Whatman Grade No. 541 Quantitative Filter Paper Ashless Whatman. 541 Quantitative Filter Paper Ashless Whatman is a reliable and dependable addition to the Whatman Filters family of products. Combining top-notch and uncompromising quality with an affordable price the Whatman Grade No. 541 Quantitative Filter Paper Ashless Whatman 1541-185/ 28479-129 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: Hardened ashless paper for fast filtration of gelatinous precipitates and coarse particles from alkaline/acid solutions during gravimetric analysis. Applications include: fiber in animal foodstuffs gelatin in milk and cream chloride in cement and chloride and phosphorous in coal and coke. High wet-strength highest purity. Specifications for Whatman Grade No. 541 Quantitative Filter Paper Ashless Whatman 1541-185 : Size cm: 18.5 dia. Whatman No.: 1541-185 Unit: Pack of 100 Porosity: Coarse Flow Rate: Fast Particle Retention: 20 25 m (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Whatman products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Filters with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for Whatman Filters. We are an authorized supplier to all federal and state government agencies as well as to research and educational institutions and can facilitate volume orders on many types of laboratory equipment lab consumables and other products to help fulfill your specific needs. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over 49. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses. In addition to the Whatman Grade No. 541 Quantitative Filter Paper Ashless Whatman 1541-185/ 28479-129 we carry a full complement of Filters as well as other product offerings from Whatman. We also carry a full line of Whatman accessories to help meet your laboratory and scientific needs. For a complete selection of Whatman Filters please visit our Whatman page. For more brand name Filters please visit our Filters store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. Whatman Grade No. 541 Quantitative Filter Paper Ashless Whatman 1541-185