{"product_id":"grade-4-qualitative-filter-paper-standard-grade-circle-4-7cm","title":"Whatman™ Grade 4 Qualitative Filter Paper, Standard Whatman™ Grade, circle, 4.7cm","description":"\u003cp\u003eWhatman Grade  4 Qualitative Filter Papers\u003cbr\u003e\r\n\u003cbr\u003e\r\nWhatman Grade 4 Qualitative Filter Papers are standard grade high flow rate cellulose filter papers for fast filtration.\u003cbr\u003e\r\n\u003cbr\u003e\r\nOverview\u003cbr\u003e\r\nWhatman Grade 4 Qualitative Filter Papers are a standard grade, high flow rate filter paper. They are useful in qualitative analytical separations when fast flow is required and the collection of fine particles is not critical.\u003cbr\u003e\r\n\u003cbr\u003e\r\nThese cellulose filters are used in qualitative analytical techniques to determine and identify materials (e.g., in air pollution monitoring).\u003cbr\u003e\r\n\u003cbr\u003e\r\nExtremely high flow rate:\u003cbr\u003e\r\n•Excellent retention: captures coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide\u003cbr\u003e\r\n•Fast filtration: useful for routine clean-up of biological fluids or organic extracts during analysis\u003cbr\u003e\r\n\u003cbr\u003e\r\n**IMAGE is a sample only**\u003c\/p\u003e","brand":"Whatman","offers":[{"title":"Default Title","offer_id":53657892454691,"sku":"WHAT1004-047","price":12.5,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/5896\/9012\/files\/1004.jpg?v=1782860457","url":"https:\/\/onelab.co.nz\/products\/grade-4-qualitative-filter-paper-standard-grade-circle-4-7cm","provider":"Onelab","version":"1.0","type":"link"}