HPLC Which can be used as a mobile phase in HPLC applications? Any compound with non-solubility in liquid Any compound with limited solubility in liquid Any compound with solubility in liquid Any of the above Any compound with non-solubility in liquid Any compound with limited solubility in liquid Any compound with solubility in liquid Any of the above ANSWER DOWNLOAD EXAMIANS APP
HPLC The eluent strength is a measure of solvent mixing index solvent adsorption energy solvent absorption energy solvent diffusivity solvent mixing index solvent adsorption energy solvent absorption energy solvent diffusivity ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC methods include liquid/liquid (partition) chromatography liquid/solid (adsorption) chromatography ion exchange and size exclusion chromatography All of these liquid/liquid (partition) chromatography liquid/solid (adsorption) chromatography ion exchange and size exclusion chromatography All of these 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 none of above It is more sensitive than a UV detector It can only be used for isocratic elutions It does not respond to many solutes none of above It is more sensitive than a UV detector It can only be used for isocratic elutions ANSWER DOWNLOAD EXAMIANS APP
HPLC A gradient elution in HPLC is one in which the composition of the solvent is changed continuously or in a series of steps both (a) and (b) None of these remains constant is changed continuously or in a series of steps both (a) and (b) None of these remains constant ANSWER DOWNLOAD EXAMIANS APP
HPLC Dwell volume is defined as the time required for the gradient to reach the column none of these 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 the time required for the gradient to reach the column none of these 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 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS