BEIJING, July 20 (Xinhua) -- Chinese researchers have developed a new method to evaluate the deterioration state of archaeological wooden artifacts, China Science Daily reported on Monday.

Evaluating the deterioration state of archeological wood is obligatory before the preservation of such artifacts. Using a mass spectrometry technique, researchers from the Chinese Academy of Forestry conducted a deep analysis of the chemical characteristics of archaeological wood dating back from 700 to 4,900 years.

They proposed a method based on real-time direct analysis of mass spectrometry combined with chemometrics, which realizes non-destructive and accurate detection of deterioration states of both waterlogged and dried archeological wood.

The evaluation model reveals archaeological wood's key chemical characteristics related to decay degree and avoids the interference of inorganic deposits, providing new insights for the protection and preservation research on wooden cultural relics.

The research result was published in the journal Analytical Chemistry. Enditem

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