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Cation-Exchange Membrane for Electrodialysis

Cation-Exchange Membrane for Electrodialysis
Product specification Cation permeable membranes For all-purpose use Strongly basic... more

Product specification

Cation permeable membranes

For all-purpose use

Strongly basic

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 ethylenglycol (15 %), ethylenglycol (30 %), tartaric acid (15 %), tartaric acid (50 %)

Good to acetaldehyde (15 %), acetic acid (15 %), acetic acid (50 %), ethanol (15 %), ethanol (50 %), H2SO4 (10 %), H2SO4 (30 %), HCI (7 %), hydrochinone (5.8 %), methylethyl ketone (15 %), oxalic acid (10 %)

Less good to acetaldehyde (30 %), acetone (15 %), aniline (4 %), ethyl "Cellosolve" (50 %), ethylacetic acid (15 %), HCI (35 %), methyl "Cellosolve" (50 %), propylene glycol (50 %), pyridine (15 %), pyridine (50 %), triethylamine1) (15 %), triethylamine1) (50 %)

Very low to cresol (2.6 %), phenol (6 %)

1) The transport number decreases with increasing electrical resistance

Technical specification

Thickness: 0.11 - 0.15 mm

Tearing strength: 3 - 5 kg/cm2

Resistivity: 180 - 240 Ohm x cm2 (The resistivity was measured after equilibrium with 0.5 N NaCl solution at +25 °C)

Transport number t: approx. 0.91 (Na+). Transport number at +25 °C (calculated from the membrane potential, when the membrane is placed between a 0.5 N NaCl solution and a 1.0 N NaCl solution).

Counterion: Na+

Water content: no data

Ion exchange capacity: no data

No additional information available.
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302888
25 x 25 1 250.00
302889
50 x 50 1 775.00
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