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D9652 Sigma

Dialysis tubing cellulose membrane

avg. flat width 33 mm (1.3 in.)



Related Categories Core Bioreagents, Dialysis, Dialysis Tubing, Labware, Life Science Reagents for DNA/RNA Electrophoresis,
avg. diam.   21 mm , when full
avg. flat width   33 mm (1.3 in.)
capacity   ~110 mL/ft


General description

Typical molecular weight cut-off = 14,000.


Supplied in rolls, dry

Preparation Note

Removal of glycerol included as a humectant can be accomplished by washing the tubing in running water for 3-4 hours. Removal of sulfur compounds can be accomplished by treating the tubing with a 0.3% (w/v) solution of sodium sulfide at 80°C for 1 minute. Wash with hot water (60°C) for 2 minutes, followed by acidification with a 0.2% (v/v) solution of sulfuric acid, then rinse with hot water to remove the acid. This tubing will retain most proteins of molecular weight 12,000 or greater.


May contain glycerin and sulfur compounds in more than trace amounts.

Price and Availability

Mitex PTFE Membrane Filters
Safety & Documentation

Safety Information

Safety Information for this product is unavailable at this time.


Certificate of Analysis

Certificate of Origin

Protocols & Articles


Dialysis Tubing

Dialysis tubing is a semi-permeable membrane, usually made of cellulose acetate. It is used in dialysis, a process which involves the removal of very small molecular weight solutes from a solution, a...
Keywords: Dialysis

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