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Dialysing Tubing made of Cellulose Hydrate − Standard

Application area Gentle desalination, purification and concentration of sensitive biological... more

Application area

Gentle desalination, purification and concentration of sensitive biological materials, such as sera, plant extracts, cell hydrolysates

Dialysis of blood, protein solutions, and of other biocolloid systems.

Desalination of metal colloids.

Growing of bacterial cultures.

Product specification

Seamlessly manufactured dialysing tubing made of purest cellulose hydrate membrane material. Mean pore size 25 Å, nominal cut-off at MW 15 kDalton. Laboratory-suitable supply length of 5 and 15 m/roll, graded flat widths between 24 mm and 180 mm.

Technical specification

Diffusion permeability for salts: 2.8 x 10-4 cm x s-1; (pressureless continuous-flow cell; 0.1 % aqueous urea solution at +20 °C)

Mechanical permeability: 1.5 x 10-5 cm x s-1 bar-1; (stirring cell 0.1 bar; water at +20 °C)

Retention against dextran: 60 % (1 % dextran solution, MW 10,000; 0.1 bar)

No additional information available.
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