Tag Archives: cationic surfactant

Here’s what Alan D. Adler could (should?) have done to investigate the porphyrins of those anomalous Shroud bloodstains.

  Late addition (July 2019) Please forgive this postscript, correction, “prescript”,  correction, intrusion, added many years later – based on some 350 and more postings here and elsewhere. That’s including some 7 years of my hands-on investigation into image-forming techniques, … Continue reading

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