accuCap Capillary Junction pH Combination Electrodes - Plastic Body, Gel-Filled - Mercury-Free, Large junction for increased flow, minimal clogging, Each

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Large junction for increased flow, minimal cloggingBetter junctionSingle-pore capillary junction is ∽200 times larger than typical ceramic junctionsAlmost impossible to clog, even in difficult samplesIncreased electrolyte flow, greater contact between sample and reference, fast and stable readingsBetter reference designDouble junction design for enhanced performanceDiffusion barrier separates silver chloride reservoir from reference electrolytePermits use of silver-free electrolytes, prevents silver chloride loss from temperature-induced variationsResult: an extremely stable reference potential, providing long electrode lifeMost accurateTesting at German Federal Physical Technical Institute in Braunschweig determined this electrode design to be the most accurate laboratory electrodeSee Traceability of pH measurement by Petra Spitzer; ISBN 3-89429-877-4 or SSN 0947-7063Standard plastic body and glass pH membraneSolid polymer-gel electrolyte offers the advantages of the accuCap system in a maintenance-free versionProvides a more stable matrix than other gelled electrode reference systemsGives reliable results in very dirty, ion-weak or protein samplesReliable even at low pH or in presence of some organic solvents (check compatibility before measuring)