HPLC In normal phase HPLC, there is a any of the above non polar solvent/non-polar column polar solvent/non-polar column non polar solvent/polar column any of the above non polar solvent/non-polar column polar solvent/non-polar column non polar solvent/polar column ANSWER DOWNLOAD EXAMIANS APP
HPLC Which of the following(s) is/are the advantage of HPLC over traditional LPLC (low-pressure liquid chromatography)? Ideal for ionic species and large molecules Sample recovery Greater sensitivity and reusable columns All of these Ideal for ionic species and large molecules Sample recovery Greater sensitivity and reusable columns All of these ANSWER DOWNLOAD EXAMIANS APP
HPLC A gradient elution in HPLC is one in which the composition of the solvent both (a) and (b) None of these is changed continuously or in a series of steps remains constant both (a) and (b) None of these is changed continuously or in a series of steps remains constant ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC methods include liquid/solid (adsorption) chromatography ion exchange and size exclusion chromatography All of these liquid/liquid (partition) chromatography liquid/solid (adsorption) chromatography ion exchange and size exclusion chromatography All of these liquid/liquid (partition) chromatography ANSWER DOWNLOAD EXAMIANS APP
HPLC For a typical adsorbent such as silica gel, the most popular pore diameters are 10 and 50 A° 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° ANSWER DOWNLOAD EXAMIANS APP
HPLC Dwell volume is defined as none of these 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 none of these 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
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