HPLC In reversed phase HPLC, there is a polar solvent/non-polar column non polar solvent/non-polar column non polar solvent/polar column any of the above polar solvent/non-polar column non polar solvent/non-polar column non polar solvent/polar column any of the above 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 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 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 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 both (a) and (b) remains constant None of these is changed continuously or in a series of steps both (a) and (b) remains constant ANSWER DOWNLOAD EXAMIANS APP
HPLC An isocratic elution in HPLC is one in which the composition of the solvent none of these changes continuously changes in a series of steps remains constant none of these changes continuously changes in a series of steps remains constant ANSWER DOWNLOAD EXAMIANS APP
HPLC In normal phase HPLC, there is a polar solvent/non-polar column any of the above non polar solvent/non-polar column non polar solvent/polar column polar solvent/non-polar column any of the above non polar solvent/non-polar column non polar solvent/polar column ANSWER DOWNLOAD EXAMIANS APP
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