed phase stationary phase Si–O showing arene-H interaction; d 2D interaction of IBU and the reversed phase stationary phase Si–OH; e 2D interaction of PHE and the reversed phase stationary phase Si–OHBack to article page