Meta-Phosphoric Acid (HPO₃)ₙ Meta-phosphoric acid is a glassy, white, or crystalline polymeric form of phosphoric acid, consisting of cyclic or linear polyphosphate chains. Moreover, it is highly hygroscopic and widely used in analytical chemistry, food preservation, pharmaceuticals, and industrial applications. In addition, its strong dehydrating and chelating properties make it ess... https://scienceandlaboratoryexp.com/product/meta-phosphoric-acid/