Sepadextran™-25 Medium | SD25M

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Sepadextran-25 Medium - Cat Number: SD25M. Supplier: Agarose Beads Technologies.


Sepadextran™ is a beaded gel filtration medium prepared by crosslinking dextran and it is supplied in its dry form. Sepadextran™-25 can be used for protein and nucleic acid purifications being the exclusion limit 5 kD for proteins and 10 bases for nucleic acids. Desalting (before IEX and after HIC or Affinity Chromatography) & buffer exchange (between different chromatography steps) are other uses.

Medium grade is suitable for separations at high flow rates and low operating pressures.

Product Data:

Product Name Sepadextran™-25 Medium

Cat. No.SD25M-X

Matrix: Crosslinked dextran

Water Regain: 2.15-2.25 ml/g

Swelling: 4-6 ml/g

Dry Particle Size: 50-150 µm (>80%)

Wet Particle Size: 85-260 µm

Maximum Operating Pressure: Generally obeys Darcy’s Law: U=Ko ΔP/L Where: U= linear flow rate(cm/h). ΔP= pressure drop over gel bead (cm H2O). L= bed high(cm). Ko=80Fractionation Range1-5 kD for globular proteins, 100-5,000 Da for dextrans

pH Stability: 2.0 to 13

Autoclavable: 121˚C, pH 7.0 (30 minutes)

Chemical Stability: All commonly used buffers, including: 0.1 M NaOH; 0.01 M HCl; 1 M acetic acid; 8 M urea; 6 M guanidine HCl; 1% SDS, 24% Ethanol; 30% Propanol; 30% Acetonitrile

Remarks This product is produced based on a customer order. Delivery time may be longer.

Storage Temperature: Ambient

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