Fisherbrand™ Quantitative Grade Filter Paper Circles manufactured by Thermo Fisher Scientific are made from high-quality alpha cotton cellulose, washed in hydrochloric acid and neutralized in an ultrapure water rinse. These filter paper circles are manufactured to reduce silicon dioxide, calcium oxide and ferric oxide levels.
Specification
Format:Circle Material:Alpha Cotton Cellulose Quantity:100/box Diameter (Metric):18.5 cm Grade:Q5 Porosity:Medium
Features
Leave no more than 0.01% ash when burned With limited wet strength
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Fisherbrand™ Quantitative Grade Filter Paper Circles, Diamter 7 cm, Medium Porosity, Thermo Fisher Scientific (CAT#: STEM-FC-0547-LC)