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Additive question

Discussions about GC-MS, LC-MS, LC-FTIR, and other "coupled" analytical techniques.

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Additive question

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shadow
I need to work with ESI + and my mobile phase needs to be pH2, besides TFA what else can I use? Thanks for any reply

Re: Additive question

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tom jupille
Site Admin
Do you really need to go all the way down to 2? 1% formic acid will be around 2. 0.1% formic acid is around 2.3 - 2.4
-- Tom Jupille
LC Resources / Separation Science Associates
tjupille@lcresources.com
+ 1 (925) 297-5374
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