Whatman No 42 Filter Paper Pore Size

Our membrane filter offering includes pore sizes from 0 015 to 12 µm.

Whatman no 42 filter paper pore size.

Whatman grade 542 filter paper is often used in gravimetric metal determinations. Whatman grade 542 filter paper has a high retention of fine particles 2 7 μm at 98 efficiency under demanding conditions. It has a very smooth surface making it easy to scrape or. Wha1002125 whatman qualitative filter paper grade 2 circles diam.

Grade 42 ashless filter paper for instrumental analysis 460 570 mm sheet 100 pcs 28418043. Whatman quantitative filters are designed for gravimetric analysis and the preparation of samples for instrumental analysis. They are available in three formats designed to meet your specific needs. 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.

25 μm only half the thickness of grade 113 and suitable for coarse or gelatinous precipitates. Grade 42 ashless filter paper for instrumental analysis 110 mm circle 100 pcs 28418044. Whatman grade 42 filter paper is used for critical gravimetric analysis with the finest particle retention of all whatman cellulose filter papers 2 5 mm at 98 efficiency. Smooth surface for easy recovery of precipitates.

0 007 ash maximum for grades 40 to 44 and a maximum of 0 01 for the 589 grades very pure filters suitable for a wide range of. 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. 12 25 μm a fast filter paper with high wet strength. Whatman quantitative filter paper ashless whatman grade 42 quantitative filter paper ashless whatman 1442 125 ashless grade 42 quantitative filter paper diameter. Typical analytical precipitates include barium sulfate metastannic acid and finely precipitated calcium carbonate.

Whatman filter whatman paper z240230 paper filter nacres nb 24. Whatman filter papers and membranes are world renowned as a standard for laboratory filtration and are associated with quality reliability and reproducibility. 125 mm pack of 100 synonym.