Fig. 9From: Nano meets the sheet: adhesive-free application of nanocellulosic suspensions in paper conservationMolar masses and carbonyl group contents of the BNC-treated samples before and after accelerated aging (6 or 20 days). Left rag paper (II) and book paper (IV); Right newsprint paper from 1877 (VI) and newsprint paper from 1946 (VI)Back to article page