A compound obtained from an early Iron-Age wood tar via “Kugelrohr”-distillation or extraction was identified as betulin by TLC. 1 H - and 13 C - NMR as well as by mass spectroscopy. This result validates the assumption that birch was used for the preparation of the archaeological wood tar found at the excavation in Stillfried a .d . March. Lower Austria.
No takes yet. Share an insight, caveat, or question.
Sauter et al. (1987) studied this question.