HPLC Which can be used as a mobile phase in HPLC applications? Any of the above Any compound with solubility in liquid Any compound with non-solubility in liquid Any compound with limited solubility in liquid Any of the above Any compound with solubility in liquid Any compound with non-solubility in liquid Any compound with limited solubility in liquid 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 In normal phase HPLC, there is a non polar solvent/non-polar column any of the above polar solvent/non-polar column non polar solvent/polar column non polar solvent/non-polar column any of the above polar solvent/non-polar column non polar solvent/polar column ANSWER DOWNLOAD EXAMIANS APP
HPLC The eluent strength is a measure of solvent adsorption energy solvent diffusivity solvent mixing index solvent absorption energy solvent adsorption energy solvent diffusivity solvent mixing index solvent absorption energy 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 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 the volume of solvent contained in a liquid chromatographic column total volume of eluent in the column the remainder being taken up by the packing material 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 the volume of solvent contained in a liquid chromatographic column ANSWER DOWNLOAD EXAMIANS APP
HPLC For a typical adsorbent such as silica gel, the most popular pore diameters are 150 and 200 A° 100 and 150 A° 60 and 100 A° 10 and 50 A° 150 and 200 A° 100 and 150 A° 60 and 100 A° 10 and 50 A° ANSWER DOWNLOAD EXAMIANS APP
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