Nial Harding

2 Questions 4 Answers 0 Followers

Questions related from Nial Harding

Repeatability of injections LC-MS/MS?

I'm running a Waters UPLC-TQD system. I've been experiencing challenges with repeatability of peak areas across analytes , columns and methods. I'm currently trouble shooting the issue. I'm...

20 November 2020 5,087 5 View

Pesticide Residue analysis using UPLC-MS/MS - 5 mM or 10 mM Ammonium Acetate?

Hi, I'm setting up a pesticide residue screening method on a Waters UPLC-MS/MS system. Most application notes suggest a 10 mM Ammonium Acetate buffer, but I'm seeing better results (so far) with...

14 October 2020 468 3 View