Ashless filter papers are particularly suited for quantitative routine analysis and are manufactured from refined pulp and linters. They are acid-washed and have an extremely low ash content of 0.01%. The amount of a-cellulose is about 95%.
Qualitative filter papers are manufactured from the same raw materials as the ashless grades and are particularly suited for general laboratory filtrations. The average ash content is about 0.1%, the amount of a-cellulose is about 95%.
BUCHI provides automated classical extraction systems as well as instruments for pressurized solvent extraction. Paper thimbles and filters are requested for a variety of applications. BUCHI offers filters and thimbles with the optimal dimensions to fit the BUCHI extraction instruments.
Professional flue gas analyser that combines high quality of sample conditioning with great measurement accuracy contained in a compact soft casing. Analyser is equipped with heated hose with heated filter, built-in high efficient condensation dryer. It can be fitted with up to 9 sensors (electrochemical cells and NDIR sensors). Has built-in ...