HPLC An eluotropic series ranks column packing material by their relative abilities to retain solutes on the column ranks solvents by their relative abilities to displace solutes from a given absorbent is a measure of the solvent adsorption energy None of these ranks column packing material by their relative abilities to retain solutes on the column ranks solvents by their relative abilities to displace solutes from a given absorbent is a measure of the solvent adsorption energy None of these ANSWER DOWNLOAD EXAMIANS APP
HPLC A gradient elution in HPLC is one in which the composition of the solvent both (a) and (b) remains constant None of these is changed continuously or in a series of steps both (a) and (b) remains constant None of these is changed continuously or in a series of steps ANSWER DOWNLOAD EXAMIANS APP
HPLC Which of the following(s) is/are the advantage of HPLC over traditional LPLC (low-pressure liquid chromatography)? Ideal for ionic species and large molecules 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 ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC methods include ion exchange and size exclusion chromatography All of these liquid/liquid (partition) chromatography liquid/solid (adsorption) chromatography ion exchange and size exclusion chromatography All of these liquid/liquid (partition) chromatography liquid/solid (adsorption) chromatography ANSWER DOWNLOAD EXAMIANS APP
HPLC The eluent strength is a measure of solvent diffusivity solvent adsorption energy solvent absorption energy solvent mixing index solvent diffusivity solvent adsorption energy solvent absorption energy solvent mixing index ANSWER DOWNLOAD EXAMIANS APP
HPLC Column efficiency is measured in terms of number of plates which is 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 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 ANSWER DOWNLOAD EXAMIANS APP
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