Patinas for Metal Artists
Barometric Pressure and Humidity
Photo Processes and Formulas
Science Experiments
Laboratory Procedures
Biodiesel Processing
This clear flint glass stir rod has polished ends. The rod is ten inches long and 3/16 inches diameter, or 254mm x 5mm.
pH Strips, 1-12 range, vial, 100 strips Cat. No. - NC-12412 $2.75
Bomex Florence Flask, 500ml Cat. No. - NC-7899 $5.40
Sodium Hydroxide (Lye), 500g Cat. No. - NC-0874 $11.50
HM Digital Waterproof pH Meter, PH-200 Cat. No. - NC-11100 $79.95