{"product_id":"mercury-sulfate-electrode-acidic","title":"Mercury Sulfate Electrode\/ Hg\/Hg₂SO₄, Acidic","description":"\u003cdiv data-page-id=\"BPEEd04zRoceQDxh5CgcLdYwnbe\" data-lark-html-role=\"root\" data-docx-has-block-data=\"true\"\u003e\n\u003ch1 class=\"heading-1 ace-line old-record-id-SwmlddYBpowPb1x8vCRcxRcLnad\"\u003e\u003cstrong\u003eMercury Sulfate Reference Electrode (Hg\/Hg₂SO₄) | FrankLab\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-NSqgdtQ93otpU9x6OYDcN6tRnzg\"\u003e\n\u003cstrong\u003eHigh-Stability, Chloride-Free Reference Electrode for Sensitive Aqueous Electrochemistry\u003c\/strong\u003e \u003cstrong\u003eHigh Borosilicate Glass Body + Full Customization Available\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003ch1 class=\"heading-1 ace-line old-record-id-MRM5dNWWroyHrqxxUmKcL2mcneb\"\u003e\n\u003cstrong\u003eMercury \u003c\/strong\u003e\u003cstrong\u003eSulfate\u003c\/strong\u003e\u003cstrong\u003e Electrode (Hg\/Hg₂SO₄) | FrankLab\u003c\/strong\u003e\n\u003c\/h1\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Zy0hdpw9SolMqUxQNcecarVvngc\"\u003eA chloride-free, highly stable aqueous reference electrode widely used in \u003cstrong\u003esulfate-containing electrolytes\u003c\/strong\u003e, acidic media, metal dissolution studies, corrosion testing, and environments where chloride contamination must be strictly avoided.\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-ZBowdmSMSoflnrxUKFXcRxHRnSh\"\u003eThe FrankLab Mercury Sulfate Electrode provides a \u003cstrong\u003ewell-defined reference potential\u003c\/strong\u003e, \u003cstrong\u003eexcellent long-term stability\u003c\/strong\u003e, and \u003cstrong\u003esuperior chemical \u003c\/strong\u003e\u003cstrong\u003ecompatibility\u003c\/strong\u003e, built with a durable \u003cstrong\u003ehigh borosilicate glass body\u003c\/strong\u003e and a corrosion-resistant PTFE head.\u003c\/div\u003e\n\u003ch1 class=\"heading-1 ace-line old-record-id-NASLdhtagoirDvxx0ZlcTv5mn5c\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-BOACd2phioKNgMxAt4gcQbNAnbf\"\u003e\u003cstrong\u003e• Chloride-Free Reference System\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-QFtHdESu0o1Xamxetr0clDfmn1c\"\u003eThe Hg\/Hg₂SO₄ redox couple does not involve chloride ions, making it ideal for systems where chloride must be avoided, such as:\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-M1cNdbWi6ou6IyxgTa0c4KN8nPf\"\u003e•Metal dissolution and deposition studies\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-R4RpdHEHVoiYXjxTKFqcrQiNnrb\"\u003e•Corrosion measurements in sulfate electrolytes\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-AK9qdhv3Gonvryx8APTc2sPHnsg\"\u003e•Acidic electrocatalysis\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-IOJvdsnq7oWXgExn0GPc48X1n8g\"\u003e•Battery or redox chemistry sensitive to chloride interference\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-DfTndTOUvoBKRBxQsFZcPf6hnOK\"\u003eReference potential (25°C): \u003cstrong\u003e+0.640 V vs. NHE (in saturated K₂SO₄)\u003c\/strong\u003e (FrankLab offers multiple concentration options.)\u003c\/div\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-NlxxdJw6ZoknIPx1cjRcnP1MnKg\"\u003e\u003cstrong\u003e• High Borosilicate Glass Construction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-YhAYdOGSSoZs3DxQvpWchfGgnwg\"\u003eAll FrankLab glass electrodes are made from \u003cstrong\u003epremium high borosilicate glass\u003c\/strong\u003e, offering:\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-O7MRdefHpoSEhrxSlrocCnPHnww\"\u003e•Excellent thermal shock resistance\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Lcn9dL4G2oOKNFxUYn1cbRzDnyd\"\u003e•Strong chemical durability in acidic sulfate solutions\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-WgQ4dlxawo1Jspxm1x3ctJP1nTd\"\u003e•Smooth, low-contamination surfaces\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-E1zMdmG0toiV32xUsEfcT47ynSh\"\u003e•Long-term structural stability for repeated laboratory use\u003c\/div\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-JZ0tddD6Uo142ZxvbT5cqmiLnBc\"\u003e\u003cstrong\u003e• Stable \u0026amp; Low-Drift Potential\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-UEuJdFY36oW7xmxJnuFcmn4kn2n\"\u003eThe mercury sulfate system exhibits:\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-JggRdH36zostFnxHmggclzhCnmb\"\u003e•Highly reproducible potential\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Yttdds4uUoZhr2x2ocGc44DUnCh\"\u003e•Low drift during long-term measurements\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-DqeJdyJ2So4o3rx6ZfScDv5Qn7g\"\u003e•Reliable baseline for CV, LSV, and EIS\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-U35LdtcSooUR8SxPKkVcI1YqnNe\"\u003eIdeal for \u003cstrong\u003ekinetic studies\u003c\/strong\u003e, \u003cstrong\u003emechanistic research\u003c\/strong\u003e, and \u003cstrong\u003emulti-hour corrosion tests\u003c\/strong\u003e.\u003c\/div\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-NW92dLy5DocLDHxTUR1cTe8jnmh\"\u003e\u003cstrong\u003e• Low Leakage Junction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-B7qEdTtP9oHBE1xmKujcwRVDnmf\"\u003eAvailable with ceramic or PTFE junctions:\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-YYgadn4Pzor4gsxkyKHcnBM1nAe\"\u003e•Minimal electrolyte contamination\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-FkardHVbAoOryjxDDUTcStxvnDf\"\u003e•Reduced junction potential\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-VatudR1cJoUWjYxPyHRcJEhUnId\"\u003e•Improved performance in low-ionic-strength sulfate systems\u003c\/div\u003e\n\u003ch1 class=\"heading-1 ace-line old-record-id-RDwJdrvjho2dgDxlOOvcY7FUn5c\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv data-type=\"sheet\" class=\"old-record-id-D6AIdEAiKoLxunxOY6TciJHPnsh\"\u003e\n\u003cmeta content=\"text\/html; charset=utf-8\" http-equiv=\"Content-Type\"\u003e\n\u003ctable\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"209\"\u003e\n\u003ccol width=\"361\"\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\u003eType\u003c\/td\u003e\n\u003ctd\u003eMercury Sulfate Reference Electrode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eReference System\u003c\/td\u003e\n\u003ctd\u003eHg\/Hg₂SO₄\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eInternal Electrolyte\u003c\/td\u003e\n\u003ctd\u003eK₂SO₄ (various concentrations available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eReference Potential\u003c\/td\u003e\n\u003ctd\u003e~ +0.640 V vs. NHE (sat. K₂SO₄, 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 (model dependent)\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\u003eK₂SO₄\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"27\"\u003e\n\u003ctd\u003eExpected Lifetime\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-UnGRdP6hcoL9fSxFIjtcupIXn5d\"\u003e\u003cstrong\u003eRecommended Applications\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-FKN5dj6HqoRmoZxO9pEcsnj6nDb\"\u003e•Corrosion and passivation studies\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-BcyUduoH3oQtKlxCvpoceOGdnZd\"\u003e•Sulfate-based electrolyte systems\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-XnjEdst9pobiNNx8SlXcadlen3e\"\u003e•Acidic electrocatalysis (HER, ORR, metal redox)\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-JCZ8dmpKeoxN9Fx9r5ecatnAnOh\"\u003e•Metal dissolution and deposition kinetics\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-DpKdd2eakoozk6xu0hNcSU2lnzh\"\u003e•Electrochemical analysis without chloride interference\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-SNFWdwlpNoo1F6xiEovcMJmhnmb\"\u003e•Environmental and geochemical research\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-UCdEdH7yFomWWcxEipDcnjAinlh\"\u003eThe Hg\/Hg₂SO₄ electrode is the \u003cstrong\u003epreferred reference\u003c\/strong\u003e when chloride must be excluded or carefully controlled.\u003c\/div\u003e\n\u003ch1 class=\"heading-1 ace-line old-record-id-JdeHdcLtWoi6f9xJvhMcrEUbnIb\"\u003e\u003cstrong\u003eCustomization Available (Fully Customizable by FrankLab)\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Ao0TdEVg9oMNQdxGQoncffwHnNh\"\u003eFrankLab supports full customization to match specialized research environments.\u003c\/div\u003e\n\u003ch3 class=\"heading-3 ace-line old-record-id-KDa0djhiEopk1Sx5ip2cWHTGnvf\"\u003e\u003cstrong\u003eCustomizable Options\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-FGQrdQp76oeEdYxGqdBcBz6lnec\"\u003e•Electrode length \u0026amp; diameter\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-RChPdARE0ol7Yqxkex9cdem0nMe\"\u003e•Junction material（ceramic \/ PTFE \/ ultra-low-leakage）\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Xc1ld21DtoJasex2JXmcRKVznDe\"\u003e•Internal K₂SO₄ concentration（saturated \/ 1 M \/ 0.5 M \/ custom）\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-WqAQdPqoFokGFgxSWLNcyKFUnjg\"\u003e•Intermediate chamber（for double-junction builds）\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-A3aSdaV38oVmCHxKi7ccIjKhngb\"\u003e•Bent or angled geometry（30°–120°）\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-JtQidHbULot0D3x5tG9cHzTmnlc\"\u003e•Narrow-tip or microcell-compatible designs\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-O9HMdggGKo6BDtxAQG1cUfWFnlT\"\u003e•Special adapters for H-type, PEC, flow cells, and sealed reactors\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-GQMBdhoQnobItsxomxacVzrFnVg\"\u003e•Salt-bridge compatible configurations\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-TWvJdsAgpoyphCxjsZwcAijbnpe\"\u003eFrankLab will deliver a recommended design + quotation \u003cstrong\u003ewithin 24 hours.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-NSbpdDWCMopO5sx2rWJcj9tQnMf\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-JvbFddX4soj79wxrThec5jEpnPh\"\u003e\u003cstrong\u003eFor Custom Orders or Inquiries\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-P97QdupZgomj88xSQJPcK36DnMh\"\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-Im9Fd7uKqor0JTx98SJcsNvineg\"\u003e\n\u003cstrong\u003eEmail\u003c\/strong\u003e: support@franklab.shop\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-HJGQdHQiAoc9V9xQeSpcGyfjnbf\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-E2lpdixqxoJ7h2xwe0xcafcDnsb\"\u003e\u003cstrong\u003eWhy Choose FrankLab?\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Y6ZPdLJSMoWpUgxmE7lcD1hInjd\"\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-RjYedhDJyo6azexe17EcRy1WnXg\"\u003e•Stable quality for repeatable experiments\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-G2qYd4pd3oyPcPxZachc1mALnNb\"\u003e•Flexible customization capability\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-HKfFd4A7uojBCPxmAWxc5mNqnNf\"\u003e•Trusted by universities, institutes, and industrial R\u0026amp;D labs\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Franklab","offers":[{"title":"Ø6mm*65mm","offer_id":44624513892386,"sku":null,"price":55.9,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/7008\/4386\/files\/Mercury-SulfateElectrode_Hg_Hg_SO_Acidic-1.png?v=1773996812","url":"https:\/\/franklab.shop\/products\/mercury-sulfate-electrode-acidic","provider":"Franklab","version":"1.0","type":"link"}