{"product_id":"fluoride-half-cell-ion-selective-electrode-ise-hanna-instruments-fc301b","title":"Fluoride Half-Cell Ion Selective Electrode (ISE), Hanna Instruments, FC301B","description":"\u003cp\u003e\u003cstrong\u003eHanna Instruments® Fluoride Half-Cell Ion Selective Electrode (ISE), FC301B \u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:  \u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSolid state sensor for determination of fluoride in water\u003c\/li\u003e\n\u003cli\u003eDetection from 0.02 mg\/L to saturated F-\u003c\/li\u003e\n\u003cli\u003eFor use with \u003cspan\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: #0000ff; text-decoration: underline;\"\u003e92-2801-33\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e (Hanna's HI5315) reference half-cell to complete the measurement system\u003c\/li\u003e\n\u003cli\u003ePotentiometric half-cell housed within epoxy body\u003c\/li\u003e\n\u003cli\u003eInternal elements are isolated from sample by lanthanum fluoride crystal membrane\u003c\/li\u003e\n\u003cli\u003eReference half-cell features cone style junction\u003c\/li\u003e\n\u003cli\u003eSkirted cone geometry of reference forms liquid junction with test solution at tip of junction cone, producing highly stable reference potential and consistent flow rates of electrolyte into solution\u003c\/li\u003e\n\u003cli\u003eSimply press of top portion of ISE for easy to empty electrolyte fill solution and replace when necessary\u003c\/li\u003e\n\u003cli\u003eFor accurate measurement of total fluoride concentration, it is important that pH and ionic strength of standards and sample be adjusted to constant value\u003c\/li\u003e\n\u003cli\u003eTotal ionic strength adjustment buffer (TISAB) ensures that solution pH is between pH 5 and 8 and that activity coefficient is constant\u003c\/li\u003e\n\u003cli\u003eTISAB solution also preferentially complexes with various metal ions, such as aluminum and iron, which tend to form complexes with fluoride ions, thus ensuring that these metal ions do not interfere, permitting accurate total fluoride measurement\u003c\/li\u003e\n\u003cli\u003eMeasuring all solutions with constant pH and ionic strength reduces margin of error between measurements\u003c\/li\u003e\n\u003cli\u003eFC301B fluoride solid state ISE can measure from 1µM (0.02 mg\/L) to saturated\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"EA (1)","offer_id":51111227097403,"sku":"92-2801-34-EA","price":699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/92-2801-34.png?v=1784712491","url":"https:\/\/preiser.com\/products\/fluoride-half-cell-ion-selective-electrode-ise-hanna-instruments-fc301b","provider":"Preiser Scientific","version":"1.0","type":"link"}