Assertion: phosphoric acid's amount | /r/HasProperty | 100 to 100,000%
Facets:
value: preferably
type: DEGREE
value: by mass
type: OTHER
Source sentences:
text: The amount of the alkali solution used in the alkali treatment is not particularly limited, but is preferably 100 to 100,000% by mass, more preferably 1000 to 10,000% by mass with respect to the absolutely dry mass of the phosphoric acid-introduced fiber.