HPLC In normal phase HPLC, there is a 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 any of the above ANSWER DOWNLOAD EXAMIANS APP
HPLC Which can be used as a mobile phase in HPLC applications? Any compound with solubility in liquid Any compound with limited solubility in liquid Any of the above Any compound with non-solubility in liquid Any compound with solubility in liquid Any compound with limited solubility in liquid Any of the above Any compound with non-solubility in liquid ANSWER DOWNLOAD EXAMIANS APP
HPLC Column efficiency is measured in terms of number of plates which is inversely related to the square of the peak width directly related to the square of the peak width directly related to the square of the peak width inversely related to the cube root of the peak width inversely related to the square of the peak width directly related to the square of the peak width directly related to the square of the peak width inversely related to the cube root of the peak width ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC methods include liquid/solid (adsorption) chromatography liquid/liquid (partition) chromatography All of these ion exchange and size exclusion chromatography liquid/solid (adsorption) chromatography liquid/liquid (partition) chromatography All of these ion exchange and size exclusion chromatography ANSWER DOWNLOAD EXAMIANS APP
HPLC Which of the following statements is true for a refractive index detector in HPLC? It does not respond to many solutes It is more sensitive than a UV detector none of above It can only be used for isocratic elutions It does not respond to many solutes It is more sensitive than a UV detector none of above It can only be used for isocratic elutions ANSWER DOWNLOAD EXAMIANS APP
HPLC The eluent strength is a measure of solvent diffusivity solvent mixing index solvent adsorption energy solvent absorption energy solvent diffusivity solvent mixing index solvent adsorption energy solvent absorption energy ANSWER DOWNLOAD EXAMIANS APP
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