HPLC Which of the following statements is true for a refractive index detector in HPLC? It is more sensitive than a UV detector It can only be used for isocratic elutions It does not respond to many solutes none of above It is more sensitive than a UV detector It can only be used for isocratic elutions It does not respond to many solutes none of above ANSWER DOWNLOAD EXAMIANS APP
HPLC Dwell volume is defined as the volume of the column between the point at which solvents are mixed and the beginning of the column the volume of solvent contained in a liquid chromatographic column none of these 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 the volume of solvent contained in a liquid chromatographic column none of these the time required for the gradient to reach the column ANSWER DOWNLOAD EXAMIANS APP
HPLC A gradient elution in HPLC is one in which the composition of the solvent 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 both (a) and (b) remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
HPLC Which can be used as a mobile phase in HPLC applications? 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 Any compound with solubility in liquid Any compound with limited solubility in liquid ANSWER DOWNLOAD EXAMIANS APP
HPLC The eluent strength is a measure of solvent absorption energy solvent diffusivity solvent mixing index solvent adsorption energy solvent absorption energy solvent diffusivity solvent mixing index solvent adsorption energy ANSWER DOWNLOAD EXAMIANS APP
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
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