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 salary for full professors ($187,000) isnât much more than fellow Ivy Leaguer Yale (see previous slide), and isnât far behind #6 on our list. Associate and assistant professors at UPenn also do well, earning average salaries of $117,300 and $116,200 for the 2012-2013 academic year, respectively.verage salary for full professors: $207,300 In addition to paying its full professors royally, Stanford paid its associate professors $135,100 and its assistant professors $111,300 on average for the 2012-2013 academic year.