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About This Item
CAS Number:
MDL number:
UNSPSC Code:
12000000
PubChem Substance ID:
NACRES:
SB.52
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description
chloride form
formerly Dowex Marathon™ A, chloride form
Quality Level
form
beads
crosslinking
8‑10 % cross-linked
quality
monodispersed
moisture
50-60%
technique(s)
LPLC: suitable
matrix
styrene-divinylbenzene (gel)
matrix active group
quaternary ammonium
particle size
24-28 mesh
525-625 μm
capacity
1.3 meq/mL by wetted bed volume
separation technique
anion exchange
Related Categories
General description
Dowex Marathon A is a strong basic anionic Type I exchange gel resin with trimethylamine as functional group. Dowex Marathon A is a heterogeneous catalyst made of styerenedivinylbenzene copolymer.
Application
Dowex Marathon A was used in ion-exchange chromatography.
Strongly basic (type I) anion exchange resin for demineralization, especially suited for water with high concentration of weak ions (silica, CO2), as well as organics-laden feed waters. This resin meets requirements of FDA Food Additive Regulation 21 CFR 173.25.
Features and Benefits
Strongly basic anion
Other Notes
This ion-exchange resin has not been specially processed nor cleaned. We suggest that it be treated to a suitable preliminary elution and wash.
Legal Information
Amberlite is a trademark of DuPont de Nemours, Inc.
Marathon is a trademark of The Dow Chemical Company or an affiliated company of Dow
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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