Anion-Exchange Membrane for Electrodialysis - PP-reinforced

Product specification Anion permeable membranes For all-purpose use, high mechanical... more

Product specification

Anion permeable membranes

For all-purpose use, high mechanical stability

Electrodialysis membranes have always to be kept wet and should be stored in a 3 % NaCl solution in a cool and dark place.

Chemical resistance:

Very good to acetone (30 %), acetic acid (50 %), ethanol (50 %), ethylenglycol (50 %), H₂SO₄ (10 %), H₂SO₄ (40 %), HCI (10 %), HNO₃ (20 %), methanol (50 %), NaCl (3 %), NaCl (20 %), sodium thiosulfate (3 %), phenol (7 %), citric acid (50 %)

Less good to dioxan (30 %), NaOH (5 %), NH₃ (4 %)

Very low to strong oxidants

Technical specification

Thickness: 0.15 mm

Tearing strength: >0,35 MPa

Resistivity: 2.6 Ohm*cm² (The resistivity was measured after equilibrium with 0.5 N NaCl solution at +25 °C.)

Working temperature: < +60 °C

pH: 0-14

Transport number t: >0.98 (CI^- SO₄^--) (Transport number at +25 °C (measured by electrophoresis of sea water; current density 2 A/dm²))

Counterion: CI^-

Water content: 0.25 - 0.30 g water/g dry membrane (equilibr.: 0.5 N NaCl solution)

Ion exchange capacity: 1.4 - 1.7 meq/g dry membrane

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