SP Dextran Resin

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SP Dextran Resin

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Cat.no : sulphopropyl-001D
Product Overview : SP Dextran Resin is a weak cation exchanger based on the well documented and well proven Dextran base matrix. The resin is produced by introducing SP functional groups onto the cross-linked dextran matrix.
Matrix : Cross-linked dextran
Ion exchange capacity : 2–2.6 mmol/g dry powder
Functional group : sulphopropyl group: –O–CH2CHOHCH2OCH2CH2CH2SO-3
Protein : sulphopropyl
Average particle size : 40-120 μm
Ligand : Sulphopropyl
Dynamic binding capacity : lgG (Mr 160 000): 1.1 mg/ml drained medium; Bovine COHb (Mr 69 000): 70 mg/ml drained medium; Ribonuclease (Mr 13 700): 230 mg/ml drained medium
Viscosity : Store swollen medium in the presence of a suitable bacteriostat, e.g. 20% ethanol or 0.01 M NaOH at 4–8°C. Sodium azide or thiomersal should not be used as bacteriostat.
Chemical stability : Stable to all commonly used aqueous buffers and additives such as 8 M urea and 6 M guanidine hydrochloride.
Physical stability : Negligible volume variation due to changes in pH or ionic strrength.
pH working range : 4-13
pH CIP range : 2-12
Autoclavable : In 0.1 M sodium chloride at 121 °C for 30 min
Shelf life : 8 years
Warning : Avoid Oxidising agents and dextranase

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