Assertion: phosphoric acid's weight percent | /r/HasProperty | p o
Facets:
Source sentences:
text: The method according to claim 1 wherein the wet process phosphoric acid contains 15 to 45 weight percent P O and 1 to 5 weight percent hydrofluosilicic acid and wherein the amount of fluoride present is less than grams per liter of said wet process phosphoric acid.