"Redissolve" Quotes from Famous Books
 ... nature of the substance, the extraction with ammonia may take weeks, or months, or even longer; the ammonia extracts of hard woods (as lignum vitae) and of cork are dark brown, and give an odour of vanilla when evaporated down. The residues, which are insoluble in water, but redissolve in ammonia, have the properties of humic acids. Other vegetable substances, when extracted, yielded, besides humic acids, a compound, C{6}H{7}O{2}, soluble in alcohol and chloroform, but insoluble in water, ether, and benzene; preparations from different sources melted between ...
— Researches on Cellulose - 1895-1900 • C. F. Cross |
