pH
We have 12 Thermo Orion 2 Star pH meters purchased in the Spring of 2008. These have digital interfaces with easy calibration. The calibration instructions pull out from the front of the meter. These labs can also be performed with a computer using Vernier pH probes.
Procedural Labs
*Acid Content of Fruit Juice / Teacher Notes
*Analysis of Drain Cleaners / Teacher Notes
*Analysis of Vinegar (and Standardization of NaOH) / Teacher Notes
*Determination of the Ka of a Weak Acid / Teacher Notes
pH of Households / Teacher Notes
*Preparing Buffers and Buffer Capacity / Teacher Notes
Titration Curve / Teacher Notes
*Titration Curves and Acid/Base Indicators / Teacher Notes
*Titration of Oxalic Acid / Teacher Notes
*Titration of Polyprotic Acids / Teacher Notes
Resources
*Denotes advanced lab