yes, "oil of vitriol" is sulphuric acid, "blue vitriol" is copper II sulphate as i recall. j
-----Ursprüngliche Nachricht----- Von: CCP4 bulletin board [mailto:CCP4BB@JISCMAIL.AC.UK] Im Auftrag von CRAIG A BINGMAN Gesendet: Donnerstag, 30. März 2017 05:52 An: CCP4BB@JISCMAIL.AC.UK Betreff: Re: [ccp4bb] [ccp4bb] protein precipitation reg Since I’m in full-on cranky old biochemist mode now, I think that vitriol is an old name for sulfuric acid. > On Mar 29, 2017, at 8:40 PM, Keller, Jacob <kell...@janelia.hhmi.org> wrote: > >> And if we are going to pour scorn and vitriol on Tris, why not mention its >> large dpKa/dT of 0.03 pH units/deg ? > > Hah! That's what many people are doing when they make buffers: pouring > vitriol (HCl) on TRIS! I prefer to pour concentrated HEPES, and get two > buffers without adding any extra Cl-. > > JPK
