Evaluation of Uncertainty in pH Standard Solution of Potassium Hydrogen Phthalate
This article explains how to correctly use a pH(acidity)meter to measure the pH standard solution of potassium hydrogen phthalate,and establishes a mathematical model based on JJF 1343-2012 General Principles and Statistical Principles for Determining the Value of Standard Substances.It also establishes an evaluation procedure and method for the uncertainty of the pH standard solution of potassium hydrogen phthalate.