Patinas for Metal Artists
Barometric Pressure and Humidity
Photo Processes and Formulas
Science Experiments
Laboratory Procedures
Biodiesel Processing
These fast flow, 7.0 cm diameter qualitative grade plain filter circles are ideal for retaining large grain particles and gelatinous precipates.
Buchner Funnel, 70mm Cat. No. - G-1981 $8.25
Glass Funnel, 90mm Cat. No. - NC-6463 $5.20
Glass Funnel, 40mm Cat. No. - NC-0471 $2.40
Disposable Sterile Petri Dishes, 100x15mm, pk/20 Cat. No. - NC-10747 $9.95