{"product_id":"whatman™-filter-paper-no-42-12-5-cm-125-mm","title":"WHATMAN™ Grade 42 Ashless Quantitative Filter Paper | 125 mm Diameter | 2.5 µm Particle Retention | 100 Circles | Cat. No. 1442-125","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWHATMAN™ Grade 42 Filter Paper\u003c\/strong\u003e is a premium-quality \u003cstrong\u003eashless quantitative filter paper\u003c\/strong\u003e designed for fine precipitates and analytical applications requiring high particle retention. With a diameter of \u003cstrong\u003e12.5 cm (125 mm)\u003c\/strong\u003e, this filter paper is widely used in chemical laboratories, research institutions, pharmaceutical testing, environmental analysis, and industrial quality-control applications.\u003c\/p\u003e\n\u003cp\u003eGrade 42 is known for its \u003cstrong\u003efine particle retention and slow filtration rate\u003c\/strong\u003e, making it suitable for the collection of very fine precipitates. Its high-purity cellulose construction and low ash content make it particularly suitable for \u003cstrong\u003equantitative and gravimetric analysis\u003c\/strong\u003e, where the filter paper may be ignited after filtration.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWHATMAN™ Grade 42\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-quality ashless quantitative filter paper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDiameter: \u003cstrong\u003e12.5 cm \/ 125 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCircular filter paper format\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFine particle retention\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSlow filtration speed for efficient collection of fine precipitates\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVery low ash content\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-purity cellulose construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for quantitative and gravimetric analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReliable and consistent laboratory filtration performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eWHATMAN™\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrade\u003c\/td\u003e\n\u003ctd\u003e42\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAshless Quantitative Filter Paper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e12.5 cm \/ 125 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShape\u003c\/td\u003e\n\u003ctd\u003eCircular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh-purity cellulose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltration Speed\u003c\/td\u003e\n\u003ctd\u003eSlow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Particle Retention\u003c\/td\u003e\n\u003ctd\u003eApprox. 2.5 µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAsh Content\u003c\/td\u003e\n\u003ctd\u003eVery low; suitable for ashless analysis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eFine precipitate collection and quantitative analysis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eQuantitative chemical analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGravimetric analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCollection of fine precipitates\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFine particle filtration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnvironmental and water analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSoil and sediment testing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChemical laboratory analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePharmaceutical quality-control testing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResearch and educational laboratories\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose WHATMAN™ Grade 42?\u003c\/h2\u003e\n\u003cp\u003eWHATMAN™ Grade 42 is an excellent choice for laboratory applications requiring \u003cstrong\u003ehigh particle retention and efficient collection of fine precipitates\u003c\/strong\u003e. Its ashless properties make it particularly suitable for gravimetric procedures and analytical methods where accurate results and minimal residue after ignition are important.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIdeal for chemical laboratories, research institutes, pharmaceutical laboratories, environmental testing facilities, educational institutions, and industrial quality-control departments.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Technical specifications are typical values and may vary depending on manufacturing specifications and application conditions.\u003c\/em\u003e\u003c\/p\u003e","brand":"WHATMAN","offers":[{"title":"Default Title","offer_id":47280125018285,"sku":"1442-125","price":7682.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/7666\/9357\/files\/rn-image_picker_lib_temp_1766e760-968d-49ef-b35b-e84de0ce45cb.png?v=1787282000","url":"https:\/\/rinstruments.com\/products\/whatman%e2%84%a2-filter-paper-no-42-12-5-cm-125-mm","provider":"Rinstruments","version":"1.0","type":"link"}