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Silica is an unbonded, active silica normal-phase adsorbent with weak acidity and strong polarity.
Retains target compounds primarily through hydrogen bonding.
The silanol groups on the silica surface can ionize, functioning similarly to weak cation exchange adsorbents under moderate pH conditions.
Cat Number: STEM-C-2284-ZJF
Application: Extraction of compounds with polar groups from lipid samples; removal of interferences in pesticide residue analysis extracts.
Model: 60B083