HPLC A gradient elution in HPLC is one in which the composition of the solvent None of these both (a) and (b) remains constant is changed continuously or in a series of steps None of these both (a) and (b) remains constant 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 100 and 150 A° 10 and 50 A° 150 and 200 A° 60 and 100 A° 100 and 150 A° 10 and 50 A° 150 and 200 A° 60 and 100 A° ANSWER DOWNLOAD EXAMIANS APP
HPLC In normal phase HPLC, there is a 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 non polar solvent/polar column non 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 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 none of these the time required for the gradient to reach the column 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 none of these ANSWER DOWNLOAD EXAMIANS APP
HPLC Which of the following statements is true for a refractive index detector in HPLC? It can only be used for isocratic elutions none of above It is more sensitive than a UV detector It does not respond to many solutes It can only be used for isocratic elutions none of above It is more sensitive than a UV detector It does not respond to many solutes ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC stands for High Pressure Liquid Chromatography Highly Placed Liquid Chromatography High Performance Liquid Chromatography both (a) and (b) High Pressure Liquid Chromatography Highly Placed Liquid Chromatography High Performance Liquid Chromatography both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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