General Technologies – Selective Resin – D851(Na)

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D851 (Na form) resin is a premium grade, high-capacity macroporous weak acid cation exchange resin with iminodiacetate functional groups.
It is designed to chelate/remove many heavy metal cations, even in waters containing high calcium concentrations. It is suitable
for use in polishing metal cations from wastewater and process water streams.


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Manufacturer General Technologies, SPC
Series Selective Resin - Weak acidic cation
Model Number D851(Na)
Part Number D851(Na)
Description Polymer Structure: Polystyrene cross-linked with Divinylbenzene
Physical Form and Appearance: Amber spherical beads
Whole Bead Count: 93% Min.
Functional Groups: R-CH2-N(CH2COOH)2 (Iminodiacetic acid)
Ionic Form (as shipped): Na+
Shipping Weight, approx: 750-800 g/l (~49 lb./ft.3)
Mesh Size: 16-50
Moisture retention, Na+ form: 40-50%
Total Capacity Hydrogen form: >1.8 meq/ml
pH Range, Operating: 1-6

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