What solvent should I use to dilute my standard for RP HPLC?

My mobile phases are methanol:acetonitrile:dichloromethane:acetic acid (50:44:3:3, v/v/v/v). My samples are extracted with dichloromethane:methanol (2:1, v/v). My standard is oryzanol. First, I...

13 March 2018 2,296 5 View