Fine pore filter paper used for extremely difficult filtration conditions such as cold barium sulphate, metstannic acid, cuprous oxide.100% cotton, Camlab Filters Grade 15 equivanlent to grade 42 for very slow filtering
Fine pore filter paper used for extremely difficult filtration conditions such as cold barium sulphate, metstannic acid, cuprous oxide. Our ashless quantitative filter papers are made with 100% cotton linters. As quantitative analysis requires a high purity paper these are washed out with acid and finally cleaned with demineralised water. The ash content is 0.007%