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 In normal phase HPLC, there is a polar solvent/non-polar column non polar solvent/non-polar column any of the above non polar solvent/polar column polar solvent/non-polar column non polar solvent/non-polar column any of the above non polar solvent/polar column ANSWER DOWNLOAD EXAMIANS APP
HPLC Which of the following(s) is/are the advantage of HPLC over traditional LPLC (low-pressure liquid chromatography)? Ideal for ionic species and large molecules Sample recovery Greater sensitivity and reusable columns All of these Ideal for ionic species and large molecules Sample recovery Greater sensitivity and reusable columns All of these ANSWER DOWNLOAD EXAMIANS APP
HPLC An isocratic elution in HPLC is one in which the composition of the solvent remains constant changes in a series of steps changes continuously none of these remains constant changes in a series of steps changes continuously none of these ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC methods include ion exchange and size exclusion chromatography liquid/liquid (partition) chromatography liquid/solid (adsorption) chromatography All of these ion exchange and size exclusion chromatography liquid/liquid (partition) chromatography liquid/solid (adsorption) chromatography All of these 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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