The Doctor of Philosophy (Ph.D.) in Curriculum and Instruction requires a minimum of 90 postbaccalaureate, graduate credit hours. Information on the Ph.D. programs may be obtained from the College of Education Office of Graduate Studies in 018 Bluemont Hall or from the relevant department chair. Mold will not harm the electrode and can easily be removed using a mild detergent solution. The Vernier gel-filled pH Sensor is designed to make measurements in the pH range of 0 to 14. The gel-filled reference half cell is sealed; it cannot be refilled.
Our products are not designed nor are they recommended for any industrial, medical, or commercial process such as life support, patient diagnosis, control of a manufacturing process, or industrial testing of any kind. For the most accurate measurements with this sensor, we recommend calibration. It is a simple process that takes only a few minutes. Note: Vernier products are designed for educational use. Slide the cap onto the electrode body, and then screw the cap onto the storage bottle so the tip of the electrode is immersed in the storage solution.