Patinas for Metal Artists
Barometric Pressure and Humidity
Photo Processes and Formulas
Science Experiments
Laboratory Procedures
Biodiesel Processing
This spare pH electrode is for Hanna Soil pH Meter HI 99121. With temp sensor, amplifier, DIN connector and 1 m (3.3’) cable (included).
pH Buffer Solution, 4.0, 16oz. Cat. No. - G-2008 $14.00
pH Buffer Solution, 7.0, 16oz. Cat. No. - G-2009 $14.00
Electrode Storage Solution, 500 mL, HI 70300L Cat. No. - NC-10311 $14.00