HPLC Which of the following statements is true for a refractive index detector in HPLC? 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 none of above ANSWER DOWNLOAD EXAMIANS APP
HPLC A gradient elution in HPLC is one in which the composition of the solvent remains constant both (a) and (b) 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 ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC methods include All of these liquid/solid (adsorption) chromatography ion exchange and size exclusion chromatography liquid/liquid (partition) chromatography All of these liquid/solid (adsorption) chromatography ion exchange and size exclusion chromatography liquid/liquid (partition) chromatography 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 Which can be used as a mobile phase in HPLC applications? Any compound with non-solubility in liquid Any compound with limited solubility in liquid Any compound with solubility in liquid Any of the above Any compound with non-solubility in liquid Any compound with limited solubility in liquid Any compound with solubility in liquid Any of the above ANSWER DOWNLOAD EXAMIANS APP
HPLC HPLC stands for Highly Placed Liquid Chromatography both (a) and (b) High Pressure Liquid Chromatography High Performance Liquid Chromatography Highly Placed Liquid Chromatography both (a) and (b) High Pressure Liquid Chromatography High Performance Liquid Chromatography ANSWER DOWNLOAD EXAMIANS APP