Sepadextran™-50 Medium | SD50M

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Sepadextran-50 Medium - Cat Number: SD50M. Supplier: Agarose Beads Technologies.


Sepadextran™ is a beaded gel filtration medium prepared by crosslinking dextran and it is supplied in its dry form. Sepadextran™-50 can be used for protein and nucleic acid purifications being the exclusion limit 25 kD for proteins and 20 bases for nucleic acids.

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

Product Data:

Product Name Sepadextran™ 50 Medium
Cat. No. SD50M-X
Matrix Crosslinked dextran
Water Regain 4.80-5.20 ml/g
Swelling 9-11 ml/g
Dry Particle Size 50-150 µm (>80%)
Wet Particle Size 100-300 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=145
Fractionation Range 1.5-30 kDa for globular proteins, 0.5-10 kDa 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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