b. (1) 13 marks) (ii) [3 marks) Name three common uses of High Performance Liquid Chromatography (HPLC) in the laboratory Briefly outline, The principles governing the analytes separation in the column. The parameter that allows you to identify each analyte. The feature in the chromatogram associated to the analytes' concentration What does the acronym IEX stands for? Briefly describe the nature of the molecular interactions responsible for separations by IEX chromatography. You can draw a sketch to illustrate your answer. [2 marks] [2 marks] (iii) [3 marks)