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Similar to NH2 adsorbents.
PSA has two amino groups with pKa values of 10.1 and 10.9.
Offers stronger ion exchange capacity than NH2 columns. PSA can also chelate with metal ions, making it suitable for extracting metal ions.
Cat Number: STEM-C-2279-ZJF
Application: Commonly used in the sample preparation for pesticide residue analysis to remove organic acids, dyes, metal ions, and phenolic substances.
Model: 60B078