a.kwiatkowski

TL2 Member · Valencia, ES

Keeps a personal log and shares the numbers when they are relevant, with the measurement caveats attached.

Joined 30 July 2025 · last posted 13h

1 reply marked as the accepted answer.

Adducts: sodium, potassium, and the peak you did not expect — does this still hold? Replied, post #8 · marked as the solution · Analytics › Mass spectrometry · 13 Jan 2026 · 22 likes Common adducts: sodium adds ≈22, potassium adds ≈38 compared to hydrogen. A [M+Na]+ peak is common and its mass is predictable from the base mass.