HPLC An eluotropic series ranks column packing material by their relative abilities to retain solutes on the column is a measure of the solvent adsorption energy ranks solvents by their relative abilities to displace solutes from a given absorbent None of these ranks column packing material by their relative abilities to retain solutes on the column is a measure of the solvent adsorption energy ranks solvents by their relative abilities to displace solutes from a given absorbent None of these ANSWER DOWNLOAD EXAMIANS APP
HPLC Which can be used as a mobile phase in HPLC applications? Any compound with solubility in liquid Any compound with limited solubility in liquid Any compound with non-solubility in liquid Any of the above Any compound with solubility in liquid Any compound with limited solubility in liquid Any compound with non-solubility in liquid Any of the above 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 is more sensitive than a UV detector It does not respond to many solutes none of above It can only be used for isocratic elutions It is more sensitive than a UV detector It does not respond to many solutes ANSWER DOWNLOAD EXAMIANS APP
HPLC An isocratic elution in HPLC is one in which the composition of the solvent none of these changes continuously changes in a series of steps remains constant none of these changes continuously changes in a series of steps remains constant ANSWER DOWNLOAD EXAMIANS APP
HPLC The eluent strength is a measure of solvent mixing index solvent absorption energy solvent diffusivity solvent adsorption energy solvent mixing index solvent absorption energy solvent diffusivity solvent adsorption energy ANSWER DOWNLOAD EXAMIANS APP
HPLC A gradient elution in HPLC is one in which the composition of the solvent remains constant is changed continuously or in a series of steps None of these both (a) and (b) remains constant is changed continuously or in a series of steps None of these both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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