HPLC A gradient elution in HPLC is one in which the composition of the solvent 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 both (a) and (b) None 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 none of these changes continuously remains constant changes in a series of steps none of these changes continuously ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC stands for Highly Placed Liquid Chromatography High Performance Liquid Chromatography High Pressure Liquid Chromatography both (a) and (b) Highly Placed Liquid Chromatography High Performance Liquid Chromatography High Pressure Liquid Chromatography both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
HPLC In normal phase HPLC, there is a 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 polar solvent/non-polar column 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 solvent contained in a liquid chromatographic column the volume of the column between the point at which solvents are mixed and the beginning of the column the time required for the gradient to reach the column none of these the volume of solvent contained in a liquid chromatographic column the volume of the column between the point at which solvents are mixed and the beginning of the column ANSWER DOWNLOAD EXAMIANS APP
HPLC For a typical adsorbent such as silica gel, the most popular pore diameters are 60 and 100 A° 150 and 200 A° 10 and 50 A° 100 and 150 A° 60 and 100 A° 150 and 200 A° 10 and 50 A° 100 and 150 A° ANSWER DOWNLOAD EXAMIANS APP