Aluminium sulfate is sometimes referred to as a type of alum. Alums are double sulfate salts, with the formula AM(SO 4) 2Â·12H 2O, where A is a monovalent cation such as potassium or ammonium and M is a trivalent metal ion such as aluminium.luminium sulfate may be made by adding aluminium hydroxide, Al(OH) 3, to sulfuric acid, H 2 SO 4 :
Professors at Yale University make on average $264,496 USD per year. This is $193,103 more than the average university professor's annual salary ($71,393 USD). Salary Over Time
Average yearly salaries were highest in independent private institutions at $131,589, followed by public institutions at $105,780 and lowest at religious institutions at $95,163. The highest paid professors at private facilities earned a mean of $193,800 per year at Harvard University.At public institutions, the highest average wages were at the New Jersey Institute of Technology at $158,700 per year.he highest paid professors at private facilities earned a mean of $193,800 per year at Harvard University. At public institutions, the highest average wages were at the New Jersey Institute of Technology at $158,700 per year.