Dialysing Tubing made of Regenerated Cellulose − Praktik

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: 10-20 kDalton

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.

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Item	Flat width mm	Füll-Ø mm	spez. Füllvolumen ml/cm	Einheit m	Price Euro*
84577	10	6	0,31	3	71.00
503591	10	6	0,28	30	282.00
84578	23	15	1,77	3	71.00
50359	23	15	1,77	30	289.00
50370	23	15	1,77	300	1,822.00
84579	25	16	2,01	3	71.00
50360	25	16	2,01	30	307.00
84580	32	20	3,14	3	71.00
50361	32	20	3,14	30	328.00
50372	32	20	3,14	300	2,006.00
84582	50	32	8,04	3	71.00
50374	50	32	8,04	300	2,818.00
84583	69	44	15,2	3	71.00
84584	77	49	18	3	92.00
50353	77	49	18	15	288.00
50364	77	49	18	150	1,822.00
84585	104	66	34,19	3	92.00
50354	104	66	34,19	15	288.00
50365	104	66	34,19	150	1,822.00
84586	117	75	45,8	3	92.00
50355	117	75	45,8	15	288.00
50366	117	75	45,8	150	1,822.00