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
Full professors at Princeton University receive the second highest average salary, earning $92,700. Stanford's professors earn $91,200 a year, while Yale pays its professors $90,200.The University's Cambridge neighbor, MIT, pays its full professors $87,000.arvard pays its best-and-brightest faculty some of the best salaries in the nation, according to a recent study by the. 1  Harvard Paid President Less Than Most Ivies The number of presidents of private universities earning more than $500,000 in pay and benefits more than doubled between the.