HPLC A gradient elution in HPLC is one in which the composition of the solvent 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 both (a) and (b) 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 total volume of eluent in the column the remainder being taken up by the packing material 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 total volume of eluent in the column the remainder being taken up by the packing material the volume of solvent contained in a liquid chromatographic column the time required for the gradient to reach the column ANSWER DOWNLOAD EXAMIANS APP
HPLC For a typical adsorbent such as silica gel, the most popular pore diameters are 60 and 100 A° 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° ANSWER DOWNLOAD EXAMIANS APP
HPLC Which of the following(s) is/are the advantage of HPLC over traditional LPLC (low-pressure liquid chromatography)? Sample recovery Ideal for ionic species and large molecules All of these Greater sensitivity and reusable columns Sample recovery Ideal for ionic species and large molecules All of these Greater sensitivity and reusable columns ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC stands for High Pressure Liquid Chromatography High Performance Liquid Chromatography both (a) and (b) Highly Placed Liquid Chromatography High Pressure Liquid Chromatography High Performance Liquid Chromatography both (a) and (b) Highly Placed Liquid Chromatography 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