Fisherbrand™ Quantitative Grade Filter Paper Circles

Description

• Manufactured to reduce silicon dioxide, calcium oxide and ferric oxide levels Made from high-quality alpha cotton cellulose, washed in hydrochloric acid and neutralized in an ultrapure water rinse Leave no more than 0.01% ash when burned Limited wet strength, suitable for gravity or low-suction filtration; should be used with care to avoid rupturing Order Info Packed 100 circles to a box and shrink-wrapped for purity and cleanliness
• Compliance All papers listed in chart meet ASTM™ requirements for ash content per circle .