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  • Strong anion exchange

    Different types of functional groups were bonded on silica gel.

    The surface chemical modification process is strictly controlled, and the reproducibility between batches is good.

    Stable using in PH 2-7 range.

  • Strong cation exchange

    High purity silica gel is used as matrix to bond different functional groups.

    The surface chemical modification process is strictly controlled, and the reproducibility between batches is good.

    Stable using in PH 2-7 range.