{"product_id":"whatman-mixed-cellulose-ester-membrane-filters-membrane-circle-me28-1-2um-25mm-100pk-10400806","title":"Whatman Mixed Cellulose Ester Membrane Filters - MEMBRANE, CIRCLE, ME28 1.2UM 25MM 100\/PK - 10400806","description":"\u003ch6\u003eThis item may require 5-7 days to ship out from our facility.\u003c\/h6\u003e\u003cp\u003e\u003cstrong\u003eProduct Information: \u003c\/strong\u003eMEMBRANE, CIRCLE, ME28 1.2UM 25MM 100\/PK\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part # \u003c\/strong\u003e10400806\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\u003cdiv class=\"medMoreSKUDescText\" id=\"skuDescId\"\u003e \u003cul\u003e\n\u003cli\u003eMixed Cellulose Ester Circle ME Range\u003c\/li\u003e\n\u003cli\u003eME 27- 0.8 UM pore size\u003c\/li\u003e\n\u003cli\u003eME 28- 1.2 UM pore size\u003c\/li\u003e\n\u003cli\u003eME 29- 3.0 UM pore size\u003c\/li\u003e\n\u003cli\u003eSterile options available for critical applications\u003c\/li\u003e\n\u003cli\u003eExcellent contrast for easier particle detection\u003c\/li\u003e\n\u003cli\u003eGrids are nontoxic and do not inhibit bacterial growth, ensuring sample integrity\u003c\/li\u003e\n\u003cli\u003eBlack plain and black gridded membranes have a mix of cellulose nitrate and cellulose acetate\u003c\/li\u003e\n\u003cli\u003eThe membrane offers a high degree of internal surface area for greater adsorption of product\u003c\/li\u003e\n\u003cli\u003eHigher dirt loading capacity\u003c\/li\u003e\n\u003cli\u003eBiologically inert with good thermal stability\u003c\/li\u003e\n\u003cli\u003eNo surfactants to contaminate samples\u003c\/li\u003e\n\u003cli\u003eUniform microporous structure of membrane gives high flow rates\u003c\/li\u003e\n\u003cli\u003eWhatman mixed cellulose ester membranes are composed of cellulose acetate and cellulose nitrate\u003c\/li\u003e\n\u003cli\u003eThese membranes are characterized by a smoother and more uniform surface than pure nitrocellulose filters\u003c\/li\u003e\n\u003cli\u003eAlso, the color contrast provided by the filter surface facilitates particle detection and minimizes eye fatigue\u003c\/li\u003e\n\u003cli\u003eThe ME range has a lower cellulose acetate content compared to the WME range of membranes\u003c\/li\u003e\n\u003cli\u003eEased counting process:\u003c\/li\u003e\n\u003cli\u003eIn microbiological colony counting procedures, the color contrast between the surface and the colonies facilitates the counting process\u003c\/li\u003e\n\u003cli\u003ePlain or gridded:\u003c\/li\u003e\n\u003cli\u003eMany microbiological techniques include colony counting after incubation as the standard method of quantitation\u003c\/li\u003e\n\u003cli\u003eWhatman gridded filters have clearly defined grid lines spaced at 3.1 mm or 5 mm intervals\u003c\/li\u003e\n\u003cli\u003eThe special ink used is nontoxic and completely free from bacterial growth inhibitors\u003c\/li\u003e\n\u003cli\u003eWhatman black mixed cellulose esters are available plain for automatic colony counting applications, as well as gridded to assist in manual counting procedures\u003c\/li\u003e\n\u003cli\u003eBlack membranes provide contrast between residue or cell colors and the filter without having to counter-stain the membrane\u003c\/li\u003e\n\u003cli\u003eSterile filters:\u003c\/li\u003e\n\u003cli\u003eFor those laboratories preferring to use membranes sterilized by autoclaving for microbiological work, Whatman provides black gridded membranes in packs with pads ready for laboratory autoclaving\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003ctable id=\"medSkuSpecTable\" class=\"medSKUTableDetails table-striped\" width=\"100%\"\u003e \u003ctr\u003e \u003ctd class=\"\"\u003eHPIS Code\u003c\/td\u003e \u003ctd\u003e 220_40_140_0\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"\"\u003eLatex Free\u003c\/td\u003e \u003ctd\u003e No\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd class=\"\"\u003eUNSPSC\u003c\/td\u003e \u003ctd\u003e 41104921\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e","brand":"Whatman","offers":[{"title":"100 Each \/ Pack","offer_id":31858912493625,"sku":"10400806","price":252.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0007\/0510\/1881\/products\/GEH10400806_PRI01.jpg?v=1597370014","url":"https:\/\/www.graylinemedical.com\/products\/whatman-mixed-cellulose-ester-membrane-filters-membrane-circle-me28-1-2um-25mm-100pk-10400806","provider":"Grayline Medical","version":"1.0","type":"link"}