IC’s are mostly aqueous systems, therefore it is recommended to extract the anions into a (deionized) water. To prevent damage to your (guard)column, you’d like to filter your extract before injected into the IC.
For most anions there is a ‘general’ extraction method, however for some anions there are some additional action you want to take to increase your recovery percentage. In other words, what anions do you expect to be in the sample you want to analyse?
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