Potassium is a mineral needed for vital bodily functions. But people with kidney disease may need to know which high potassium foods to avoid. Here we discuss how to create such a diet. If you ...

Mr. Perkins' process is as follows :— He dissolves in water the sulphates of aniline, of cuminine, and of toluidine, and adds sufficient bichromate of potash to neutralize the sulphuric acid in ...