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Welchrom® Silica is an unbonded active silica normal phase adsorbent with a weak acid and strong polarity. Its retention to target mainly achieved by hydrogen bonding. The silica-hydroxyl group on the surface of silica gel can be ionized, and its function is similar to that of weak cation exchange adsorbent under moderate pH conditions
Fused Silica Tubing
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Safety Products
Syringes
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