Alen Albreht

3 Questions 26 Answers 0 Followers

Questions related from Alen Albreht

Unstable spray in spray drying - can anyone help?

Can someone please share some thoughts on why do I get an unstable spray in spray drying? The spray is pulsating (looks like it is spitting). It does not matter what kind of...

07 August 2013 1,187 5 View

Stability of thioamides?

Does anyone know if thioamides are stable in alkaline media? If not, what are the expected degradation/reaction products?

25 February 2013 3,413 7 View

Why do I get fragment ions at higher m/z than that of the single charged precursor ion in an MS/MS experiment (product ion scan)?

Are these adducts between the precursor and fragment ions? Adducts with the solvent? I am doing direct infusion with an APCI source (negative mode) and I am using pure acetonitrile.

27 September 2012 4,184 17 View