Birch Tar Identification

Microdestructive, No Extraction

Provides Py-GC/MS biomarker criteria for birch tar, enabling identification of trace residues in archaeological samples without solvent extraction.

Lyu, Nanning · Youqian, Li · Yang, Shixia · Jianping, Yue · Feifei, Tian · Rao, Huiyun · Bin, Han · Yang, Yimin

European Physical Journal Plus 2023

Specifications

Earliest evidence

{'zh': '约4000', 'en': '~4000'} BP

Advantages

First reported birch tar biomarkers identifiable by Py-GC/MS

Less sample than GC/MS

No solvent extraction required