{"product_id":"polydisc-gw-filter-50-mm-nylon-with-quartz-fiber-prefilter-0-45-µm","title":"Polydisc GW Filter 50mm, nylon with quartz fiber prefilter, 0.45 µm","description":"\u003cp\u003eOverview\u003cbr\u003e\r\nWhatman™ Polydisc GW (ground water) in-line filter is specifically designed for preparation of ground water samples for dissolved metals analysis.\u003cbr\u003e\r\n\u003cbr\u003e\r\n•Hydrophilic, durable nylon membrane is compatible with aqueous samples\u003cbr\u003e\r\n•100% quartz fiber prefilter with low heavy metal content allows filtration of larger volumes of even heavily particle-laden samples\u003cbr\u003e\r\n•Certified low background metal values for heavy metal testing\u003cbr\u003e\r\n•Large 20.4 cm² filtration area\u003cbr\u003e\r\n•Tubing nozzle compatible with 6–14 mm i.d. hose\u003cbr\u003e\r\n\u003cbr\u003e\r\nPolydisc GW for ground water sampling\u003cbr\u003e\r\nWhatman™ Polydisc GW’s large filter surface, durable nylon Whatman™ membrane, and quartz fiber prefilter result in high dirt-loading capacity. The filter was designed in line with regulato ry requirements for groundwater testing found in US EPA Method 3005A.\u003cbr\u003e\r\n\u003cbr\u003e\r\nCertified for heavy metal analysis\u003cbr\u003e\r\nHeavy metal testing in ground water often requires an aqueous filter to reduce a sample’s turbidity, but results can be skewed if the filter itself contains heavy metals. Cytiva certifies each Polydisc GW batch for low background values for the determination of trace elements.\u003c\/p\u003e","brand":"Whatman","offers":[{"title":"Default Title","offer_id":53660021031203,"sku":"WHAT10463401","price":828.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/5896\/9012\/files\/10463401.jpg?v=1791508259","url":"https:\/\/onelab.co.nz\/products\/polydisc-gw-filter-50-mm-nylon-with-quartz-fiber-prefilter-0-45-%c2%b5m","provider":"Onelab","version":"1.0","type":"link"}