HPLC In normal phase HPLC, there is a polar solvent/non-polar column non polar solvent/polar column non polar solvent/non-polar column any of the above polar solvent/non-polar column non polar solvent/polar column non polar solvent/non-polar column any of the above ANSWER DOWNLOAD EXAMIANS APP
HPLC The eluent strength is a measure of solvent diffusivity solvent adsorption energy solvent absorption energy solvent mixing index solvent diffusivity solvent adsorption energy solvent absorption energy solvent mixing index ANSWER DOWNLOAD EXAMIANS APP
HPLC A gradient elution in HPLC is one in which the composition of the solvent remains constant None of these both (a) and (b) is changed continuously or in a series of steps remains constant None of these both (a) and (b) is changed continuously or in a series of steps ANSWER DOWNLOAD EXAMIANS APP
HPLC For a typical adsorbent such as silica gel, the most popular pore diameters are 10 and 50 A° 60 and 100 A° 100 and 150 A° 150 and 200 A° 10 and 50 A° 60 and 100 A° 100 and 150 A° 150 and 200 A° ANSWER DOWNLOAD EXAMIANS APP
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 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
EXAMIANS