HPLC In reversed phase HPLC, there is a any of the above polar solvent/non-polar column non polar solvent/non-polar column non polar solvent/polar column any of the above polar solvent/non-polar column non polar solvent/non-polar column non polar solvent/polar column ANSWER DOWNLOAD EXAMIANS APP
HPLC For a typical adsorbent such as silica gel, the most popular pore diameters are 100 and 150 A° 150 and 200 A° 10 and 50 A° 60 and 100 A° 100 and 150 A° 150 and 200 A° 10 and 50 A° 60 and 100 A° ANSWER DOWNLOAD EXAMIANS APP
HPLC An isocratic elution in HPLC is one in which the composition of the solvent remains constant none of these changes continuously changes in a series of steps remains constant none of these changes continuously changes in a series of steps 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 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 ANSWER DOWNLOAD EXAMIANS APP
HPLC An eluotropic series is a measure of the solvent adsorption energy ranks column packing material by their relative abilities to retain solutes on the column None of these ranks solvents by their relative abilities to displace solutes from a given absorbent is a measure of the solvent adsorption energy ranks column packing material by their relative abilities to retain solutes on the column None of these ranks solvents by their relative abilities to displace solutes from a given absorbent ANSWER DOWNLOAD EXAMIANS APP
HPLC The eluent strength is a measure of solvent adsorption energy solvent mixing index solvent diffusivity solvent absorption energy solvent adsorption energy solvent mixing index solvent diffusivity solvent absorption energy ANSWER DOWNLOAD EXAMIANS APP