Hi all; Just wondering how cotton shoe laces like the ones used on tennis shoes would work for electrode bags? Theodore --- Kevin Nolan <[email protected]> wrote: > Hello all. Another report on trying to eliminate > plate-out, inspired by a recent mailing to and from > 'Ole Bob'. Some months ago I posted a speculation > that wrapping a cathode in eg artificial chamois may > dramatically reduce plate-out - because that would > greatly reduce the amount of fresh fluid contacting > the cathode surface. Since then Bob posted a comment > about success using cotton bias tape wrapping - what > is called 'bagging the electrode'. I have tried it > using fairly thick cotton twill, wrapped twice > around a stainless steel plate (40mm X 200mm > section) and secured with small rubber bands. For > everything else the same, current is reduced about > 20% - from ~ 8.5mA to ~ 6.5mA owing to cotton wrap. > The big improvement is a dramatic reduction in > cathode plate-out, which is now just a thin, fairly > adherent film that barely stains the cotton (only at > the plate edges). No gunk fall out, no filtering, > perfectly clear and sparkly free CS, with moderate > levels of both tyndale and metallic taste. > > NOTE: This is using demineralised water to which > citric acid was added, which dramatically boosts > conductivity. It means the majority of charge > carriers reaching the cathode and reducing there > will be H+ ions, not Ag+. Not sure how effective > wrapping would be using the traditional LVDC method > - ie relying on residual impurities in DW to start > things yields nearly all the positive ions in > solution as Ag+. > > regards, Kevin Nolan >
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