PRODUCTS
Cells for Characterization
Monopolar Ion-Exchange Membrans
Dense Membranes
Bipolar Membranes
Ion-Exchange Resins
Monopolar Ion-Exchange Membranes
Membrane Conductivity Test Cell MCTC2.5
AC Area Resistance and Conductivity
Through-Plane Area Resistance and Conductivity of cation-exchange and anion-exchange membranes at alternating current. Most commonly used method recommended in AFNOR-NF X45 standard to characterize conductivity of the membrane polymer and electric resistance of a membrane as key characteristics for material selection and estimation of process energy consumption.
Ion Transport Number
Permselectivity and apparent transport number of ions in ion-exchange membranes via Donnal potential difference—so-called electro-motive force (e.m.f.) measurement. Common method characterizing permselectivity, suggested in AFNOR-NF X45 standard and referenced in data-sheets of many commercial membranes.
Membrane Permselectivity Test Cell
Bipolar Membrane
Electrochemical Impedance Spectroscopy (EIS) and Current-Voltage Curves (CVC)
EIS allows differentiating impedance of the interface region and that of monopolar layers—extremely important information in the development of bipolar membranes.
Test Cell for Characterization of Bipolar Membranes
Ion-Exchange and other Dense Membranes
(solution-diffusion transport mechanism)
Diffusion Permeability
Diffusion Permeability Test Cell
Diffusion permeability of an electrolyte or neutral molecules through the membrane under concentration gradient.
Water Permeability under pressure gradient
Water Permeability under Transmembrane Pressure Difference. Examples: evaluate possible defects or microporosity of e.g. heterogeneous ion-exchange membranes measure pressure diffusion in homogeneous polymer membranes.
Spacers
Mass Transfer Coefficient
Measurement of Mass Transfer Coefficient in a spacer-filled channel flown by a liquid at different flow velocities allows comparison of different spacer materials to be used in the membrane processes
Extruded spacer net in light microscope
Ion-Exchange Resin Bed
Conductivity
Specific electric conductivity of ion-exchange resin bed—important characteristic for resin selection in EDI, electrochemical regeneration and similar applications.
Monosphere ion-exchange resin beads in light microscope
Tools and Accessoiries
Get in Touch with Us
We’d be happy to discuss your needs and answer questions.
Contact our team today to find out how we can help.