HPLC An eluotropic series ranks solvents by their relative abilities to displace solutes from a given absorbent None of these is a measure of the solvent adsorption energy 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 None of these is a measure of the solvent adsorption energy ranks column packing material by their relative abilities to retain solutes on the column ANSWER DOWNLOAD EXAMIANS APP
HPLC Which can be used as a mobile phase in HPLC applications? Any of the above Any compound with limited solubility in liquid Any compound with solubility in liquid Any compound with non-solubility in liquid Any of the above Any compound with limited solubility in liquid Any compound with solubility in liquid Any compound with non-solubility in liquid ANSWER DOWNLOAD EXAMIANS APP
HPLC The eluent strength is a measure of solvent mixing index solvent diffusivity solvent absorption energy solvent adsorption energy solvent mixing index solvent diffusivity solvent absorption energy solvent adsorption energy ANSWER DOWNLOAD EXAMIANS APP
HPLC An isocratic elution in HPLC is one in which the composition of the solvent none of these changes in a series of steps remains constant changes continuously none of these changes in a series of steps remains constant changes continuously ANSWER DOWNLOAD EXAMIANS APP
HPLC Which of the following(s) is/are the advantage of HPLC over traditional LPLC (low-pressure liquid chromatography)? Sample recovery Greater sensitivity and reusable columns Ideal for ionic species and large molecules All of these Sample recovery Greater sensitivity and reusable columns Ideal for ionic species and large molecules All of these ANSWER DOWNLOAD EXAMIANS APP
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 the volume of solvent contained in a liquid chromatographic 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 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 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 ANSWER DOWNLOAD EXAMIANS APP