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® C18 with lower carbon loading (USP L1). Larger pore size extends the application of this C18 phase into amino acids and peptides (as well as small molecules).
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