This Reeve Angel® qualitative filter paper, Grade 201, is manufactured primarily for routine, noncritical laboratory filtration applications. It contains wet-strength additives and should not be used for Kjeldahl Nitrogen determinations. These Reeve Angel® papers provide consistent quality and performance. For organic chemistry, pharmacology, solvent filtering, and recovery, sugar filtration. Surface: Smooth. Color: White. Shape: Circle. Precipitates Retained: Medium. Filtration Speed: Medium-Slow. Nominal Retention 98% Efficient At: 7 to 14¬µm. 100 circles/box.
