Assertion: wet process phosphoric acid | /r/HasAspect | a concentration of about 61.8%
Facets:
Source sentences:
text: The effect of fluoride content on purified, concentrated phosphoric acid yield is illustrated by the following tests which were carried out using a wet-process phosphoric acid having a concentration of about 61.8% P 2 O 5 and which had been treated during manufacture to reduce the naturally occurring fluoride content to about 0.2%.