A phosphate, occasionally or colloquially called phosphate soda, is a type of beverage flavored with a tangy or sour taste, using phosphoric acid as an additive. These beverages appeared in the 1870s, following the advent of development by Harvard professor Eben N. Horsford of a process for "acid phosphates of lime" (patented 1868, later voided), and began promoting it as a health product.
A phosphate, occasionally or colloquially called phosphate soda, is a type of beverage flavored with a tangy or sour taste, using phosphoric acid as an additive. These beverages appeared in the 1870s, following the advent of development by Harvard professor Eben N. Horsford of a process for "acid phosphates of lime" (patented 1868, later voided), and began promoting it as a health product.
Source: Wikipedia "Phosphate soda" · CC BY-SA 4.0
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