also: ポリりんさん
polyphosphoric acid
A chemical compound used in industrial and laboratory contexts; a polymer of phosphoric acid.
Polyphosphoric acid is obtained by dehydration condensation of phosphoric acid.
Standard kanji-katakana spelling for polyphosphoric acid.
Rare variant using the older kanji 燐 for phosphorus; ポリリン酸 is preferred.
From ポリ (poly-) + リン酸 (phosphoric acid).