HPLC Column efficiency is measured in terms of number of plates which is directly related to the square of the peak width inversely related to the cube root of the peak width inversely related to the square of the peak width directly related to the square of the peak width directly related to the square of the peak width inversely related to the cube root of the peak width inversely related to the square of the peak width directly related to the square of the peak width ANSWER DOWNLOAD EXAMIANS APP
HPLC An eluotropic series None of these ranks solvents by their relative abilities to displace solutes from a given absorbent ranks column packing material by their relative abilities to retain solutes on the column is a measure of the solvent adsorption energy None of these ranks solvents by their relative abilities to displace solutes from a given absorbent ranks column packing material by their relative abilities to retain solutes on the column is a measure of the solvent adsorption energy ANSWER DOWNLOAD EXAMIANS APP
HPLC Which of the following(s) is/are the advantage of HPLC over traditional LPLC (low-pressure liquid chromatography)? All of these Greater sensitivity and reusable columns Sample recovery Ideal for ionic species and large molecules All of these Greater sensitivity and reusable columns Sample recovery Ideal for ionic species and large molecules ANSWER DOWNLOAD EXAMIANS APP
HPLC In normal phase HPLC, there is a any of the above polar solvent/non-polar column non polar solvent/polar column non polar solvent/non-polar column any of the above polar solvent/non-polar column non polar solvent/polar column non polar solvent/non-polar column ANSWER DOWNLOAD EXAMIANS APP
HPLC Dwell volume is defined as the volume of solvent contained in a liquid chromatographic column the time required for the gradient to reach the column the volume of the column between the point at which solvents are mixed and the beginning of the column none of these the volume of solvent contained in a liquid chromatographic column the time required for the gradient to reach the column the volume of the column between the point at which solvents are mixed and the beginning of the column none of these ANSWER DOWNLOAD EXAMIANS APP
HPLC In reversed phase HPLC, there is a non polar solvent/non-polar column polar solvent/non-polar column any of the above non polar solvent/polar column non polar solvent/non-polar column polar solvent/non-polar column any of the above non polar solvent/polar column ANSWER DOWNLOAD EXAMIANS APP
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