the sample offered to each laboratory would weigh 28 mg, in total equivalent to 9 cm 2 of cloth.the test would be performed concurrently by seven laboratories, under the joint supervision of the Pontifical Academy of Science, the archbishop of Turin, and the British Museum.original and control samples, indistinguishable from each other, would be provided ( blind test).carbon-dating would be the only test performed.In the end, a compromise solution was reached with the so-called "Turin protocol", which stated that: The 1986 Turin protocol Ī meeting with ecclesiastic authorities took place on September 29, 1986, to determine the way forward. group expected to perform the radiometric examination under its own aegis and after the other examinations had been completed, while the laboratories considered radio-carbon dating to be the prime test, which should be completed at the detriment of other tests, if necessary.
group and the candidate laboratories turned into a P.R. However, a disagreement between the S.Tu.R.P. 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. To obtain independent and replicable results, and to avoid conflict between the laboratories, it was decided to let all interested laboratories perform the tests at the same time. University of Arizona, Tucson, Arizona, United States.Nuclear Structure Research Laboratory, University of Rochester, Rochester, New York, United States.Four used accelerator mass spectrometry:.Atomic Energy Research Establishment, Harwell, Oxfordshire, England.Brookhaven National Laboratory, Upton, New York, United States.Two used a proportional counter approach:.The six labs that showed interest in performing the procedure fell into two categories, according to the method they utilised: Gove consulted numerous laboratories which were able at the time (1982) to carbon-date small fabric samples. group initially planned to conduct a range of different studies on the cloth, including radio-carbon dating. The development in the 1970s of new techniques for radio-carbon dating, which required much lower quantities of source material, prompted the Catholic Church to found the Shroud of Turin Research Project (S.Tu.R.P.), which involved about 30 scientists of various religious faiths, including non-Christians. The idea of scientifically dating the shroud had first been proposed in the 1960s, but permission had been refused because the procedure at the time would have required the destruction of too much fabric (almost 0.05 sq m ≅ 0.538 sq ft). Background 1978: the creation of S.Tu.R.P. Despite some technical concerns that have been raised about radiocarbon dating of the Shroud, no radiocarbon-dating expert has asserted that the dating is unreliable. Aspects of the 1988 test continue to be debated. In 1988, scientists at three separate laboratories dated samples from the Shroud to a range of 1260–1390 AD, which coincides with the first certain appearance of the shroud in the 1350s and is much later than the burial of Jesus in 30 or 33 AD. The Shroud of Turin, a linen cloth that tradition associates with the crucifixion and burial of Jesus, has undergone numerous scientific tests, the most notable of which is radiocarbon dating, in an attempt to determine the relic's authenticity.
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