Fused Silica Tubing
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Syringes
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HPLC Columns
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Nacalai Tesque (COSMOSIL, COSMOSCORE, COSMOGEL)
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COSMOSIL Series (Silica based)
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COSMOSIL nNAP Series (Napthylethyl group with stronger n-n Interaction than Phenyl)
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COSMOSIL πNAP is a reversed phase HPLC column with Naphtylethyl group bonded silica packing material. The naphthylethyl group is composed of two fused aromatic rings and forms strong π-π nteractions with unsaturated compounds. This column offers improved separation of compounds such as positional isomers that are difficult to analyze with alkyl group bonded materials.