Phosphoric acids and phosphates.docx

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Phosphoric acids and phosphates From Wikipedia, the free encyclopedia There are various kinds of phosphoric acids and phosphates. Of the many phosphorus oxoacids, the phosphoric acids constitute the largest and most diverse group. The simplest phosphoric acid series begins with monophosphoric (orthophosphoric) acid, continues with many oligophosphoric acids such as diphosphoric (pyrophosphoric) acid and concludes in the polyphosphoric acids. But, phosphoric acid units can bind together into rings or cyclic structures, chains (catenas), or branched structures, with various combinations possible. ach of these can form phosphates (salts or esters). Contents  !hide" # Orthop hospho ric acid $ Orthop hospha te % &olyphosph oric acids ' &olyphosph ates o '.# inea r polyphosphates o '.$ etaphosphoric acids and metaphosphates o '.% Branc hed polyp hosphates o '.' *ydrolysis of polyphosphoric+polyphosphates &hosphate and phosphite esters - ee al so / 0ef erences 1 2urther readi ng 3 xternal links Orthophosphoric acid!edit" Main article: Phosphoric acid The simplest compound of a series of phosphoric acids is sometimes called by its common name, orthophosphoric acid, but more often called by its 45&67 name, simplyphosphoric acid, by both non8technical people and even many chemists. 4t has also been called monophosphoric acid. !#"  The chemical formula of orthophosphoric acid is *%&O' and its chemical structure is shown in the illustration below. Two or more orthophosphoric

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