{"product_id":"whatman-quantitative-filter-papers-hardened-low-ash-grade-52-1452-150","title":"Whatman™ Quantitative Filter Papers, Hardened Low Ash, Grade 52","description":"\u003cp\u003eCytiva's Whatman Grade 52 is a general-purpose filter paper for quantitative analysis in Büchner funnel and other vacuum filtrations. The acid-hardened surface and low ash content enable efficient precipitate recovery.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eManufactured from high-quality cotton linters and treated to remove trace metals\u003c\/li\u003e\n\u003cli\u003eHigh wet-strength and chemical resistance\u003c\/li\u003e\n\u003cli\u003eNominal particle retention of 7 µm\u003c\/li\u003e\n\u003cli\u003eMedium flow rate (Herzberg filtration speed 235 s)\u003c\/li\u003e\n\u003cli\u003eHigh purity (0.015% ash maximum)\u003c\/li\u003e\n\u003cli\u003eCompatible with Hirsch or Büchner funnel applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCytiva's business offers three grades of \u003ca href=\"http:\/\/www.gelifesciences.com\/webapp\/wcs\/stores\/servlet\/catalog\/en\/GELifeSciences-\/products\/AlternativeProductStructure_16164\"\u003ehardened low ash filter paper\u003c\/a\u003e. All three are designed for use in Hirsch and Büchner funnel applications and can be customized for an exact fit.\u003c\/p\u003e\u003cp\u003eBüchner funnel vacuum filtration\u003c\/p\u003e\u003cp\u003eThe quality of analysis resulting from vacuum filtration using a Hirsch or Büchner funnel relies on using a high-quality filter that avoids introducing artifacts into measurement. Cytiva's Grade 52 hardened filter paper is acid-treated to prevent fiber shredding during vacuum filtration or precipitate collection.\u003c\/p\u003e\u003cp\u003eLooking for a filter paper, membrane filter, or syringe filter? Let Cytiva help you \u003ca href=\"\/solutions\/lab-filtration\"\u003efind the optimal filter\u003c\/a\u003e for your needs to ensure reliable analysis.\u003c\/p\u003e","brand":"Cytiva","offers":[{"title":"90 mm","offer_id":45982254465103,"sku":"1452-090","price":271.0,"currency_code":"ILS","in_stock":true},{"title":"110 mm","offer_id":45982254497871,"sku":"1452-110","price":332.0,"currency_code":"ILS","in_stock":true},{"title":"125 mm","offer_id":45982254530639,"sku":"1452-125","price":382.0,"currency_code":"ILS","in_stock":true},{"title":"150 mm","offer_id":45982254563407,"sku":"1452-150","price":449.0,"currency_code":"ILS","in_stock":true},{"title":"240 mm","offer_id":45982254596175,"sku":"1452-240","price":985.0,"currency_code":"ILS","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/0748\/5519\/files\/digi-4537-original-png_4c5f8115-6605-446d-a018-05dadbf35ca1.png?v=1785959467","url":"https:\/\/www.danyel.co.il\/products\/whatman-quantitative-filter-papers-hardened-low-ash-grade-52-1452-150","provider":"danyel biotech","version":"1.0","type":"link"}