Assertion: iodic acid's iodine | /r/HasProperty | extracted in 18th and 19th century
Facets:
value: from the ashes
type: OTHER
Source sentences:
text: Kelp was burned and the iodine extracted from the ashes in the 18th and 19th century, but now it is not good enough for common use.
text: Kelp was burned and the iodine extracted from the ashes in the 18th and 19th century, but now it is not good enough for common use.