NameDescriptionContent

D421 Macroporous Strong Base Anion Exchange Resin

D421 is a sort of anion exchange resin which has quaternary ammonium group [-N(CH3)3OH] in the styrene-diethylene benzene copolymer with macroporous structure. This product is used mainly to remove nitrate and nitrite in the water supply and drinking water, it has good selectivity to nitrate;

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D421 is a sort of anion exchange resin which has quaternary ammonium group [-N(CH3)3OH] in the styrene-diethylene benzene copolymer with macroporous structure. This product is used mainly to remove nitrate and nitrite in the water supply and drinking water, it has good selectivity to nitrate;

Product model:  D421 Macroporous Strong Base Anion Exchange Resin

 

 

Features and applications

D421 is a sort of anion exchange resin which has quaternary ammonium group [-N(CH3)3OH] in the styrene-diethylene benzene copolymer with macroporous structure. This product is used mainly to remove nitrate and nitrite in the water supply and drinking water, it has good selectivity to nitrate; it can be also used in sugar making industry, the strongly basic exchange group and macroporous structure are helpful to the absorption of pigment and impurity in sugar solution.

 

This product is equivalent to Lewatit MonoPlus SR 7. 

 

 

Main physical and chemical parameters

skeleton

styrene-divinylbenzene

Appearance

Creamy white to straw yellow opaque   spherical grain 

Functional Groups

quaternary   ammonium group [-N(CH3)3OH]

Volume exchange capacity mmol/ml

≥ 0.5

Particle size range % (0.315-1.25mm)

≥ 95%

Moisture content %

50.0 - 60.0

Bulk density (g/ml)

0.65 - 0.75

Ionic form

Cl-