HPLC An isocratic elution in HPLC is one in which the composition of the solvent changes continuously none of these changes in a series of steps remains constant changes continuously none of these changes in a series of steps remains constant ANSWER DOWNLOAD EXAMIANS APP
HPLC In reversed phase HPLC, there is a non polar solvent/non-polar column non polar solvent/polar column any of the above polar solvent/non-polar column non polar solvent/non-polar column non polar solvent/polar column any of the above polar solvent/non-polar column ANSWER DOWNLOAD EXAMIANS APP
HPLC Which of the following statements is true for a refractive index detector in HPLC? none of above It can only be used for isocratic elutions It does not respond to many solutes It is more sensitive than a UV detector none of above It can only be used for isocratic elutions It does not respond to many solutes It is more sensitive than a UV detector ANSWER DOWNLOAD EXAMIANS APP
HPLC A gradient elution in HPLC is one in which the composition of the solvent 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 remains constant None of these 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
EXAMIANS