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Shredding the samples would not solve the problem, while making it much more difficult and wasteful to clean the samples properly. The blind-test method was abandoned, because the distinctive three-to-one herringbone twill weave of the shroud could not be matched in the controls, and it was therefore still possible for a laboratory to identify the shroud sample.In a well-attended press conference on October 13, Cardinal Ballestrero announced the official results, i.e.that radio-carbon testing dated the shroud to a date of 1260-1390 AD, with 95% confidence.
This dating service provides support for all stages of radiocarbon dating from project design and sample choice right through to data analysis. Gove consulted numerous laboratories which were able at the time (1982) to carbon-date small fabric samples. [...] The pressure on the ecclesiastic authorities to accept the Turin protocol have almost approached illegality. group published the list of tests to be performed on the shroud; these aimed to identify how the image was impressed onto the cloth, to verify the relic's purported origin, and to identify better-suited conservation methods. We are faced with actual blackmail: unless we accept the conditions imposed by the laboratories, they will start a marketing campaign of accusations against the Church, which they will portray as scared of the truth and enemy of science.The labs were also each given three control samples (one more than originally intended), that were: and communicated their results to the British Museum.On September 28, 1988, British Museum director and coordinator of the study Michael Tite communicated the official results to the Diocese of Turin and to the Holy See.