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Dialysing Tubing made of Regenerated Cellulose − Praktik

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.

Demonstration material for teaching and training.

Product specification

Material: Seamlessly manufactured dialysing tubing made of regenerated cellulose.

Features: Sterilization -wet or dry- up to +120 °C allowed. Do not dry up the dialysing tubing without having treated it first with a diluted glycerol solution.

Average pore diameter: 15-20 Å

MW cut-off: 10,000 to 20,000 dalton

Biochemical analysis: Separation of low molecular and high molecular proteins and nucleic acid fragments.

Concentration: Solutions of biomolecules of a molecular weight exceeding 12,000 - 15,000 can be concentrated quickly and gently by suspending them in a 20 % solution of polyethylene glycol M 2000.

Salt exchange: Solutions of high-molecular salts cannot only be made free of the salt, but a new desired ionic environment can be established by exchange.

No additional information available.
Item Image Flat width
mm
Filling Ø
mm
Specific filling volume
ml/cm
Unit
m
Price
Euro*
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84577
10 6 0,31 3 66.00
84578
23 15 1,77 3 66.00
84579
25 16 2,01 3 66.00
84580
32 20 3,14 3 66.00
84581
40 25 4,91 3 66.00
84582
50 32 8,04 3 66.00
84583
69 44 15,2 3 66.00
84585
104 66 34,19 3 66.00
84586
117 75 44,16 2 81.00
84588
144 92 66,44 2 81.00
84589
159 101 80,08 2 81.00
50352
69 44 15,2 15 154.00
50354
104 66 34,19 15 187.00
50355
117 75 44,16 15 226.00
50357
144 92 66,44 15 262.00
50358
159 101 80,08 15 280.00
503591
10 6 0,28 30 263.00
50359
23 15 1,77 30 270.00
50360
25 16 2,01 30 286.00
50361
32 20 3,14 30 306.00
50362
40 25 4,91 30 306.00
50363
69 44 15,2 150 958.00
50365
104 66 34,19 150 1,304.00
50366
117 75 49,08 150 1,499.00
50370
23 15 1,77 300 1,702.00
50372
32 20 3,14 300 1,874.00
50373
40 25 4,91 300 1,442.00
50374
50 32 8,04 300 2,633.00
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