Glucoraphanin is not stable in LC-MS?

I an running glucoraphanin (GR) and sulforaphane(SFN) standard. I prepared 0.5ppm in MeOH from 1000ppm in DMSO stock solution. I have tried several columns (C18, K5, hypercarb and suplco LC...

08 July 2021 8,631 4 View