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 Chronicle of Higher Education has just come out with a list of the best paid professors in the U.S. At the top of the list is Harvard, which pays its full professors an average of $198,400 a year.Stanford, however, pays its associate professors the most, with an average salary of $131,200 annually.uring that same time, the salaries of public-college professors, when adjusted for inflation, rose by less than 1 percent at doctoral and baccalaureate institutions and fell by more than 5 percent at masterâs universities. Here's a look at the top 10 schools by professor salaries: