HPLC Which of the following statements is true for a refractive index detector in HPLC? none of above It can only be used for isocratic elutions It is more sensitive than a UV detector It does not respond to many solutes none of above It can only be used for isocratic elutions It is more sensitive than a UV detector It does not respond to many solutes 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 Ideal for ionic species and large molecules All of these Sample recovery Greater sensitivity and reusable columns Ideal for ionic species and large molecules All of these Sample recovery ANSWER DOWNLOAD EXAMIANS APP
HPLC For a typical adsorbent such as silica gel, the most popular pore diameters are 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° 10 and 50 A° ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC methods include liquid/liquid (partition) chromatography 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 ANSWER DOWNLOAD EXAMIANS APP
HPLC Void volume refers to the 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 total volume of eluent in the column the remainder being taken up by the packing material 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 total volume of eluent in the column the remainder being taken up by the packing material the time required for the gradient to reach the column ANSWER DOWNLOAD EXAMIANS APP
HPLC Dwell volume is defined as 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 none of these 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 none of these the volume of solvent contained in a liquid chromatographic column ANSWER DOWNLOAD EXAMIANS APP
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