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D9277 Sigma

Dialysis tubing cellulose membrane

avg. flat width 10 mm (0.4 in.)



Related Categories Core Bioreagents, Dialysis, Dialysis Tubing, Labware, Life Science Reagents for DNA/RNA Electrophoresis,
avg. diam.   6 mm , when full
avg. flat width   10 mm (0.4 in.)
capacity   ~10 mL/ft


Frequently Asked Questions

Frequently Asked Questions are available for this Product.

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

NONH for all modes of transport
WGK Germany 

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
How do I find price and availability?
There are several ways to find pricing and availability for our products.  Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers. 
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS. To access the shipping information for this material, use the link on the product detail page for the product, or search here. 
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
What is the wall thickness of Product D9277, 10 mm (flat width) dialysis tubing?
The nominal dry wall thickness for Product D9277, 10 mm (flat width) dialysis tubing, is 51 micrometers.
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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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