{"product_id":"whatman-quantitative-filter-paper-hardened-low-ash-grade-50","title":"Whatman Quantitative Filter Paper, Hardened Low Ash, Grade 50","description":"\u003cdiv\u003e\n\u003cp\u003eWhatman Grade 50 quantitative hardened low ash filter paper is highly glazed to enable recrystallization of very fine precipitates using Büchner funnel or Hirsch funnel filtration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp\u003eThis hard, very thin, high wet-strength Grade 50 quantitative filter paper withstands wet handling and precipitate removal by scraping. With very minimal fiber shedding, they are an especially good choice for use as carriers in integrated circuits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"-spacing--bottom-24\"\u003e\n\u003ch2\u003eSlow filtration for strong retention of very fine particles\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThinner filter design (average thickness 115 µm) than most Büchner filter papers\u003c\/li\u003e\n\u003cli\u003eNominal particle retention of 2.7 µm\u003c\/li\u003e\n\u003cli\u003eSlow flow rates (Herzberg filtration speed 2685 s)\u003c\/li\u003e\n\u003cli\u003eHigh purity and low ash content (0.015% ash maximum)\u003c\/li\u003e\n\u003cli\u003eAcid-treated for high wet-strength and chemical resistance\u003c\/li\u003e\n\u003cli\u003eHardened to minimize fiber shredding\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhatman low ash hardened filter paper for quantitative analysis is available in three grades. All three are designed for use in gravity and vacuum suction filtration in Buchner and Hirsch funnels. Grade 50 is also available in Smear Tab format for wipe testing, such as surface testing for radionuclide contamination.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"DSCBalances","offers":[{"title":"1450-042","offer_id":36822601564310,"sku":"1450-042","price":27.47,"currency_code":"USD","in_stock":true},{"title":"1450-055","offer_id":36822606381206,"sku":"1450-055","price":32.37,"currency_code":"USD","in_stock":true},{"title":"1450-063","offer_id":39523910680726,"sku":"1450-063","price":35.08,"currency_code":"USD","in_stock":true},{"title":"1450-070","offer_id":36822606676118,"sku":"1450-070","price":37.15,"currency_code":"USD","in_stock":true},{"title":"1450-090","offer_id":36822606774422,"sku":"1450-090","price":48.56,"currency_code":"USD","in_stock":true},{"title":"1450-110","offer_id":36822602547350,"sku":"1450-110","price":63.12,"currency_code":"USD","in_stock":true},{"title":"1450-125","offer_id":36822603235478,"sku":"1450-125","price":72.81,"currency_code":"USD","in_stock":true},{"title":"1450-150","offer_id":36822603890838,"sku":"1450-150","price":85.75,"currency_code":"USD","in_stock":true},{"title":"1450-185","offer_id":36822604152982,"sku":"1450-185","price":106.66,"currency_code":"USD","in_stock":true},{"title":"1450-240","offer_id":36822604284054,"sku":"1450-240","price":189.29,"currency_code":"USD","in_stock":true},{"title":"1450-320","offer_id":36822604447894,"sku":"1450-320","price":343.41,"currency_code":"USD","in_stock":true},{"title":"1450-500","offer_id":36822605693078,"sku":"1450-500","price":694.94,"currency_code":"USD","in_stock":true},{"title":"1450-916","offer_id":36825864994966,"sku":"1450-916","price":210.92,"currency_code":"USD","in_stock":true},{"title":"1450-917","offer_id":36822602055830,"sku":"1450-917","price":575.05,"currency_code":"USD","in_stock":true},{"title":"1450-993","offer_id":36823055728790,"sku":"1450-993","price":32.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0489\/6990\/8374\/files\/digi-28428-original-png.jpg?v=1792610948","url":"https:\/\/www.dscbalances.com\/products\/whatman-quantitative-filter-paper-hardened-low-ash-grade-50","provider":"DSCBalances","version":"1.0","type":"link"}