The CHI684 is a multi-channel multiplexer for the model 400B/C, 600D/E/F, 700D/E/F, 800B/C/D, 900C/D, and 1100B/C/D series. The multiplexer switches four lines (working, sensing, reference, and counter for single-channel potentiostats; working, 2nd working, reference, and counter for bipotentiostats). You can have up to 64 cells, but only one cell can be connected at a time. The multiplexer is controlled using the "Multiplexer" command under the Control menu. You can select any channel(s) and run experiments in a sequence of selected channels. Data will automatically be saved to file after each run. You can also be prompted before each channel run. Arbitrary channels can be set immediately. An experiment can then be run for that particular channel. Two Macro commands are available for the multiplexer. One is "mch:##", which allows the user to choose an individual channel. The other macro command is "mchn". This is used in a For...Next loop to select the channel according to the For...Next loop counter. The allowed channels for the CHI684 is 16, 32 and 64.
Non-Aqueous Ag/Ag+ Reference Electrode w/ porous Teflon Tip. For the CHI112, Ag+ solution (typically 10 mM) should be prepared with the supporting electrolyte and AgNO3 (not included). This solution is then filled into the reference electrode compartment using a syringe (not included). The instructions will come with the components.
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Electrode leads for model number xxx (where xxx = 600, 710B, etc.)
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Electrode Polishing Kit. The CHI120 electrode polishing kit contains 1 bottle of 1.0 micron Alpha alumina powder, 1 bottle of 0.3 micron Alpha alumina powder, 3 bottles of 0.05 micron Gamma alumina powder, 2 glass plates for polishing pads, 5 pieces of 73 mm diameter 1200 grit Carbimet disks (grey in color), 5 pieces of 73 mm diameter Mastertex polishing pads (white in color), and 10 pieces of 73 mm diameter Microcloth polishing pads (brown in color).
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