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
According to the U.S. Bureau of Labor Statistics (BLS), English language and literature professors earned an average annual income of $68,360 in May 2013 (www.bls.gov).Professors may work at public or private, two-year or four-year, degree-granting institutions.They may also work at online schools.rofessors of English language and literature earned an average annual income of $82,840 in 2013, reported the CUPA-HR. In contrast, associate professors of English language and literature earned an average annual income of $64,009.