HPLC An eluotropic series None of these is a measure of the solvent adsorption energy ranks column packing material by their relative abilities to retain solutes on the column ranks solvents by their relative abilities to displace solutes from a given absorbent None of these is a measure of the solvent adsorption energy ranks column packing material by their relative abilities to retain solutes on the column ranks solvents by their relative abilities to displace solutes from a given absorbent 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
HPLC For a typical adsorbent such as silica gel, the most popular pore diameters are 150 and 200 A° 60 and 100 A° 100 and 150 A° 10 and 50 A° 150 and 200 A° 60 and 100 A° 100 and 150 A° 10 and 50 A° ANSWER DOWNLOAD EXAMIANS APP
HPLC Void volume refers to the the volume of the column between the point at which solvents are mixed and the beginning of the column the volume of solvent contained in a liquid chromatographic column the time required for the gradient to reach the 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 volume of solvent contained in a liquid chromatographic column the time required for the gradient to reach the column total volume of eluent in the column the remainder being taken up by the packing material ANSWER DOWNLOAD EXAMIANS APP
HPLC Which of the following statements is true for a refractive index detector in HPLC? 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 none of above It is more sensitive than a UV detector ANSWER DOWNLOAD EXAMIANS APP
HPLC A gradient elution in HPLC is one in which the composition of the solvent both (a) and (b) remains constant None of these is changed continuously or in a series of steps both (a) and (b) remains constant None of these is changed continuously or in a series of steps ANSWER DOWNLOAD EXAMIANS APP
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