Assertion: phosphoric acid's amount | /r/CapableOf | vary to about 10%
Facets:
value: from about 1
type: TEMPORAL
value: from about 3
type: TEMPORAL
Source sentences:
text: The amount of alkaline reagent employed in the partial neutralization step can vary from about 1 to about 10%, preferably from about 3 to about 7% by weight of the total P 2 O 5 in the starting acid.