HPLC Void volume refers to the the time required for the gradient to reach the column the volume of solvent contained in a liquid chromatographic 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 time required for the gradient to reach the column the volume of solvent contained in a liquid chromatographic 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 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 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 Sample recovery ANSWER DOWNLOAD EXAMIANS APP
HPLC An isocratic elution in HPLC is one in which the composition of the solvent changes in a series of steps remains constant none of these changes continuously changes in a series of steps remains constant none of these changes continuously ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC methods include All of these ion exchange and size exclusion chromatography liquid/solid (adsorption) chromatography liquid/liquid (partition) chromatography All of these ion exchange and size exclusion chromatography liquid/solid (adsorption) chromatography liquid/liquid (partition) chromatography ANSWER DOWNLOAD EXAMIANS APP
HPLC Column efficiency is measured in terms of number of plates which is directly related to the square of the peak width inversely 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 directly related to the square of the peak width inversely 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 The eluent strength is a measure of solvent mixing index solvent diffusivity solvent absorption energy solvent adsorption energy solvent mixing index solvent diffusivity solvent absorption energy solvent adsorption energy ANSWER DOWNLOAD EXAMIANS APP
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