Phosphate soda

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A soda jerk at Franklin Fountain in Philadelphia holds up his phosphate bottle.

Phosphate soda is a type of beverage that has a tangy or sour taste. These beverages became popular among men in the 1870s in the United States, and phosphate beverages were made with fruit flavorings, egg, malt, or wine. In the 1900s, the beverages became popular with both genders, and fruit-flavoured phosphate sodas were served at soda fountains, before losing popularity to ice cream beverages in the 1930s.[1] Phosphoric acid is used in many bottled soft drinks, including Coca-Cola. The original acid phosphate, made by the Horsford Chemical Company, was a mixture of calcium, magnesium and potassium phosphate salts with a small amount of phosphoric acid producing a liquid mixture with a pH of around 2.0, the same as fresh squeezed lime juice.


  1. ^ Andrew F. Smith (6 March 2007). The Oxford companion to American food and drink. Oxford University Press US. pp. 478–. ISBN 978-0-19-530796-2. Retrieved 1 April 2011. 

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