Anion-Exchange Membrane for Electrodialysis - dry storage

Application area Desalination of sea water or brackish water Preparation of sugar solution,... more

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Application area

Desalination of sea water or brackish water

Preparation of sugar solution, whey and other aqueous and non-aqueous solutions containing ions.

Purification of soiled pickling bathes

Chlorine production

Electrolytic synthesis of periodic acid and other chemicals

Product specification

The membranes are supplied dry and should be stored at a dark place (max. +15 °C). Only for activation they have to be loaded in a 10 % salt solution at +55 °C for at least 3 hours

Chemical stability MA-3475:

Good chemical stability in neutral solutions, in acid solutions (ph 0-7) and in alkaline solutions (ph 7-9)

Fair chemical stability in alkaline solutions (ph 9-14)

Poor chemical stability to mild oxidizing agents and to reducing agents

Chemical stability MA-3512 (at +60 °C):

H₂SO₄ up to 5 %, HCI and NaOH up to 4 %

Technical specification

Electrical resistance:

MA-3475: 24 Ohm/cm² (0.1 N NaCI); 8 Ohm/cm² (1.0 N NaCI)

MA-3512: 14 Ohm/cm² (0.1 N NaCI); 4 Ohm/cm² (1.0 N NaCI)

Permeability: 75.0 % (0.5 N NaCI/1.0 N NaCI)

Water permeability: <3.2 ml/h/dm² (at 0.35 kg/cm²)

Pressure resistance:

MA-3475: min. 14 kg/cm²

MA-3512: min. 12 kg/cm²

Thickness:

MA-3475: approx. 0.40 mm

MA-3512: approx. 0.15 mm

Density:

MA-3475: approx. 405 g/m³

MA-3512: approx. 187 g/m³

Capacity: 0.70 meq/g

Max. temperature: +95 °C

Dimensional stability: wet: excellent; dry: good

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Item	Design	Abmessung cm	Einheit Stück	Price Euro*
50376	MA-3475	25 x 25	1	265.00
50377	MA-3475	50 x 50	1	727.00
50378	MA-3475	100 x 100	1	2,341.00
50379	MA-3512	25 x 30	1	245.00
50380	MA-3512	50 x 30	1	675.00
50381	MA-3512	90 x 100	1	2,155.00