HPLC Which of the following statements is true for a refractive index detector in HPLC? 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 It can only be used for isocratic elutions ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC methods include liquid/solid (adsorption) chromatography All of these liquid/liquid (partition) chromatography ion exchange and size exclusion chromatography liquid/solid (adsorption) chromatography All of these liquid/liquid (partition) chromatography ion exchange and size exclusion chromatography ANSWER DOWNLOAD EXAMIANS APP
HPLC Void volume refers to the total volume of eluent in the column the remainder being taken up by the packing material 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 total volume of eluent in the column the remainder being taken up by the packing material 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 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 HPLC stands for both (a) and (b) High Performance Liquid Chromatography Highly Placed Liquid Chromatography High Pressure Liquid Chromatography both (a) and (b) High Performance Liquid Chromatography Highly Placed Liquid Chromatography High Pressure Liquid Chromatography ANSWER DOWNLOAD EXAMIANS APP
HPLC Column efficiency is measured in terms of number of plates which is directly related to the square of the peak width inversely related to the cube root of the peak width directly related to the square of the peak width inversely 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 directly related to the square of the peak width inversely related to the square of the peak width ANSWER DOWNLOAD EXAMIANS APP