{"product_id":"whatman-grade-541-quantitative-ashless-filter-paper-coarse-precipitates-retained-9-cm","title":"Whatman Grade 541 Quantitative Ashless Filter Paper, Coarse Precipitates Retained, 9 cm","description":"\u003cp\u003eGrade 541 Ashless Fast Filter Paper, 90 mm circles\u003c\/p\u003e\n\u003cp id=\"overview\" class=\"lead-paragraph\"\u003eCytiva's Whatman Grade 541 acid hardened cellulose filter paper features high wet-strength, high chemical resistance, and a large nominal particle retention for fast analytical filtration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh wet-strength\u003c\/li\u003e\n\u003cli\u003eHigh chemical resistance to strong acid and alkali suspensions\u003c\/li\u003e\n\u003cli\u003eRetention of gelatinous precipitate\u003c\/li\u003e\n\u003cli\u003e22 µm nominal particle retention rating\u003c\/li\u003e\n\u003cli\u003eFast flow rate (Herzberg filtration speed 34 s)\u003c\/li\u003e\n\u003cli\u003eMaximum of 0.006% ash concentration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"rte-wrapper\"\u003e\n\u003cp\u003eAlong with fast Grade 541 filter paper, the hardened, ashless range from Cytiva's business includes general-purpose Grade 540 and Grade 542 for fine particle retention. All three paper grades are appropriate for use in gravimetric analysis with strong acids and alkali samples.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Cytiva","offers":[{"title":"PK (1)","offer_id":51110955024699,"sku":"90-7507-04-PK","price":76.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/90-7507-04.png?v=1784705420","url":"https:\/\/preiser.com\/products\/whatman-grade-541-quantitative-ashless-filter-paper-coarse-precipitates-retained-9-cm","provider":"Preiser Scientific","version":"1.0","type":"link"}