Whatman Filter Paper Grade 40 12.7mm

About Whatman Filter Paper Grade 40 12.7mm

Minimum order quantity: 1 Pack

Whatman filter papers are made from high-quality materials and are used in a variety of applications, including qualitative and quantitative analysis. They are available in different grades, each with specific properties and uses: 

• Grade 1A medium flow filter paper with medium retention. It's commonly used for clarifying liquids, soil analysis, seed testing, and separating solid foodstuffs from liquids. 
• Grade 542A fine filter paper made from cotton linters with a nominal particle retention rating of 2.7 m. It's used for capturing fine precipitates, collecting trace elements and radionuclides, and gravimetric metal determinations. 
• Quartz fiberA high-purity quartz microfiber filter used for air sampling, particularly at high temperatures. It's used for PM2.5/PM10 and trace element analysis.