This editorial regards a paper published on Thermochimica Acta, 425 (2005) 189.
The author hypothesized a “medieval invisible mending” on the Shroud of Turin.
There is no evidence of such a “medieval invisible mending”.
The two mass spectra presented differ only by the presence of a contaminant.
When the peaks due to the contaminant are removed, the two mass spectra look alike.