{"title":"Separatory Laboratory Funnels","description":"\u003ch2\u003eSeparatory Laboratory Funnels – Precision Liquid-Liquid Extraction Glassware\u003c\/h2\u003e\u003cp\u003eThe separatory funnel is one of the most fundamental tools in analytical and organic chemistry — and choosing the right one makes the difference between clean, efficient separations and frustrating leaks or contamination. Our Separatory Laboratory Funnels collection is dedicated to this essential piece of glassware, featuring large-capacity conical separatory funnels from Stonylab, engineered to the exacting standards that professional chemists and researchers demand. These are the best-buy separatory funnels for anyone who needs reliable, repeatable liquid-liquid extraction results.\u003c\/p\u003e\u003ch3\u003eThe Science of Separation – What Makes These Funnels Outstanding\u003c\/h3\u003e\u003cp\u003eSeparatory funnels work by exploiting the immiscibility of two liquid phases — allowing chemists to isolate target compounds, remove impurities, and purify solutions with precision. The quality of the funnel directly impacts the quality of the separation. Our Stonylab funnels are built to maximise separation efficiency through:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConical body geometry\u003c\/strong\u003e — the tapered conical shape creates a narrow interface zone between phases, making it easier to identify and precisely drain the lower layer without contamination from the upper phase\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBorosilicate glass (Type 3.3) construction\u003c\/strong\u003e — resistant to virtually all common laboratory solvents, acids, and alkalis, ensuring no leaching or reaction with your sample during extraction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePTFE stopcock\u003c\/strong\u003e — the polytetrafluoroethylene stopcock is chemically inert, requires no grease, and provides a consistently leak-free seal — eliminating the most common failure point of traditional glass-stopcock separatory funnels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3,000ml large capacity\u003c\/strong\u003e — accommodates substantial solvent volumes for preparative-scale extractions, multi-step purifications, and industrial research applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy These Are the Best Separatory Funnel Buys\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStonylab precision manufacturing\u003c\/strong\u003e — consistent wall thickness, accurate graduation markings, and tight tolerances for reproducible results\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrease-free PTFE stopcock\u003c\/strong\u003e — no contamination risk from stopcock grease migrating into your sample\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal shock resistance\u003c\/strong\u003e — borosilicate glass handles temperature changes without cracking, safe for use with heated or cooled solvents\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo variants available\u003c\/strong\u003e — choose the configuration that best suits your laboratory setup and workflow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutstanding value\u003c\/strong\u003e — professional-grade separatory funnels at prices that make them accessible for academic, industrial, and home laboratory use\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAchieve cleaner separations with glassware built for the task. Shop Separatory Laboratory Funnels at ALTOE for the best extraction glassware at the best prices available.\u003c\/p\u003e","products":[{"product_id":"stonylab-borosilicate-glass-3000ml-heavy-wall-conical-separatory-funnel-with-24-40-joints-and-ptfe-stopcock-3-l-3-liter","title":"StonyLab 3000ml Conical Separatory Funnel | Borosilicate Glass \u0026 PTFE","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eIf you are a cat lover who also happens to be a science enthusiast, you know that precision matters when managing your home lab experiments. This StonyLab 3000ml Conical Separatory Funnel is designed to make your chemical separation tasks as smooth and reliable as possible.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature:\u003c\/strong\u003e Borosilicate Glass construction – This high-quality material offers superior thermal shock resistance → \u003cstrong\u003eBenefit:\u003c\/strong\u003e You get a durable tool that withstands rigorous lab use without cracking under pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature:\u003c\/strong\u003e 3000ml Conical design – The specific shape is engineered for efficient liquid layering → \u003cstrong\u003eBenefit:\u003c\/strong\u003e You save time by achieving clean, distinct separation of liquids with different densities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature:\u003c\/strong\u003e PTFE stopcock – This inert material ensures a smooth, leak-free flow control → \u003cstrong\u003eBenefit:\u003c\/strong\u003e You maintain total control over your process, keeping your workspace clean and your samples secure.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUpgrade your laboratory setup with this reliable Separatory Funnel to ensure your experiments are always accurate and efficient.\u003c\/p\u003e","brand":"Jolof Store","offers":[{"title":"Default Title","offer_id":53470235623767,"sku":"B0DBKT699K","price":245.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1014\/0585\/1991\/files\/21abqujHV3L._SX38_SY50_CR_0_0_US1100.jpg?v=1777929256"},{"product_id":"stonylab-borosilicate-glass-3000-ml-heavy-wall-conical-separatory-funnel-with-24-29-joints-and-ptfe-stopcock-3000-ml","title":"Stonylab 3000ml Conical Separatory Funnel | Borosilicate Glass \u0026 PTFE","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eWhether you are a dedicated cat lover managing complex home chemistry projects or a professional researcher, this Stonylab 3000ml Conical Separatory Funnel is designed to streamline your workflow. 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