State what adjustment should be made to the mobile phase

Reference no: EM13171183

On a C18 bonded phase column, a compound moves slowly in a MeOH/ACN (50/50) mobile phase. what adjustment should be made to the mobile phase to bring the compound off sooner? why?

Reference no: EM13171183

Questions Cloud

What is the mass of the potassium hydrogen carbonate : A student is required to generate 90.0 mL of carbon dioxide at 750 mm Hg and 21C using potassium hydrogen carbonate and HCl. What is the mass of the potassium hydrogen carbonate needed?

What are some of the general properties ceramics and polymer : What are some of the general properties that distinguish metals from ceramics and polymers?

What was the growth rate in sims earnings per share : Sims Inc. earned $1.00 per share in 2000. Five years later, in 2005, it earned $2.00. What was the growth rate in Sims' earnings per share (EPS) over the 5-year period?

How to identify which compound is in the unknown : Specificy which ion you would add to the unkown and how the results would identify which compound is in the unknown.

State what adjustment should be made to the mobile phase : what adjustment should be made to the mobile phase to bring the compound off sooner? why?

Compute the molarities of hc2h3o2 : Calculate the molarities of HC2H3O2 and NaC2H3O2 in the buffer solution you will prepare in this experiment. The buffer solution consists of 50mL and 0.20M of NaC2H3O2 and consists of 10mL and 1.0M of HC2H3O2

What is the po43- concentration of the stock solution : A stock solution is prepared by adding 22 mL of 1 M Na3PO4 to enough water to make 73 mL. What is the PO43- concentration of 30 mL of the stock solution?

What cell potential would be expected under conditions : What cell potential (V) would be expected under the following conditions?

How many moles of cn- ions will be contained : A 265 mL stock solution contains 2.3 M Ca(CN)2. When 105 mL of the stock solution is diluted to 120 mL, how many moles of CN- ions will be contained in the dilute solution?

User Account

All Pages