News-Medical.net This was serially diluted using volumetric glassware (Class A) and positive displacement syringes. The diluents and syringe wash was a mixture of toluene:methanol: acetonitrile (90:5:5). Triphenyl phosphate was used as an internal standard and added at ...
separationsNOW.com Each mixture was injected onto a C8 column and the individual dyes were separated from each other by increasing the content of aqueous acetate in acetonitrile over 35 minutes. The dyes eluting from the column were observed with a diode array detector ...
