{"product_id":"formaldeide-al-4-p-v-formalina-tamponata-al-10-v-v-5-litri","title":"4% formaldehyde (w\/v) 10% buffered formalin (v\/v) 5 liters","description":"\u003cp\u003e\u003cstrong\u003e4% formaldehyde\u003c\/strong\u003e, commonly known as \u003cstrong\u003e10% formalin\u003c\/strong\u003e, is an essential fixative in the field of \u003cstrong\u003ehistopathology\u003c\/strong\u003e. This product is fundamental for the preservation and analysis of biological samples, thanks to its ability to inactivate autolytic enzymes and the bacteria responsible for tissue putrefaction. Formaldehyde provides structural stability to the chemical components of the protoplasm, ensuring reliable results in histological analyses.\u003c\/p\u003e\u003ch2\u003eMain Features\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003ePrimary Non-Coagulant Fixative:\u003c\/strong\u003e 4% formaldehyde hardens protein gels without separating water from proteins, preserving cellular structure.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eRapid Penetration:\u003c\/strong\u003e Thanks to its low oxidation potential, formaldehyde penetrates tissues quickly, ensuring gradual and uniform hardening.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eFixation Ratio:\u003c\/strong\u003e The ideal volumetric ratio between the tissue to be fixed and the fixation liquid is about 1:20, to ensure effective fixation.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eCustomizable Fixation Time:\u003c\/strong\u003e The time required for fixation must be assessed by the operator based on the volume and type of sample, thus ensuring optimal results.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eProduct Composition\u003c\/h2\u003e\u003cp\u003e4% formaldehyde is composed of:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eFormaldehyde (3.80% ÷ 4.40%)\u003c\/li\u003e\u003cli\u003eMethanol \u003c 0.1%\u003c\/li\u003e\u003cli\u003eDisodium phosphate\u003c\/li\u003e\u003cli\u003eMonosodium phosphate\u003c\/li\u003e\u003cli\u003eDeionized water\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eThe buffer molarity is 75 millimoles\/liter, with a pH of 7 ± 0.1, thus ensuring a stable environment for sample fixation.\u003c\/p\u003e\u003ch2\u003eApplications of 4% Formaldehyde\u003c\/h2\u003e\u003cp\u003eThis fixative is widely used in various fields, including:\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eHistology Laboratories:\u003c\/strong\u003e For preparing samples for microscopic analysis.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eBiomedical Research:\u003c\/strong\u003e In the preservation of tissues and cells for scientific studies.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eMedical Diagnostics:\u003c\/strong\u003e In the preparation of samples for pathological diagnoses.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWarnings and Safety\u003c\/h2\u003e\u003cp\u003eIt is important to handle formaldehyde with caution, following appropriate safety guidelines. Be sure to use personal protective equipment (PPE) and work in a well-ventilated area to minimize exposure.\u003c\/p\u003e\u003cp\u003eChoose \u003cstrong\u003e4% formaldehyde\u003c\/strong\u003e to ensure high-quality results in your histological analyses and effective preservation of biological samples.\u003c\/p\u003e","brand":"KALTEK","offers":[{"title":"Default Title","offer_id":57603125805438,"sku":"1614","price":19.09,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/4873\/4846\/files\/1614_--_000_36227.jpg?v=1782252395","url":"https:\/\/www.securlab.it\/en\/products\/4-formaldehyde-w-v-10-buffered-formalin-v-v-5-liters","provider":"Securlab","version":"1.0","type":"link"}