Patinas for Metal Artists
Barometric Pressure and Humidity
Photo Processes and Formulas
Science Experiments
Laboratory Procedures
Biodiesel Processing
These slow flow, 9.0 cm diameter qualitative grade plain filter circles are ideal for retention of the finest particles or precipates.
Acetone, ACS Reagent Grade, 16oz Cat. No. - NC-0007 $13.95
Ethyl Alcohol (Ethanol), Anhydrous, 16oz Cat. No. - NC-0026 $12.95
Isopropyl Alcohol, ACS USP/NF, 99.8% min., 16oz. Cat. No. - NC-0030 $13.95
Phenolphthalein, 30ml (1 oz.) Cat. No. - NC-0700 $3.50