Cytiva's Whatman™ 1442-090 Ashless Grade 42 Quantitative Filter Paper, Diameter: 9cm, Pore Size: 2.5µm (Pack of 100)
Diameter: 9.0cm
Retention: 2.5µm
A world standard for critical gravimetric analysis
A Whatman™ cellulose filter is manufactured from high quality cotton linters treated to achieve a minimum alpha cellulose content of 98%
Typical analytical precipitates include barium sulphate - metastannic acid and finely precipitated calcium carbonate
Pack of 100
Manufacturer: Cytiva