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An optimised analytical technique based on pyrolysis coupled with gas chromatography/mass spectrometry (Py-GC/MS) and derivatisation in situ with hexamethyldisilazane (HMDS) was used to study several archaeological and artistic amber objects. The aim was to verify the authenticity of the objects and to provide historical information regarding the geographical origin of the ambers, and thus reveal the trade routes between different ancient civilizations. Results: Py-GC/MS using HMDS as adoi:10.1186/2050-7445-1-6 fatcat:vccxbfbibnaajgchfvxe35q4xm