{"product_id":"saturated-calomel-reference-electrode-neutral","title":"Saturated Calomel Reference Electrode，Neutral","description":"\u003cdiv data-page-id=\"Zf3ydQ50xo22ysxpyYmcCEgcnIe\" data-lark-html-role=\"root\" data-docx-has-block-data=\"true\"\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Zf3ydQ50xo22ysxpyYmcCEgcnIe\"\u003eSaturated Calomel Reference Electrode (SCE)\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-A2jkda58uoaTqOxdSBtcMdu4nKg\"\u003e\u003cstrong\u003eA Stable, Widely Adopted Reference Standard for Aqueous Electrochemistry\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-OlAMdmSvEoR8pax5K7Cc0qMpnTb\"\u003eThe FrankLab \u003cstrong\u003eSaturated Calomel Reference Electrode (SCE)\u003c\/strong\u003e is a classic and highly stable aqueous reference electrode based on the Hg\/Hg₂Cl₂ (calomel) redox couple in saturated KCl solution. With excellent potential reproducibility, low drift, and robust chemical stability, it remains a benchmark reference for voltammetry, corrosion analysis, electrocatalysis, and kinetic studies.\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-FMiedeDK4o2sbPxanEFcNeQjnQf\"\u003eEngineered for laboratories requiring \u003cstrong\u003emaximum stability\u003c\/strong\u003e, \u003cstrong\u003eprecision\u003c\/strong\u003e, and \u003cstrong\u003ereference \u003c\/strong\u003e\u003cstrong\u003econsistency\u003c\/strong\u003e across long-term experiments.\u003c\/div\u003e\n\u003cdiv data-type=\"divider\" class=\"old-record-id-Qrr3dqQxCok05xxGBHdcshXXnhb\"\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch1 class=\"heading-1 ace-line old-record-id-YiGtdf8qjoDY8GxfUbrcsdvMnZd\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-Y6z9dFktNoPBV7x9eqkctfOincf\"\u003e\u003cstrong\u003e• Highly Stable and Well-Defined Reference Potential\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul start=\"1\" class=\"list-bullet1\"\u003e\n\u003cli class=\"ace-line ace-line old-record-id-PlsxdDUsFocZv9xCaLGcrID9nMf\" data-list=\"bullet\"\u003e\n\u003cdiv\u003eStandard potential: \u003cstrong\u003e+0.241 V vs. NHE at 25°C\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-ZR1td6ANUo3X50xnmr5cBB8znHh\" data-list=\"bullet\"\u003e\n\u003cdiv\u003eVery low drift over time\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-HPurdqL65otO4IxkZNkco3V6nrd\" data-list=\"bullet\"\u003e\n\u003cdiv\u003eIdeal for quantitative kinetic studies and long-duration measurements\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-QKoGdsdAeofoiSxmU9QcKt0Rn0d\"\u003e\u003cstrong\u003e• Saturated KCl Internal Electrolyte\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul start=\"1\" class=\"list-bullet1\"\u003e\n\u003cli class=\"ace-line ace-line old-record-id-UvKXduK2UoFGenxf4z8cgpiGnuh\" data-list=\"bullet\"\u003e\n\u003cdiv\u003eEnsures stable activity of chloride ions\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-ZP7nd2RbloNgl4xmTCvc3I2kn9g\" data-list=\"bullet\"\u003e\n\u003cdiv\u003eProvides well-defined and highly reproducible electrode potential\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-Fa9cdfjinoF3QyxIYB4cdGzonKe\" data-list=\"bullet\"\u003e\n\u003cdiv\u003eFast equilibrium response after immersion\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-RBvZdKzGboUAJjxBV43cCSVgnuf\"\u003e\n\u003cstrong\u003e• \u003c\/strong\u003e\u003cstrong\u003eRobust\u003c\/strong\u003e\u003cstrong\u003e and Corrosion-Resistant Construction\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul start=\"1\" class=\"list-bullet1\"\u003e\n\u003cli class=\"ace-line ace-line old-record-id-LQygdoFwlogN3vx1u36c52YhnDc\" data-list=\"bullet\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGlass body\u003c\/strong\u003e with strong chemical resistance\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-Q4jAddnGdoTqHIxkxwTcXfQFnjg\" data-list=\"bullet\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePTFE cap\u003c\/strong\u003e for enhanced durability\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-TOFsdwM5DotiMnxGmLic4c4jnse\" data-list=\"bullet\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePorous ceramic or PTFE junction\u003c\/strong\u003e providing stable ionic conduction\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-GMWndrn6XonrVUx0ZUScCzSqnBh\"\u003e\u003cstrong\u003e• Low Leakage \u0026amp; Low Noise Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul start=\"1\" class=\"list-bullet1\"\u003e\n\u003cli class=\"ace-line ace-line old-record-id-JDhHdz9Vko3ofOxrFnocBbm6nMc\" data-list=\"bullet\"\u003e\n\u003cdiv\u003eOptimized junction minimizes contamination of the test solution\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-OiFNdkJ99oK8lOxEO7NcC9hKnec\" data-list=\"bullet\"\u003e\n\u003cdiv\u003eProduces highly stable baseline for CV, EIS, and corrosion tests\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-Hs0ndkWYOouufxxc1fvco2EVnXf\"\u003e\n\u003cstrong\u003e• Broad \u003c\/strong\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul start=\"1\" class=\"list-bullet1\"\u003e\n\u003cli class=\"ace-line ace-line old-record-id-TXvbdh4VLot9cPxFfxqcqYwrntW\" data-list=\"bullet\"\u003e\n\u003cdiv\u003eSuitable for almost all aqueous electrochemical systems\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-NiEJdOPHFo9vrOxFr41ckFUYnUe\" data-list=\"bullet\"\u003e\n\u003cdiv\u003eCompatible with FrankLab glass cells, H-type cells, PTFE cells, and PEC cells\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-CiOvdpqnfoh0hlxYLpPcdm7Knid\" data-list=\"bullet\"\u003e\n\u003cdiv\u003eRecommended for \u003cstrong\u003ecorrosion\u003c\/strong\u003e, \u003cstrong\u003eHER\/OER\u003c\/strong\u003e, \u003cstrong\u003eORR\u003c\/strong\u003e, and \u003cstrong\u003ebattery half-cell\u003c\/strong\u003e studies\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv data-type=\"divider\" class=\"old-record-id-QoBCdrfato7k04xqUW6c9C1xnLc\"\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch1 class=\"heading-1 ace-line old-record-id-Qf8kd4BXtoj5kPxQNrVcZYOyn7f\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv data-type=\"sheet\" class=\"old-record-id-XBfmdcrMzou96BxPIy7cCgIInsb\"\u003e\n\u003cmeta content=\"text\/html; charset=utf-8\" http-equiv=\"Content-Type\"\u003e\n\u003ctable\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"185\"\u003e\n\u003ccol width=\"408\"\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eParameter\u003c\/td\u003e\n\u003ctd\u003eValue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eElectrode Type\u003c\/td\u003e\n\u003ctd\u003eSaturated Calomel Electrode (SCE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eReference Couple\u003c\/td\u003e\n\u003ctd\u003eHg\/Hg₂Cl₂\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eInternal Electrolyte\u003c\/td\u003e\n\u003ctd\u003eSaturated KCl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eReference Potential\u003c\/td\u003e\n\u003ctd\u003e+0.241 V vs. NHE (25°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eBorosilicate Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eCap Material\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eJunction Type\u003c\/td\u003e\n\u003ctd\u003ePorous ceramic \/ PTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e~65–100 mm (depending on model)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e~6–9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0–50°C (Calomel limit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eStorage Solution\u003c\/td\u003e\n\u003ctd\u003eSaturated KCl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eExpected Lifetime\u003c\/td\u003e\n\u003ctd\u003e6–12 months under proper use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv data-type=\"divider\" class=\"old-record-id-FSQRdgLNPojTL7x6zB5csY9On2f\"\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch1 class=\"heading-1 ace-line old-record-id-ZCgzdh4j8o9fGlxSN4Jc892qnQg\"\u003e\n\u003cstrong\u003eUsage Notes \u0026amp; \u003c\/strong\u003e\u003cstrong\u003eSafety\u003c\/strong\u003e\n\u003c\/h1\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-IPNudIaEQoUjeYxgmqscVO8on7g\"\u003e\u003cstrong\u003e✔ Temperature Limit ≤ 50°C\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-F0DJd1FCWoVmZuxh4rpcKdB7noe\"\u003eSCE contains mercury; operating above 50°C can cause potential drift and internal pressure risks.\u003c\/div\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-RhhFdyYKiopWWPxUQdQcabYYn4e\"\u003e\u003cstrong\u003e✔ Never use in non-aqueous solvents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-JrHPd93LOoi9wHxwAwRcf6dnnce\"\u003eChloride exchange can produce large potential errors; use via \u003cstrong\u003esalt bridge\u003c\/strong\u003e if non-aqueous tests are required.\u003c\/div\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-B4fGdFpQ2o0wZYxkWUicwlY3nvf\"\u003e\u003cstrong\u003e✔ Avoid oxidizing environments\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-TUxkdU4bYoMNfFxUh4ocbHiKnjh\"\u003eStrong oxidizers may degrade the calomel system.\u003c\/div\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-GXGfdcb5PoKc5fxSAfXcuh9Gn7f\"\u003e\u003cstrong\u003e✔ Store in saturated KCl\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-SSS9dRSFHort5dxA3QzcZamYnLe\"\u003eMaintains junction hydration and prevents drift.\u003c\/div\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-CWWHd7pXro3uy5xv7xxchGPNnFe\"\u003e\u003cstrong\u003e✔ Complies with laboratory mercury handling standards\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Jhnod88sMomtZXxivLGc6l0GnUc\"\u003eFollow standard disposal and environmental safety protocols.\u003c\/div\u003e\n\u003cdiv data-type=\"divider\" class=\"old-record-id-IFFmddxt7oXoLUx6jSIcEGaBnEb\"\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch1 class=\"heading-1 ace-line old-record-id-RwlUdhxvLo3xRtx4BTwcayZwn1c\"\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cul start=\"1\" class=\"list-bullet1\"\u003e\n\u003cli class=\"ace-line ace-line old-record-id-TfCUdneLHorMSDxlg3NcDJDGnbQ\" data-list=\"bullet\"\u003e\n\u003cdiv\u003eHigh-precision cyclic voltammetry (CV) and linear sweep voltammetry (LSV)\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-EsF7dK08ZoG9BdxwbQ4cHx7jnph\" data-list=\"bullet\"\u003e\n\u003cdiv\u003eElectrochemical impedance spectroscopy (EIS)\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-PZ7Hd7cTfoKVSLxtHMrcHU74nR3\" data-list=\"bullet\"\u003e\n\u003cdiv\u003eCorrosion and polarization curve studies (Tafel \/ E–log i)\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-UUHsddABFop2scx6thMcbTh0ntb\" data-list=\"bullet\"\u003e\n\u003cdiv\u003eElectrocatalyst performance evaluation in aqueous electrolytes\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-FsAEdC0McoIfSOxOPRfc2QRznge\" data-list=\"bullet\"\u003e\n\u003cdiv\u003eBattery material testing and redox chemistry mechanistic studies\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-X4m2d3PAto0hJ5xyQCLcZJIWnSU\" data-list=\"bullet\"\u003e\n\u003cdiv\u003eTeaching laboratories requiring stable reference standards\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Franklab","offers":[{"title":"Default Title","offer_id":44624043704354,"sku":null,"price":49.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/7008\/4386\/files\/Saturated-Calomel-Reference-Electrode_Neutral-1.jpg?v=1773997087","url":"https:\/\/franklab.shop\/products\/saturated-calomel-reference-electrode-neutral","provider":"Franklab","version":"1.0","type":"link"}