Determination of Fat in a Snickers’ Bar
In a recent paper [J. Chem. Educ. 1997, 74, 1108-1111], Snow, Dunn and Patel describe the experimental determination of fat in a SnickersTM candy bar. The fat was removed by extraction with […]
Analytical Problem Exchange
Use the problems in this forum to jump-start your in-class exercises, out-of-class assignments, or use them in exams.
What is the Difference Between Repeatability, Reproducibility, Accuracy, and Precision?
In an editorial published in American Laboratory (November 2000), Ira S. Krull states that in “any science, then, one must present at the very outset evidence of repeatability, reproducibility, accuracy, and precision […]