Fisherbrand™ Quantitative-Grade Filter Paper Circles

Description

• Coarse Porosity Flowrate: 2.6 sec./100mL Surface: Smooth, open texture Particle Retention: >10μm Applications: Suitable for coarse and gelatinous precipitates requiring thorough washing on paper Medium Porosity Flowrate: 15.7 sec./100mL Surface: Smooth Particle Retention: 2 to 5μm Applications: Widely used for general gravimetric analysis
• Retains medium-sized particles such as lead sulfate, calcium oxalate, and magnesium-ammonium Fine Porosity Flowrate: 76 sec./100mL Surface: Smooth, dense texture Particle Retention: >2μm Applications: Excellent retention; suitable for finest precipitates such as metastannic acid, barium sulfate, mercuric chromate and strontium sulfate