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 For a typical adsorbent such as silica gel, the most popular pore diameters are 150 and 200 A° 60 and 100 A° 10 and 50 A° 100 and 150 A° 150 and 200 A° 60 and 100 A° 10 and 50 A° 100 and 150 A° ANSWER DOWNLOAD EXAMIANS APP
HPLC Which of the following(s) is/are the advantage of HPLC over traditional LPLC (low-pressure liquid chromatography)? 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 Ideal for ionic species and large molecules Sample recovery ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC stands for High Performance Liquid Chromatography both (a) and (b) High Pressure Liquid Chromatography Highly Placed Liquid Chromatography High Performance Liquid Chromatography both (a) and (b) High Pressure Liquid Chromatography Highly Placed Liquid Chromatography ANSWER DOWNLOAD EXAMIANS APP
HPLC A gradient elution in HPLC is one in which the composition of the solvent is changed continuously or in a series of steps None of these both (a) and (b) remains constant is changed continuously or in a series of steps None of these both (a) and (b) remains constant ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC methods include liquid/liquid (partition) chromatography All of these liquid/solid (adsorption) chromatography ion exchange and size exclusion chromatography liquid/liquid (partition) chromatography All of these liquid/solid (adsorption) chromatography ion exchange and size exclusion chromatography ANSWER DOWNLOAD EXAMIANS APP
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