Patinas for Metal Artists
Barometric Pressure and Humidity
Photo Processes and Formulas
Science Experiments
Laboratory Procedures
Biodiesel Processing
These medium flow, 7.0 cm diameter qualitative grade plain filter circles are ideal for retaining crystaline materials and for general chemistry applications.
Rubber Gasket or Vacuum Filter Aid Cat. No. - NC-12135 $5.95
Micro Spatula, Stainless Steel Cat. No. - NC-3062 $2.95
Disposable Graduated Transfer Pipet Cat. No. - NC-5423 $0.25
Twist-it Stopper, Size #8 Cat. No. - NC-0977 $2.90