Whatman Filter Paper 42 Pore Size

It is helpful for determining what filter paper is needed.

Whatman filter paper 42 pore size.

12 25 μm a fast filter paper with high wet strength. The tough surface makes these filters suitable for a wide range of critical filtration procedures. Typical analytical precipitates include barium sulfate metastannic acid and finely precipitated calcium carbonate. Membrane filters are recommended for retention of very small particles or for microbiological purposes.

Thickest filter paper in the whatman range. Below are summaries of the grade properties and common uses. 2 5 μm slow filter paper a world standard for critical gravimetric analysis with the finest particle retention of all whatman cellulose filter papers. Different types of qualitative whatman filter paper their properties the most common qualitative paper grades are 1 6 595 597 598 and 602 which have applications across multiple industries.

Ultra fine filter with retention. Select the optimal whatman filter for your application whatever you need to filter whatman has it covered. Our membrane filter offering includes pore sizes from 0 015 to 12 µm. Grade 42 2 5 µm grade 44 3 µm medium precipitate.

Whatman grade 42 quantitative filter paper ashless whatman 1442 125 ashless grade 42 quantitative filter paper diameter. 42 2 5µm fine. Smooth surface for easy recovery of precipitates. 25 μm only half the thickness of grade 113 and suitable for coarse or gelatinous precipitates.

It has a slow flow rate and is very hard and strong with excellent chemical resistance. Grade 540 8 µm. This is the filter paper size chart used to be on whatman s boxes. Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis.

Whatman filter papers and membranes are world renowned as a standard for laboratory filtration and are associated with quality reliability and reproducibility. 2 5 μm slow filter paper a world standard for critical gravimetric analysis with the finest particle retention of all whatman cellulose filter papers. Whatman grade 542 filter paper is often used in gravimetric metal determinations. 2 5µm p whatman 1442 125 ashless grade 42 quantitative filter paper diameter.

It has a very smooth surface making it easy to scrape or.