{"title":"Reference Electrodes","description":"\u003ch2\u003eReference Electrodes for Electrochemical Measurements\u003c\/h2\u003e\u003cp\u003eCompare reference electrodes for laboratory electrochemistry, corrosion studies, battery research and three-electrode measurements. Available models include silver\/silver chloride (Ag\/AgCl), saturated calomel (SCE), mercury\/mercury sulfate (Hg\/Hg₂SO₄), mercury\/mercuric oxide (Hg\/HgO) and silver\/silver-ion (Ag\/Ag⁺) reference electrodes.\u003c\/p\u003e\u003cp\u003eSelect the reference system according to electrolyte composition, aqueous or non-aqueous conditions, pH range, expected potential window, junction design, operating temperature and chemical compatibility. Reference potentials depend on the internal filling solution and test conditions, so use the values and limitations stated on the individual product page and technical data sheet. For a complete three-electrode setup, compare compatible \u003ca href=\"\/collections\/counter-electrodes\"\u003ecounter electrodes\u003c\/a\u003e, \u003ca href=\"\/collections\/working-electrodes\"\u003eworking electrodes\u003c\/a\u003e and the broader \u003ca href=\"\/collections\/electrochemistry\"\u003eelectrochemistry collection\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"r0302-ag-agcl-reference-electrode","title":"R0302 Silver\/Silver Chloride (Ag\/AgCl) Reference Electrode - 6mm OD","description":"\u003ch2 data-path-to-node=\"13\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-path-to-node=\"14\"\u003eThe R0302 Ag\/AgCl reference electrode is an essential tool for high-precision electrochemical analysis. Designed for durability and stability, it utilizes a glass body construction with a refillable internal chamber, allowing researchers to maintain the electrolyte concentration (3.5M KCl) for long-term consistency.\u003c\/p\u003e\n\u003cp data-path-to-node=\"15\"\u003eThe integration of a porous Teflon (PTFE) frit as the liquid junction ensures a uniform and low leakage rate, which is critical for preventing contamination of the test solution while maintaining a stable electrical connection. Its standard 6mm outer diameter ensures seamless compatibility with most commercial electrochemical workstations and laboratory-scale testing hardware.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"16\"\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"17,0,0\"\u003e\n\u003cb data-path-to-node=\"17,0,0\" data-index-in-node=\"0\"\u003eHigh Potential Stability:\u003c\/b\u003e Delivers a consistent and reproducible reference potential with minimal drift over time.\u003c\/li\u003e\n\u003cli data-path-to-node=\"17,1,0\"\u003e\n\u003cb data-path-to-node=\"17,1,0\" data-index-in-node=\"0\"\u003eRefillable Design:\u003c\/b\u003e Features a top sealing port for easy replenishment of the 3.5M KCl internal electrolyte, extending the electrode’s lifespan.\u003c\/li\u003e\n\u003cli data-path-to-node=\"17,2,0\"\u003e\n\u003cb data-path-to-node=\"17,2,0\" data-index-in-node=\"0\"\u003eChemical-Resistant Junction:\u003c\/b\u003e The porous Teflon (PTFE) frit provides excellent chemical resistance and prevents clogging compared to traditional ceramic junctions.\u003c\/li\u003e\n\u003cli data-path-to-node=\"17,3,0\"\u003e\n\u003cb data-path-to-node=\"17,3,0\" data-index-in-node=\"0\"\u003eUniversal Compatibility:\u003c\/b\u003e Designed with a standard 6mm OD to fit CHI, Metrohm, Autolab, and other major electrochemical workstation cell holders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100.946%; height: 210px;\" data-path-to-node=\"9\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.6087px;\"\u003e\n\u003ctd style=\"text-align: center; width: 39.2377%; height: 19.6087px;\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 60.4764%; height: 19.6087px;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"text-align: center; height: 19.6087px;\"\u003e\n\u003ctd style=\"width: 39.2377%; height: 19.6087px;\"\u003e\u003cspan data-path-to-node=\"9,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,1,0,0\"\u003eModel\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.4764%; height: 19.6087px;\"\u003e\u003cspan data-path-to-node=\"9,1,1,0\"\u003eR0302\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center; height: 19.6087px;\"\u003e\n\u003ctd style=\"width: 39.2377%; height: 19.6087px;\"\u003e\u003cspan data-path-to-node=\"9,2,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,2,0,0\"\u003eElectrode Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.4764%; height: 19.6087px;\"\u003e\u003cspan data-path-to-node=\"9,2,1,0\"\u003eAg\/AgCl (Silver\/Silver Chloride)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center; height: 19.6087px;\"\u003e\n\u003ctd style=\"width: 39.2377%; height: 19.6087px;\"\u003e\u003cspan data-path-to-node=\"9,3,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,3,0,0\"\u003eInternal Electrolyte\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.4764%; height: 19.6087px;\"\u003e\u003cspan data-path-to-node=\"9,3,1,0\"\u003e3.5M KCl\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center; height: 19.6087px;\"\u003e\n\u003ctd style=\"width: 39.2377%; height: 19.6087px;\"\u003e\u003cspan data-path-to-node=\"9,4,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,4,0,0\"\u003eReference Potential\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.4764%; height: 19.6087px;\"\u003e\u003cspan data-path-to-node=\"9,4,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,4,1,0\"\u003e\u003cspan data-index-in-node=\"0\" data-math=\"0.205V\" class=\"math-inline\"\u003e0.205V\u003c\/span\u003e at \u003cspan data-index-in-node=\"10\" data-math=\"25^{\\circ}C\" class=\"math-inline\"\u003e25 \u003cspan\u003edegrees centigrade\u003c\/span\u003e\u003c\/span\u003e (vs. SHE)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center; height: 19.6087px;\"\u003e\n\u003ctd style=\"width: 39.2377%; height: 19.6087px;\"\u003e\u003cspan data-path-to-node=\"9,5,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,5,0,0\"\u003eOuter Diameter (OD)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.4764%; height: 19.6087px;\"\u003e\u003cspan data-path-to-node=\"9,5,1,0\"\u003e6.0 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center; height: 19.6087px;\"\u003e\n\u003ctd style=\"width: 39.2377%; height: 19.6087px;\"\u003e\u003cspan data-path-to-node=\"9,6,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,6,0,0\"\u003eOperating Temp Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.4764%; height: 19.6087px;\"\u003e\u003cspan data-path-to-node=\"9,6,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,6,1,0\"\u003e0 to \u003cspan data-index-in-node=\"14\" data-math=\"70^{\\circ}C\" class=\"math-inline\"\u003e70 \u003cspan\u003edegrees centigrade\u003c\/span\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6087px;\"\u003e\n\u003ctd style=\"text-align: center; width: 39.2377%; height: 19.6087px;\"\u003e\u003cspan data-path-to-node=\"9,7,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,7,0,0\"\u003eApplicable Media\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 60.4764%; height: 19.6087px;\"\u003e\u003cspan data-path-to-node=\"9,7,1,0\"\u003eNeutral and Acidic Solutions\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"20\"\u003e\u003cimg height=\"557\" width=\"258\" alt=\"R0302 Silver\/Silver Chloride (Ag\/AgCl) Reference Electrode\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/9586\/4767\/files\/R0302_Silver_Silver_Chloride_Ag_AgCl_Reference_Electrode.jpg?v=1776569355\"\u003e\u003c\/h2\u003e\n\u003ch2 data-path-to-node=\"20\"\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"21,0,0\"\u003e\n\u003cb data-path-to-node=\"21,0,0\" data-index-in-node=\"0\"\u003eAqueous Battery Research:\u003c\/b\u003e Ideal for Cyclic Voltammetry (CV) and Electrochemical Impedance Spectroscopy (EIS) in water-based electrolyte systems.\u003c\/li\u003e\n\u003cli data-path-to-node=\"21,1,0\"\u003e\n\u003cb data-path-to-node=\"21,1,0\" data-index-in-node=\"0\"\u003eCorrosion Studies:\u003c\/b\u003e Measurement of polarization curves and open-circuit potentials in aqueous environments.\u003c\/li\u003e\n\u003cli data-path-to-node=\"21,2,0\"\u003e\n\u003cb data-path-to-node=\"21,2,0\" data-index-in-node=\"0\"\u003eSensor Development:\u003c\/b\u003e Provides a stable reference for developing biological and chemical sensors.\u003c\/li\u003e\n\u003cli data-path-to-node=\"21,3,0\"\u003e\n\u003cb data-path-to-node=\"21,3,0\" data-index-in-node=\"0\"\u003eElectrocatalysis:\u003c\/b\u003e Used in three-electrode systems to evaluate the performance of OER, HER, and ORR catalysts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n\u003cimg\u003eReference Electrode Potential Selection Guide\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"4\" height=\"790\" style=\"width: 104.691%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.3843%; text-align: center;\"\u003e\u003cstrong\u003eReference Electrode Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.7281%; text-align: center;\"\u003e\u003cstrong\u003eElectrode Structure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 12.3736%; text-align: center;\"\u003e\u003cstrong\u003ePotential (V vs. SHE)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 14.1057%; text-align: center;\"\u003e\u003cstrong\u003eCommon Applications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 25.2756%; text-align: center;\"\u003e\u003cstrong\u003ePros \u0026amp; Cons\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd style=\"width: 23.3843%;\"\u003e\u003cspan data-path-to-node=\"4,1,0,0\"\u003e\u003cb data-path-to-node=\"4,1,0,0\" data-index-in-node=\"0\"\u003eSaturated Calomel Electrode (SCE)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.7281%;\"\u003e\u003cspan data-path-to-node=\"4,1,1,0\"\u003e\u003cspan class=\"math-inline\" data-math=\"Hg\/Hg_2Cl_2\/Saturated\\ KCl\" data-index-in-node=\"0\"\u003eHg\/Hg2Cl2\/Saturated KCl\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 12.3736%;\"\u003e\u003cspan data-path-to-node=\"4,1,2,0\"\u003e0.242V\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 14.1057%;\"\u003e\u003cspan data-path-to-node=\"4,1,3,0\"\u003eNeutral, Acidic\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 25.2756%;\"\u003e\u003cspan data-path-to-node=\"4,1,4,0\"\u003eRecommended for use below 40°C; \u003cb data-path-to-node=\"4,1,4,0\" data-index-in-node=\"32\"\u003ecannot\u003c\/b\u003e be used in alkaline environments.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd style=\"width: 23.3843%;\"\u003e\u003cspan data-path-to-node=\"4,2,0,0\"\u003e\u003cb data-path-to-node=\"4,2,0,0\" data-index-in-node=\"0\"\u003eSilver\/Silver Chloride Electrode (Ag\/AgCl)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.7281%;\"\u003e\u003cspan data-path-to-node=\"4,2,1,0\"\u003e\u003cspan class=\"math-inline\" data-math=\"Ag\/AgCl\/3.5M\\ KCl\" data-index-in-node=\"0\"\u003eAg\/AgCl\/3.5M KCl\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 12.3736%;\"\u003e\u003cspan data-path-to-node=\"4,2,2,0\"\u003e0.205V\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 14.1057%;\"\u003e\u003cspan data-path-to-node=\"4,2,3,0\"\u003eNeutral, Acidic\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 25.2756%;\"\u003e\u003cspan data-path-to-node=\"4,2,4,0\"\u003eExcellent stability. \u003cb data-path-to-node=\"4,2,4,0\" data-index-in-node=\"21\"\u003eAvoid\u003c\/b\u003e use with \u003cspan class=\"math-inline\" data-math=\"HNO_3\" data-index-in-node=\"36\"\u003eHNO3\u003c\/span\u003e or ions such as \u003cspan class=\"math-inline\" data-math=\"Br^-\" data-index-in-node=\"58\"\u003eBr-\u003c\/span\u003e, \u003cspan class=\"math-inline\" data-math=\"I^-\" data-index-in-node=\"64\"\u003eI-\u003c\/span\u003e, \u003cspan class=\"math-inline\" data-math=\"NH_4^+\" data-index-in-node=\"69\"\u003eNH4+\u003c\/span\u003e, and \u003cspan class=\"math-inline\" data-math=\"CN^-\" data-index-in-node=\"81\"\u003eCN-\u003c\/span\u003e.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd style=\"width: 23.3843%;\"\u003e\u003cspan data-path-to-node=\"4,3,0,0\"\u003e\u003cb data-path-to-node=\"4,3,0,0\" data-index-in-node=\"0\"\u003eMercury\/Mercuric Oxide Electrode (Hg\/HgO)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.7281%;\"\u003e\u003cspan data-path-to-node=\"4,3,1,0\"\u003e\u003cspan class=\"math-inline\" data-math=\"Hg\/HgO\/1M\\ KOH\" data-index-in-node=\"0\"\u003eHg\/HgO\/1M KOH\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 12.3736%;\"\u003e\u003cspan data-path-to-node=\"4,3,2,0\"\u003e0.098V\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 14.1057%;\"\u003e\u003cspan data-path-to-node=\"4,3,3,0\"\u003eAlkaline\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 25.2756%;\"\u003e\u003cspan data-path-to-node=\"4,3,4,0\"\u003eHigh sensitivity and fast response. Recommended for use below 40°C.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd style=\"width: 23.3843%;\"\u003e\u003cspan data-path-to-node=\"4,4,0,0\"\u003e\u003cb data-path-to-node=\"4,4,0,0\" data-index-in-node=\"0\"\u003eMercury\/Mercurous Sulfate Electrode (\u003cspan class=\"math-inline\" data-math=\"Hg\/Hg_2SO_4\" data-index-in-node=\"37\"\u003eHg\/Hg2SO4\u003c\/span\u003e)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.7281%;\"\u003e\u003cspan data-path-to-node=\"4,4,1,0\"\u003e\u003cspan class=\"math-inline\" data-math=\"Hg\/Hg_2SO_4\/Sat.\\ K_2SO_4\" data-index-in-node=\"0\"\u003eHg\/Hg2SO4\/Sat. K2SO4\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 12.3736%;\"\u003e\u003cspan data-path-to-node=\"4,4,2,0\"\u003e0.656V\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 14.1057%;\"\u003e\u003cspan data-path-to-node=\"4,4,3,0\"\u003eSulfuric acid \u0026amp; Sulfate solutions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 25.2756%;\"\u003e\u003cspan data-path-to-node=\"4,4,4,0\"\u003eUse below 40°C. Note: High negative temperature coefficient and thermal hysteresis.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.3843%; text-align: center;\"\u003e\u003cspan data-path-to-node=\"4,5,0,0\"\u003e\u003cb data-path-to-node=\"4,5,0,0\" data-index-in-node=\"0\"\u003eNon-Aqueous Silver Ion Electrode (\u003cspan class=\"math-inline\" data-math=\"Ag\/Ag^+\" data-index-in-node=\"34\"\u003eAg\/Ag+\u003c\/span\u003e)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 23.7281%; text-align: center;\"\u003e\u003cspan data-path-to-node=\"4,5,1,0\"\u003eUser-prepared\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 12.3736%; text-align: center;\"\u003e\u003cspan data-path-to-node=\"4,5,2,0\"\u003e-\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 14.1057%; text-align: center;\"\u003e\u003cspan data-path-to-node=\"4,5,3,0\"\u003eNon-aqueous \/ Organic systems\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 25.2756%; text-align: center;\"\u003e\u003cspan data-path-to-node=\"4,5,4,0\"\u003ePotential depends on the specific organic electrolyte and \u003cspan class=\"math-inline\" data-math=\"Ag^+\" data-index-in-node=\"58\"\u003eAg+\u003c\/span\u003e concentration used.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Flux Battery Hub","offers":[{"title":"Default Title","offer_id":45513441771711,"sku":"R0302","price":52.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/9586\/4767\/files\/R0302SilverSilverChloride_AgAgCl_ReferenceElectrode-6mmOD.png?v=1776568998"},{"product_id":"hg-hgo-reference-electrode-r0501","title":"Hg\/HgO Reference Electrode (Mercury\/Mercuric Oxide) - R0501","description":"\u003ch2 data-path-to-node=\"12\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-path-to-node=\"13\"\u003eThe R0501 Hg\/HgO reference electrode is engineered for precision in alkaline media. It features a robust glass body and a porous junction that ensures steady ion exchange with minimal clogging. With a standard \u003cb data-path-to-node=\"13\" data-index-in-node=\"210\"\u003e6mm outer diameter\u003c\/b\u003e, it integrates seamlessly into laboratory-scale electrochemical cells. This electrode is highly favored by researchers for its high sensitivity and rapid response times when characterizing materials in alkaline energy storage systems.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"14\"\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"15,0,0\"\u003e\n\u003cb data-path-to-node=\"15,0,0\" data-index-in-node=\"0\"\u003eAlkaline Optimized:\u003c\/b\u003e Specifically designed for pH \u0026gt; 7 environments where standard Ag\/AgCl electrodes drift or fail.\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,1,0\"\u003e\n\u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"0\"\u003eHigh Sensitivity:\u003c\/b\u003e Delivers fast and accurate potential measurements for kinetics and catalysis studies.\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,2,0\"\u003e\n\u003cb data-path-to-node=\"15,2,0\" data-index-in-node=\"0\"\u003eStandard Compatibility:\u003c\/b\u003e 6mm OD fits most commercial cell holders and Landt\/BioLogic testing setups.\u003c\/li\u003e\n\u003cli data-path-to-node=\"15,3,0\"\u003e\n\u003cb data-path-to-node=\"15,3,0\" data-index-in-node=\"0\"\u003eStable Reference:\u003c\/b\u003e Provides a reliable potential of \u003cb data-path-to-node=\"15,3,0\" data-index-in-node=\"51\"\u003e0.098V vs. SHE\u003c\/b\u003e at 25°C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"14\" height=\"233\" style=\"width: 100.054%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center; width: 41.3465%;\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 55.9601%;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd style=\"width: 41.3465%;\"\u003e\u003cspan data-path-to-node=\"14,1,0,0\"\u003e\u003cb data-path-to-node=\"14,1,0,0\" data-index-in-node=\"0\"\u003eModel\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.9601%;\"\u003e\u003cspan data-path-to-node=\"14,1,1,0\"\u003e\u003cb data-path-to-node=\"14,1,1,0\" data-index-in-node=\"0\"\u003eR0501\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd style=\"width: 41.3465%;\"\u003e\u003cspan data-path-to-node=\"14,2,0,0\"\u003e\u003cb data-path-to-node=\"14,2,0,0\" data-index-in-node=\"0\"\u003eElectrode Structure\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.9601%;\"\u003e\u003cspan data-path-to-node=\"14,2,1,0\"\u003eHg \/ HgO \/ 1M KOH\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd style=\"width: 41.3465%;\"\u003e\u003cspan data-path-to-node=\"14,3,0,0\"\u003e\u003cb data-path-to-node=\"14,3,0,0\" data-index-in-node=\"0\"\u003eElectrode Potential\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.9601%;\"\u003e\u003cspan data-path-to-node=\"14,3,1,0\"\u003e\u003cb data-path-to-node=\"14,3,1,0\" data-index-in-node=\"0\"\u003e0.098V (at 25°C vs. SHE)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd style=\"width: 41.3465%;\"\u003e\u003cspan data-path-to-node=\"14,4,0,0\"\u003e\u003cb data-path-to-node=\"14,4,0,0\" data-index-in-node=\"0\"\u003eOuter Diameter (\u003cspan class=\"math-inline\" data-math=\"\\phi\" data-index-in-node=\"16\"\u003e$\\phi$\u003c\/span\u003e)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.9601%;\"\u003e\u003cspan data-path-to-node=\"14,4,1,0\"\u003e\u003cb data-path-to-node=\"14,4,1,0\" data-index-in-node=\"0\"\u003e6 mm\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd style=\"width: 41.3465%;\"\u003e\u003cspan data-path-to-node=\"14,5,0,0\"\u003e\u003cb data-path-to-node=\"14,5,0,0\" data-index-in-node=\"0\"\u003eGlass Body Length\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.9601%;\"\u003e\u003cspan data-path-to-node=\"14,5,1,0\"\u003e\u003cb data-path-to-node=\"14,5,1,0\" data-index-in-node=\"0\"\u003e65 mm\u003c\/b\u003e (Lower glass section)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd style=\"width: 41.3465%;\"\u003e\u003cspan data-path-to-node=\"14,6,0,0\"\u003e\u003cb data-path-to-node=\"14,6,0,0\" data-index-in-node=\"0\"\u003eTotal Length\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.9601%;\"\u003e\u003cspan data-path-to-node=\"14,6,1,0\"\u003e\u003cb data-path-to-node=\"14,6,1,0\" data-index-in-node=\"0\"\u003eApprox. 140 mm\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd style=\"width: 41.3465%;\"\u003e\u003cspan data-path-to-node=\"14,7,0,0\"\u003e\u003cb data-path-to-node=\"14,7,0,0\" data-index-in-node=\"0\"\u003eOperating Temperature\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55.9601%;\"\u003e\u003cspan data-path-to-node=\"14,7,1,0\"\u003e\u003cb data-path-to-node=\"14,7,1,0\" data-index-in-node=\"0\"\u003e0 - 40°C\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center; width: 41.3465%;\"\u003e\u003cspan data-path-to-node=\"14,8,0,0\"\u003e\u003cb data-path-to-node=\"14,8,0,0\" data-index-in-node=\"0\"\u003eTypical Application\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center; width: 55.9601%;\"\u003e\u003cspan data-path-to-node=\"14,8,1,0\"\u003eAlkaline Media \/ High pH Solutions\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Flux Battery Hub","offers":[{"title":"Default Title","offer_id":45516637798591,"sku":"EL003","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/9586\/4767\/files\/HgHgOReferenceElectrode_MercuryMercuricOxide_-R0501.webp?v=1776597348"},{"product_id":"saturated-calomel-reference-electrode-sce-for-neutral-aqueous-systems","title":"Saturated Calomel Reference Electrode (SCE) for Neutral Aqueous Systems","description":"\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThis saturated calomel reference electrode provides a stable reference potential for three-electrode electrochemical measurements in neutral and general aqueous systems. It is suited to cyclic voltammetry, corrosion studies, electrode evaluation, and other laboratory electrochemistry workflows.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSaturated calomel (Hg\/Hg₂Cl₂) reference system\u003c\/li\u003e\n\u003cli\u003eDesigned for aqueous electrochemical testing\u003c\/li\u003e\n\u003cli\u003eCompatible with common potentiostat and three-electrode cell setups\u003c\/li\u003e\n\u003cli\u003eReplaceable laboratory reference electrode format\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSelection notes\u003c\/h2\u003e\n\u003cp\u003eVerify chemical compatibility before use. Avoid applications where chloride contamination is unacceptable. Reference potential depends on temperature and filling solution condition.\u003c\/p\u003e\n\u003ch2\u003eSafety\u003c\/h2\u003e\n\u003cp\u003eContains mercury compounds. For professional laboratory use only. Follow applicable handling, storage, and hazardous-waste disposal requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/9586\/4767\/files\/r0232-saturated-calomel-reference-electrode-dimensions-specifications_e695526f-91f5-481c-aadc-412cb587ca2e.png?v=1785251286\" alt=\"R0232 saturated calomel reference electrode dimensions and technical specifications\"\u003e\u003c\/p\u003e","brand":"Flux Battery Hub","offers":[{"title":"R0232","offer_id":45914787676351,"sku":"R0232","price":53.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/9586\/4767\/files\/saturated-calomel-r232-reference-electrode-white_989dacfe-b46b-4042-81b3-1d27e4e62786.png?v=1785051331"},{"product_id":"mercury-sulfate-reference-electrode-hg-hg-so-for-acidic-systems","title":"Mercury Sulfate Reference Electrode (Hg\/Hg₂SO₄) for Acidic Systems","description":"\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThis mercury sulfate reference electrode is intended for electrochemical measurements in acidic and sulfate-containing media where a chloride-free reference system is preferred. It supports controlled-potential testing, corrosion research, battery studies, and general three-electrode experiments.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury\/mercurous sulfate (Hg\/Hg₂SO₄) reference system\u003c\/li\u003e\n\u003cli\u003eSuitable for acidic and sulfate electrolytes\u003c\/li\u003e\n\u003cli\u003eHelps avoid chloride introduction into the test solution\u003c\/li\u003e\n\u003cli\u003eDesigned for laboratory potentiostat and electrochemical cell setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSelection notes\u003c\/h3\u003e\n\u003cp\u003eConfirm electrolyte compatibility and the required reference-potential conversion before use. Reference potential depends on filling solution concentration and temperature.\u003c\/p\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eContains mercury compounds. For professional laboratory use only. Follow applicable handling, storage, transport, and hazardous-waste disposal requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0729\/9586\/4767\/files\/r0401-mercury-sulfate-reference-electrode-dimensions-specifications_44303311-13b6-4acd-8cca-3b476b3a06e9.png?v=1785249201\" alt=\"R0401 mercury sulfate reference electrode dimensions and technical specifications\"\u003e\u003c\/p\u003e","brand":"Flux Battery Hub","offers":[{"title":"R0401","offer_id":45914790232255,"sku":"R0401","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/9586\/4767\/files\/mercury-sulfate-r0401-reference-electrode-white_8845c00f-11eb-4a62-a1f6-c1259e1a5811.png?v=1785051339"},{"product_id":"silver-silver-ion-reference-electrode-ag-ag-for-non-aqueous-systems","title":"Silver\/Silver-Ion Reference Electrode (Ag\/Ag⁺) for Non-Aqueous Systems","description":"\u003ch2\u003eProduct overview\u003c\/h2\u003e\u003cp\u003eThis silver\/silver-ion reference electrode is designed for non-aqueous and organic-electrolyte electrochemistry where conventional aqueous reference electrodes are unsuitable. It is intended for research involving organic solvents, battery electrolytes, and other controlled three-electrode measurements.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAg\/Ag⁺ reference system for non-aqueous electrochemistry\u003c\/li\u003e\n\u003cli\u003eSuitable for organic-solvent and battery-electrolyte studies\u003c\/li\u003e\n\u003cli\u003eDesigned for potentiostat-based three-electrode testing\u003c\/li\u003e\n\u003cli\u003eLaboratory reference electrode with replaceable filling-solution workflow\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSelection notes\u003c\/h3\u003e\u003cp\u003eSelect the filling solution and silver-ion concentration to match the solvent and test method. The reference potential varies with silver-ion activity, supporting electrolyte, temperature, and junction condition.\u003c\/p\u003e\u003ch3\u003eUse and care\u003c\/h3\u003e\u003cp\u003eFor professional laboratory use only. Store and maintain the electrode according to the selected filling solution and solvent compatibility requirements.\u003c\/p\u003e","brand":"Flux Battery Hub","offers":[{"title":"R0202","offer_id":45914791084223,"sku":"R0202","price":79.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/9586\/4767\/files\/silver-ion-r0202-reference-electrode-white_de8f0035-7697-49eb-9065-ed95e1a42aa8.png?v=1785051348"}],"url":"https:\/\/fluxbatteryhub.com\/collections\/reference-electrodes.oembed","provider":"Flux Battery Hub","version":"1.0","type":"link"}