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436666 Sigma-Aldrich

Dowex® Marathon WBA free base

free base

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Properties

Related Categories Analytical/Chromatography, Anion, Anion Exchange Media, Dowex, Dowex Weak Anion Exchangers,
moisture   50-60%
matrix   styrene-divinylbenzene (macroporous)
matrix active group   polyamine functional group
particle size distribution   26-32 mesh
particle size   475-575 μm
operating pH   0 - 7
capacity   1.5 meq/mL by wetted bed volume

Description

Other Notes

Monodispersed beads make this resin superior and more efficient than the Dowex MWA-1.

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

Application

Weakly basic anion exchange resin that is well suited for combined use with strong base anion resins for water with high concentration of mineral anions or high organic fouling potential. It is excellent for all demineralization applications, and meets requirements of FDA Food Additive Regulation 21 CFR 173.25.

Features and Benefits

Weakly basic anion, macroporous

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

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

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