HPLC Which of the following statements is true for a refractive index detector in HPLC? 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 none of above It can only be used for isocratic elutions It is more sensitive than a UV detector ANSWER DOWNLOAD EXAMIANS APP
HPLC Which can be used as a mobile phase in HPLC applications? Any compound with non-solubility in liquid Any compound with solubility in liquid Any of the above Any compound with limited solubility in liquid Any compound with non-solubility in liquid Any compound with solubility in liquid Any of the above Any compound with limited solubility in liquid ANSWER DOWNLOAD EXAMIANS APP
HPLC Dwell volume is defined as the time required for the gradient to reach the column the volume of solvent contained in a liquid chromatographic column the volume of the column between the point at which solvents are mixed and the beginning of the column none of these the time required for the gradient to reach the column the volume of solvent contained in a liquid chromatographic column the volume of the column between the point at which solvents are mixed and the beginning of the column none of these ANSWER DOWNLOAD EXAMIANS APP
HPLC In normal phase HPLC, there is a 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 polar solvent/non-polar column any of the above non polar solvent/non-polar column ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC methods include liquid/solid (adsorption) chromatography liquid/liquid (partition) chromatography ion exchange and size exclusion chromatography All of these liquid/solid (adsorption) chromatography liquid/liquid (partition) chromatography ion exchange and size exclusion chromatography All of these ANSWER DOWNLOAD EXAMIANS APP
HPLC An eluotropic series 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 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 ANSWER DOWNLOAD EXAMIANS APP
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