HPLC In reversed phase HPLC, there is a polar solvent/non-polar column any of the above non polar solvent/non-polar column non polar solvent/polar column polar solvent/non-polar column any of the above non polar solvent/non-polar column non polar solvent/polar column ANSWER DOWNLOAD EXAMIANS APP
HPLC An eluotropic series 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 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 ANSWER DOWNLOAD EXAMIANS APP
HPLC Which of the following(s) is/are the advantage of HPLC over traditional LPLC (low-pressure liquid chromatography)? Greater sensitivity and reusable columns Sample recovery All of these Ideal for ionic species and large molecules Greater sensitivity and reusable columns Sample recovery All of these Ideal for ionic species and large molecules ANSWER DOWNLOAD EXAMIANS APP
HPLC An isocratic elution in HPLC is one in which the composition of the solvent none of these changes in a series of steps remains constant changes continuously none of these changes in a series of steps remains constant changes continuously ANSWER DOWNLOAD EXAMIANS APP
HPLC A gradient elution in HPLC is one in which the composition of the solvent remains constant None of these both (a) and (b) is changed continuously or in a series of steps remains constant None of these both (a) and (b) is changed continuously or in a series of steps 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
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