r.marsden

TL3 Regular · Granada, ES

Laboratory background. Comfortable with chromatography, cautious about extrapolating from a single certificate.

Joined 11 November 2024 · last posted 1d · groups: analytical-chemists

1 reply marked as the accepted answer.

MS/MS sequence confirmation: what it costs and when it is worth it Replied, post #7 · marked as the solution · Analytics › Mass spectrometry · 27 Jul 2026 · 7 likes Everything in post #3 holds. The case it does not cover is the one I have. Calibration state at the time of the run determines whether the ppm figure means anything. A…