HPLC Which of the following statements is true for a refractive index detector in HPLC? none of above It does not respond to many solutes It is more sensitive than a UV detector It can only be used for isocratic elutions none of above It does not respond to many solutes It is more sensitive than a UV detector It can only be used for isocratic elutions 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
HPLC In normal phase HPLC, there is a 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 polar solvent/non-polar column ANSWER DOWNLOAD EXAMIANS APP
HPLC An isocratic elution in HPLC is one in which the composition of the solvent remains constant changes continuously changes in a series of steps none of these remains constant changes continuously changes in a series of steps none of these ANSWER DOWNLOAD EXAMIANS APP
HPLC The eluent strength is a measure of solvent absorption energy solvent mixing index solvent adsorption energy solvent diffusivity solvent absorption energy solvent mixing index solvent adsorption energy solvent diffusivity ANSWER DOWNLOAD EXAMIANS APP
HPLC Dwell volume is defined as 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 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 ANSWER DOWNLOAD EXAMIANS APP
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