Can different acids be used in the elution solvent? And if so, which ones and at what concentration?
The recommended acid modifier for your elution solvent is TFA at a concentration of 0.1% of the elution solvent. You can also use other weaker acid modifiers, like acetic or formic acid, but you should increase the concentration of these acids by 1-5%. For users that typically dry down and reconstitute their samples prior to analysis, compatibility issues between the acid used and the type of analysis will be eliminated.
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