HPLC Void volume refers to the the volume of the column between the point at which solvents are mixed and the beginning of the column total volume of eluent in the column the remainder being taken up by the packing material 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 total volume of eluent in the column the remainder being taken up by the packing material the time required for the gradient to reach the column the volume of solvent contained in a liquid chromatographic column ANSWER DOWNLOAD EXAMIANS APP
HPLC An eluotropic series 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 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 ANSWER DOWNLOAD EXAMIANS APP
HPLC In normal phase HPLC, there is a any of the above non polar solvent/polar column non polar solvent/non-polar column polar solvent/non-polar column any of the above non polar solvent/polar column non polar solvent/non-polar column polar solvent/non-polar column ANSWER DOWNLOAD EXAMIANS APP
HPLC Which can be used as a mobile phase in HPLC applications? 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 Any compound with non-solubility in liquid ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC methods include ion exchange and size exclusion chromatography liquid/solid (adsorption) chromatography All of these liquid/liquid (partition) chromatography ion exchange and size exclusion chromatography liquid/solid (adsorption) chromatography All of these liquid/liquid (partition) chromatography ANSWER DOWNLOAD EXAMIANS APP
HPLC An isocratic elution in HPLC is one in which the composition of the solvent none of these remains constant changes continuously changes in a series of steps none of these remains constant changes continuously changes in a series of steps ANSWER DOWNLOAD EXAMIANS APP
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