HPLC Which of the following statements is true for a refractive index detector in HPLC? It can only be used for isocratic elutions It is more sensitive than a UV detector none of above It does not respond to many solutes It can only be used for isocratic elutions It is more sensitive than a UV detector none of above It does not respond to many solutes 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 Ideal for ionic species and large molecules All of these Greater sensitivity and reusable columns Sample recovery Ideal for ionic species and large molecules All of these Greater sensitivity and reusable columns ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC methods include All of these liquid/liquid (partition) chromatography 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 ANSWER DOWNLOAD EXAMIANS APP
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 The eluent strength is a measure of solvent diffusivity solvent absorption energy solvent mixing index solvent adsorption energy solvent diffusivity solvent absorption energy solvent mixing index solvent adsorption energy 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 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 ANSWER DOWNLOAD EXAMIANS APP
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