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
The average annual salary for male professors is $282,226, which is $194,464 more than the average for male professors at universities. The average annual salary for female professors is $273,448, which is $189,841 more than the average for female professors at universities.emale professors at Stanford University make on average $205,086 over the course of nine months, the typical contract for an academic year. This is $155,496 more than the average female university professor's nine month salary ($49,590).