HPLC HPLC stands for both (a) and (b) High Performance Liquid Chromatography High Pressure Liquid Chromatography Highly Placed Liquid Chromatography both (a) and (b) High Performance Liquid Chromatography High Pressure Liquid Chromatography Highly Placed Liquid Chromatography ANSWER DOWNLOAD EXAMIANS APP
HPLC Column efficiency is measured in terms of number of plates which is inversely related to the square of the peak width directly related to the square of the peak width inversely related to the cube root of the peak width directly related to the square of the peak width inversely related to the square of the peak width directly related to the square of the peak width inversely related to the cube root of the peak width directly related to the square of the peak width ANSWER DOWNLOAD EXAMIANS APP
HPLC Void volume refers to the 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 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 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 Sample recovery Ideal for ionic species and large molecules Greater sensitivity and reusable columns All of these Sample recovery Ideal for ionic species and large molecules ANSWER DOWNLOAD EXAMIANS APP
HPLC An eluotropic series ranks column packing material by their relative abilities to retain solutes on the column None of these ranks solvents by their relative abilities to displace solutes from a given absorbent is a measure of the solvent adsorption energy ranks column packing material by their relative abilities to retain solutes on the column None of these ranks solvents by their relative abilities to displace solutes from a given absorbent is a measure of the solvent adsorption energy ANSWER DOWNLOAD EXAMIANS APP
HPLC A gradient elution in HPLC is one in which the composition of the solvent 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 both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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