Special Features:

Fisherbrand grade q2 fine porosity filtration speed: 1950 seconds; flowrate: 5ml/min; smooth, dense texture surface; excellent retention. Suitable for finest precipitates such as metastannic acid, barium sulfate, mercuric chromate, strontium sulfate. Used primarily for gravimetric and inorganic analyses, collecting precipitates that tend toward colloidal dispersions; limited wet strength; manufacturered from high quality alpha cotton cellulose and double washed in hydrochloric acid to reduce silicon dioxide, calcium oxide and ferric oxide levels; then neutralized in an ultrapure water rinse; leave no more than 0.01% ash when burned; meet astm requirements for ash content per circle; packed 100 circles to box and shrinked wrapped for purity and cleanliness 11cm dia

Properties: