{"product_id":"hg-hgo-reference-electrode-alkaline","title":"Hg\/HgO Reference Electrode，Alkaline","description":"\u003cdiv data-docx-has-block-data=\"true\" data-lark-html-role=\"root\" data-page-id=\"TW0pd4slhoyp6ix8rcZc7PeEn2i\"\u003e\n\u003ch1 class=\"heading-1 ace-line old-record-id-ES8YdJSvMo1vGBxMmOHcZJ82nOf\"\u003e\u003cstrong\u003eHg\/HgO Reference Electrode, Alkaline | FrankLab\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-K1ARd8H4RoPbyXxb2T8ckRH0nyc\"\u003eThe FrankLab \u003cstrong\u003eHg\/HgO Reference Electrode\u003c\/strong\u003e is the industry standard for \u003cstrong\u003ealkaline electrochemistry\u003c\/strong\u003e, delivering a highly stable and reproducible reference potential in \u003cstrong\u003eKOH-based electrolytes\u003c\/strong\u003e. It is widely used in \u003cstrong\u003eOER\/HER studies\u003c\/strong\u003e, \u003cstrong\u003etransition-metal oxide catalysts\u003c\/strong\u003e, \u003cstrong\u003ezinc–air and alkaline batteries\u003c\/strong\u003e, and \u003cstrong\u003ealkaline fuel cells\u003c\/strong\u003e.\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-MDU8d8U26oTYVMx3njFcH6EInob\"\u003eConstructed from \u003cstrong\u003ehigh borosilicate glass\u003c\/strong\u003e and a corrosion-resistant PTFE top, this electrode ensures long service life and excellent chemical stability even under harsh alkaline conditions.\u003c\/div\u003e\n\u003ch1 class=\"heading-1 ace-line old-record-id-B75tdyKIdoCdV7xuo3vcszflnse\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-SEyMdlejDo9hAixxxKxcdKRbn4e\"\u003e\n\u003cstrong\u003e• Designed for Alkaline Electrolytes (KOH \/ \u003c\/strong\u003e\u003cstrong\u003eNaOH\u003c\/strong\u003e\u003cstrong\u003e)\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-NflidqVMRoERY5xNNIRcqqEHnqb\"\u003eOptimized for 0.1–6 M KOH systems:\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-X6Ckd9sCVodVHXxZDsLcMR6dnrf\"\u003e•Highly stable potential\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-VFU8diu2EoD94jxParYcbZ5mnFh\"\u003e•Low drift during long-term operation\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Mr3wdSdpXoxPkBx2eOeckt2Inrg\"\u003e•Far superior to Ag\/AgCl in high-pH environments\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-OSFRdWUF3ouzBExHXipcItjinQb\"\u003eReference potential (typical): \u003cstrong\u003e+0.098 V vs. NHE in 1 M KOH (25°C)\u003c\/strong\u003e \u003cem\u003e(Adjustable based on internal KOH concentration)\u003c\/em\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-HIQEdyGS8on4nFxpwGHccMUrn5e\"\u003e\u003cstrong\u003e• High Borosilicate Glass Construction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-PAtedV1QKop5BwxNByYcFFmbnkd\"\u003eAll FrankLab glass electrodes use \u003cstrong\u003epremium high borosilicate glass\u003c\/strong\u003e, ensuring:\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Cog2dUDtYopCr5xTrjxcyz9inbc\"\u003e•Excellent resistance to strong alkaline solutions\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-PXSFd1jxdoiJvtxAI6rcjHJbn7g\"\u003e•High thermal shock tolerance\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-RVD0dPSfIo0Bvnxi52Bcr2PGnBf\"\u003e•Smooth internal surfaces for minimal contamination\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Vdh6doPWgoy0mUxt3VEcUdhanPe\"\u003e•Long structural life in demanding electrochemical conditions\u003c\/div\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-DzxXd2EcEoCnemxSCTJcptUAn1b\"\u003e\u003cstrong\u003e• Low-Drift, Low-Noise Potential\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-EDzJdFDBWo9rIGx3RaAc5vGPnGf\"\u003eThe Hg\/HgO redox couple is one of the most stable reference systems for alkaline conditions:\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-E5hkdwJhzoqBM3xjG8FcndsLnEe\"\u003e•Reliable for multi-hour and multi-day CA\/CP\/EIS\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-GXiad8YAdo4RsbxzlqBcmNaWnIb\"\u003e•Reproducible data across repeated cycles\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-EAy7d1hImoVlV8xcOLBcckR6nKe\"\u003e•Ideal for kinetics and mechanistic research\u003c\/div\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-EDH8dfOrpojG7Cx1OkvckWFbnIf\"\u003e\u003cstrong\u003e• Compatible with a Wide Range of Alkaline Systems\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-O5jxdBZRLoy12Jxh0cIc8eLUnbg\"\u003ePerfect for:\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-C8LOdwMUtoXev5xlqOqckI7QnNc\"\u003e\u003cstrong\u003e•OER\/HER electrocatalysis\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-NtOCdAzjjo64kgxdGlecoUKhnCd\"\u003e\n\u003cstrong\u003e•Nickel, \u003c\/strong\u003e\u003cstrong\u003ecobalt\u003c\/strong\u003e\u003cstrong\u003e, iron oxide\/hydroxide catalysts\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-IrrbdPOyxosprsx7fitcavaNnfb\"\u003e\u003cstrong\u003e•Zinc–air and alkaline rechargeable batteries\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-GIL0diogIoD8jHxOyNKci9B1nLg\"\u003e\u003cstrong\u003e•Alkaline polymer electrolyte fuel cells\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-MR1pdKlmoo4G1sx3lePcq2Z0n2H\"\u003e\u003cstrong\u003e•Transition-metal electrochemistry\u003c\/strong\u003e\u003c\/div\u003e\n\u003ch1 class=\"heading-1 ace-line old-record-id-L1eMdZpgDojDK2xXgAscLfv7n2f\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv class=\"old-record-id-R4P8dY3v0o3dbWxxJYbcMBqynyb\" data-type=\"sheet\"\u003e\n\u003cmeta content=\"text\/html; charset=utf-8\" http-equiv=\"Content-Type\"\u003e\n\u003ctable\u003e\n\u003ccolgroup\u003e \u003ccol width=\"196\"\u003e \u003ccol width=\"335\"\u003e \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\u003eType\u003c\/td\u003e\n\u003ctd\u003eHg\/HgO Alkaline Reference Electrode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eReference System\u003c\/td\u003e\n\u003ctd\u003eHg\/HgO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eInternal Electrolyte\u003c\/td\u003e\n\u003ctd\u003eKOH (customizable concentrations)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eReference Potential\u003c\/td\u003e\n\u003ctd\u003e+0.098 V vs. NHE (1 M KOH, 25°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eHigh Borosilicate 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\u003c\/td\u003e\n\u003ctd\u003eCeramic or PTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e65–120 mm\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\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e0–50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eStorage Solution\u003c\/td\u003e\n\u003ctd\u003eKOH solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eLifetime\u003c\/td\u003e\n\u003ctd\u003e6–12 months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch1 class=\"heading-1 ace-line old-record-id-IvtfdBoPQoybOCxyLzCcB3IynXb\"\u003e\u003cstrong\u003eRecommended Applications\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-FgsldKzdDoKqFtxuXUscZDNinvb\"\u003e•Oxygen evolution reaction (OER)\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-SSV7dXI5kofQ8xxDv7IcKtcznhd\"\u003e•Hydrogen evolution reaction (HER)\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-WUCLde4PooM1kMxRrTTcm2aMnZS\"\u003e•Nickel\/iron\/cobalt-based catalyst evaluation\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-OZw0dqQzWogFW3xQat2c1C6OnGg\"\u003e•Zn–air batteries, alkaline electrolyzers\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-RnxAdqDa4o8WcRxJpZ6cJlpJnAe\"\u003e•Alkaline ORR and redox chemistry\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-N4JDdyIVHoR2EgxRvwdc5wLin9f\"\u003e•Long-term electrochemical stability testing\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-NE5KdMigmoPCB4xbEaRcP0zlnPg\"\u003eThe Hg\/HgO electrode is widely regarded as the \u003cstrong\u003egold standard reference\u003c\/strong\u003e for alkaline media.\u003c\/div\u003e\n\u003ch1 class=\"heading-1 ace-line old-record-id-Q2uldMTbVopWCExlAR8cHR9pnuf\"\u003e\u003cstrong\u003eCustomization Available (Fully Customizable by FrankLab)\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-X8lxdYDNdoHY8wxeAWrcJMrgnqh\"\u003eFrankLab can customize all dimensions and chemical configurations to suit advanced experimental setups.\u003c\/div\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-XtpJdr0EloDXi4xFqLGcJL9AnBe\"\u003e\u003cstrong\u003eCustomizable Options\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-WkL5dbkEHobvDxx4ubRc5qAEnwb\"\u003e•Electrode length \u0026amp; diameter\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Nhh2dXRXeogtInxtgbQcL0rrn4f\"\u003e•Junction type (ceramic, PTFE, ultra-low-leakage)\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-MhONduq5XoLy0SxCnOGccmUrn4d\"\u003e•Internal KOH concentration (0.1 M, 1 M, 3 M, 6 M, or custom)\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Pnr3dqC6coP2VlxBT7IcclRtnDd\"\u003e•Body angle (straight, 30–120° bent for compact reactors)\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-KWq5d7GGEoY8vSxQzGcc7YOJngf\"\u003e•Microcell\/narrow-tip versions\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-KVmcd3y15oMp8sx30ukcQBkXnMd\"\u003e•Special caps or adapters for PEC cells, flow cells, H-type reactors\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-NLwRdQm7VoQq2GxiOuycOiYNnAb\"\u003e•Salt-bridge compatibility\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-QkIldSUMuo5mRNxmsbpcXRxfnse\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-JUOSdSpkmonWvCxdE3Jc8DMVnNf\"\u003eFrankLab returns a recommended design + quotation \u003cstrong\u003ewithin 24 hours\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-docx-has-block-data=\"false\" data-lark-html-role=\"root\" data-page-id=\"TW0pd4slhoyp6ix8rcZc7PeEn2i\"\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-DkZ2dEtKSorV2zxPaU8c3TIgnJd\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-DkZ2dEtKSorV2zxPaU8c3TIgnJd\"\u003e\u003cstrong\u003eFor Custom Orders or Inquiries\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-PPzHdDqYaoIFPlxHlBvcE2rgnob\"\u003eIf you have custom requirements or any additional questions, feel free to contact us:\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-YLowdrrrhoZQUmxfdyqcIJGqnFb\"\u003e\n\u003cstrong\u003eEmail\u003c\/strong\u003e: support@franklab.shop\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-ZvCld6xlSovvOSxfG2ec3FG7nCc\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-WXfudbyIhopfzixbssqc45apnze\"\u003e\u003cstrong\u003eWhy Choose FrankLab?\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Xp9Fd61dwob2FMxQNKOc3l3OnSd\"\u003eFrankLab Focused on \u003cstrong\u003eelectrochemical \u0026amp; research materials\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-MuWCdQETjofFkUx8a6pc8rtyneb\"\u003e•Stable quality for repeatable experiments\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-FytTdu9usovBnyxdY5Hcx8yUnVY\"\u003e•Flexible customization capability\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-VuTDdV9g8oGKypxPPTNcu9z1n7g\"\u003e•Trusted by universities, institutes, and industrial R\u0026amp;D labs\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e","brand":"Franklab","offers":[{"title":"Ø6mm*65mm","offer_id":44624576938018,"sku":null,"price":665.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/7008\/4386\/files\/eb5e8349058e3ea76e6701903c3100fd_5f7188d7-3555-4cdd-b958-9d933a1e6661.jpg?v=1765350485","url":"https:\/\/franklab.shop\/products\/hg-hgo-reference-electrode-alkaline","provider":"Franklab","version":"1.0","type":"link"}