Fused Silica Tubing
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Safety Products
Syringes
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Welch Topsil® series HPLC column is a next-generation column by Welch. This series use different silica and provide different selectivity with larger 150Å pore size and greater surface area. Welch Topsil® C8 chemistry (USP L7) provides lower retention than C18, positioning C8 as a selectivity option for reversed phase separations.
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