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
As stated in The Chronicle of Higher Education's 2012 Faculty Salary Survey, full professors at Harvard earned the highest average salaries at $198,400. By contrast, full professors at Peninsula College in Washington earned only $52,300.he lowest 10 percent earned less than $30,720, and the top 10 percent earned more than $130,510. Professors at Ivy League universities and top-tier private colleges, such as New York University, Duke, Northwestern, and Stanford, occupied the top of the pay scale.