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433950 Sigma-Aldrich

Dowex® Marathon C hydrogen form

23-27 mesh particle size

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Properties

Related Categories Analytical/Chromatography, Cation, Cation Exchange Media, Dowex, Dowex Strong Cation Exchangers,
moisture   50-56%
matrix   styrene-divinylbenzene (gel)
matrix active group   sulfonic acid
particle size   23-27 mesh
  550-650 μm
capacity   1.8 meq/mL by wetted bed volume

Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Other Notes

This resin has not been specially processed nor cleaned. We suggest that it be subjected to a suitable preliminary elution and wash.

Packaging

1 ft3 in fiber drum

2.5 kg in poly drum

250 g in poly bottle

1 kg in poly bottle

Application

Dowex 1X4, anion-exchange resin, was used as adsorbent material in characterization of iodinated contrast media using 11B NMR and capillary electrophoresis.

Stongly acidic cation exchange resin designed for demineralization. The monodispersed particles size range provides superior flow and efficiency. This resin meets requirements of FDA Food Additive Regulation 21 CFR 173.25.

Legal Information

DOWEX is a registered trademark of The Dow Chemical Company or an affiliated company of Dow

Marathon is a trademark of The Dow Chemical Company or an affiliated company of Dow

Price and Availability

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

Certificate of Origin

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.
How can I convert a cation exchange resin from the hydrogen form to the sodium form?
To convert a cation exhcange resin from the hydrogen form to the sodium form, use two to four bed volumes of 0.5-2.0% NaCl or NaOH.  Click here for more details.  
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Protocols & Articles

Articles

Selection Guide for Polymeric Resins in Chromatography & Purification

Sigma-Aldrich carries a vast array of resins, from leading manufacturers; such as, Dow Chemical, Rohm & Haas, Mitsubishi, and Lanxess. Our product line includes adsorbent, ion-exchange (anion / catio...
Keywords: Adsorption, Antibiotics, Detergents, Fermentation, Filtration, Hormones, Ion Exchange, Pharmaceutical, Purification, Separation

Peer-Reviewed Papers
15

References

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