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Featured Products

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Spectra/Por* 1 Dialysis Membrane, MWCO 6000 to 8000 $2,046.26 $1,780.25 For dialysis and ultrafiltration in biochemical work. Molecular weight cut-off is 6000 to 8000. Pure, regenerated, natural cellulose. Free from fixed

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Spectra/Por* 2, Dialysis Membrane, MWCO 12000 to 14000 $327.10 $294.39 For dialysis and ultrafiltration in biochemical work. Reduces normal dialysis time by one-third to one-half. Molecular weight cut-off is 12000 to 1400

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Spectra/Por* 3 Dialysis Membrane, MWCO 3500 $2,433.92 $2,117.51 For dialysis and ultrafiltration in biochemical work. Molecular weight cut-off is 3500. Pure, regenerated, natural cellulose. Free from fixed charges.

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Spectra/Por* 7 Dialysis Membranes, MWCO 1000 to 50000 $270.88 $243.79 Free of trace metal and sulfur for separations involving a possible sensitivity to such materials. Supplied wet in 0.1% sodium azide as a preserving a

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Spectra/Por* Dialysis Tubing, Regenerated Cellulose, MWCO 12000 to 14000 $2,948.61 $2,565.29 Standard dialysis tubing for all laboratory dialysis applications. The tubing contains glycerin, water, and small amounts of sulfur compounds (approx.

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