Dialysing Tubing made of Cellulose Hydrate − Rapid

Dialysing Tubing made of Cellulose Hydrate − Rapid

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

Product specification

Seamlessly manufactured dialysing tubing made of purest cellulose hydrate membrane material. Larger number density of pores and lower wall thickness increase dialysing speed by 20 % and more compared to standard qualities without loss of mechanical stability. Mean pore size 25 Å, nominal cut-off at MW 15 kDalton. Laboratory-suitable supply length of 3 and 15 m/roll, graded flat widths between 4 mm and 148 mm.

Technical specification

Diffusion permeability for salts: 4.2 x 10^-4 cm x s^-1; (pressureless continuous-flow cell; 0.1 % aqueous urea solution at +20 °C)

Mechanical permeability: 3.1 x 10^-5 cm x s^-1 bar^-1; (stirring cell 0.1 bar; water at +20 °C)

Retention against dextran: 63 % (1 % dextran solution, MW 10,000; 0.1 bar)

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Item	Flat width mm	Füll-Ø mm	spez. Füllvolumen ml/cm	Einheit m	Price Euro*
84568	10	6	0,31	3	67.00
50445	10	6	0,28	15	251.00
84570	25	12	1,13	3	59.00
50446	25	12	1,13	15	223.00
84571	33	19	2,83	3	59.00
50447	33	19	2,83	15	223.00
84572	44	28	6,4	3	59.00
50448	44	28	6,4	15	223.00
84574	99	63	31,16	3	89.00
50450	99	63	31,16	15	313.00
84576	148	94	69,36	3	106.00