This product consists of regenerated cellulose made from virgin wood pulp. Standard Grade Regenerated Cellulose (RC) can be used with dilute strong acids and bases, concentrated weak acids and bases, most alcohols, and some mild or dilute organics, including DMSO. Standard Grade RC can tolerate pH 2 - 12 and temperatures 4 - 121 °C.
D9402
Dialysis tubing cellulose membrane
avg. flat width 76 mm (3.0 in.)
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About This Item
UNSPSC Code:
41123100
NACRES:
NB.22
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avg. diam.
49 mm , when full
avg. flat width
76 mm (3.0 in.)
capacity
~640 mL/ft
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General description
Typical molecular weight cut-off = 14,000.
Packaging
Supplied in rolls, dry
Quality
May contain glycerin and sulfur compounds in more than trace amounts.
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.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Dialysis Tubing
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Does this dialysis tubing (D9402-100FT) support low pH solutions (<2)? My sample contains polymer dissolved in methanesulfonic acid, making it a very low pH sample. The gaol of the dialysis is to remove most of the acid before neutralization.
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