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Replacement of CTC (Carbon Tetrachloride) Test for Carbon Activity

This is to notify you that, with immediate effect, we are changing our QA clearance test for carbon activity from the CTC test (ref. ASTM D3467-04), to the Butane test (ref. ASTM D5742-95). We will continue to report CTC activity on all relevant documentation, but in future this will be derived from the Butane test by correlation. This approach has been industry practice for some time since the sale and use of Carbon Tetrachloride and other CFCs has been banned and restricted respectively under the Montreal Protocol, owing to ozone depletion. Eurocarb has held stock of CTC and has continued…

Author: Jhenny Oliveros