Whatman Grade No. 1 Chr Thin Chromatography Paper Cellulose Whatman Sheets cm x cm. 1 Chr Thin Chromatography Paper Cellulose 3001-861 is most suitable for applications requiring extremely thin layers. The combination of extremely soft and flexible Whatman Grade No. 1 Chro Thin Chromatography Cellulose Paper with exceptional sensitivity and selectivity makes it the choice for preparative thin layer chromatography work. Whatman Grade No. 1 Chr. Paper is suitable for benchtop Whatman paper makers preferably equipped with a cleanroom. The paper is extruded from a sheet of cartridge paper and is sturdily welded. After sizing the product forms a slight brown color. The characteristic band pattern obtained with gravity separation on Whatman Grade No. 1 Chro Thin Chromatography Paper exhibits a slight purplish color. This phenomenon usually indicates that a compound other than the one tested is present in the test solution or sample. Whatman Grade No. 1 Chro Thin Chromatography Paper is suitable for preparative thin layer chromatography separation of colorless to colorless liquids. Specifications for Whatman Grade No. 1 Chr Thin Chromatography Paper Cellulose Whatman 3001-861 Sheets (cm x cm) : Size: 20 x 20 Whatman No.: 3001-861 Unit: Pack of 100 Flow Rate: 130mm/30 min. (water) Paper Thickness: 0.18mm (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 Chromatography with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for Whatman Chromatography. 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. 1 Chr Thin Chromatography Paper Cellulose Whatman Sheets (cm x cm) 3001-861/ 21427-003 we carry a full complement of Chromatography 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 Chromatography please visit our Whatman page. For more brand name Chromatography please visit our Chromatography 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. 1 Chr Thin Chromatography Paper Cellulose Whatman 3001-861 Sheets (cm x cm)