Whatman 1442-110 Ashless Quantitative Filter Paper, 11.0cm Diameter, 2.5 Micron, Grade 42 (Pack of 100)
- 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.