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Northampton team “tests the test” in early work on chrome VI

19/06/2018
Dr Will Wise, senior lecturer at the Institute for Creative Leather Technologies at the University of Northampton, has said one of the first tasks the team there took on in its work for a doctoral research project into chrome VI was to “test the test” for detecting the presence of the potentially problematic substance in finished leather.

He explained at the Freiberg Leather Days conference in Germany in mid-June that the Northampton team anonymously sent four cuttings from a single piece of finished piece of leather to four different testing laboratories and asked each to test for the presence of chrome VI the sample they had received. “We received very different results from the four testing houses,” told the audience.

Work on the doctoral research is ongoing, but Dr Wise said it’s clear from what has emerged so far that the existing test is inadequate. “We want to use modern science to improve the existing ISO method,” he said. “We are breaking that test method down to work out where the variation, false positives and false negatives, is coming from.”


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