Sulfuric acid is the world's largest volume industrial chemical. The main use is in the production of phosphate fertilizers. It is used to manufacture explosives, other acids, dyes, glue, wood ...

A healthy range of blood potassium levels is 3.5 to 5.0 millimoles per liter of blood. Levels above this may indicate hyperkalemia, which occurs most often in people with chronic kidney disease.

The ordinary macro-Kjeldahl method was much improved in speed and reliability by using a mixed selenium–mercury catalyst with the usual potassium sulphate; but even in this case some doubt ...

The main objective of our investigation was to evaluate the implementation of a remote experimental system in high school chemistry classes, involving acid–base titration content. Considering this ...