{"product_id":"qualitative-filter-paper-grade-642-15-cm-2-0-micron-100-pk-6420-1500","title":"Qualitative Filter Paper, Grade 642, 15 cm, 2.0 micron, 100\/PK, Ahlstrom, 6420-1500","description":"\u003cp\u003e\u003cstrong\u003eAhlstrom® Qualitative Filter Paper, Grade 642, 15 cm, 2.0 micron, 100\/PK, 6420-1500\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2 ?m, Medium Speed\u003c\/li\u003e\n\u003cli\u003eHas finer particle retention than Grade 601 but with slightly lower filtration speed\u003c\/li\u003e\n\u003cli\u003eHigher absorption than Grade 601\u003c\/li\u003e\n\u003cli\u003eUsed in general laboratory applications to retain particles above 2 ?m in size\u003c\/li\u003e\n\u003cli\u003eAlso found in agricultural and environmental laboratories for plant growth trials, soil testing, and air analysis for monitoring specific contaminants and in filtration of organic and sulfide precipitates.\u003c\/li\u003e\n\u003cli\u003eNon wet-strengthened\u003c\/li\u003e\n\u003cli\u003eSuitable for quadrant folded or gravity flow applications\u003c\/li\u003e\n\u003cli\u003eEquivalent to Whatman® Grade 2\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ahlstrom","offers":[{"title":"PK (1)","offer_id":51110946275643,"sku":"90-7481-07-PK","price":20.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/90-7481-07.png?v=1784777670","url":"https:\/\/preiser.com\/products\/qualitative-filter-paper-grade-642-15-cm-2-0-micron-100-pk-6420-1500","provider":"Preiser Scientific","version":"1.0","type":"link"}