HPLC An isocratic elution in HPLC is one in which the composition of the solvent none of these remains constant changes continuously changes in a series of steps none of these remains constant changes continuously changes in a series of steps ANSWER DOWNLOAD EXAMIANS APP
HPLC The eluent strength is a measure of solvent absorption energy solvent diffusivity solvent mixing index solvent adsorption energy solvent absorption energy solvent diffusivity solvent mixing index solvent adsorption energy ANSWER DOWNLOAD EXAMIANS APP
HPLC Which of the following statements is true for a refractive index detector in HPLC? 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 It does not respond to many solutes ANSWER DOWNLOAD EXAMIANS APP
HPLC Dwell volume is defined as the volume of the column between the point at which solvents are mixed and the beginning of the column none of these the volume of solvent contained in a liquid chromatographic column 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 none of these the volume of solvent contained in a liquid chromatographic column the time required for the gradient to reach the column ANSWER DOWNLOAD EXAMIANS APP
HPLC A gradient elution in HPLC is one in which the composition of the solvent 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 is changed continuously or in a series of steps ANSWER DOWNLOAD EXAMIANS APP
HPLC Which can be used as a mobile phase in HPLC applications? 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 Any compound with non-solubility in liquid Any compound with limited solubility in liquid Any compound with solubility in liquid ANSWER DOWNLOAD EXAMIANS APP
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