Dionex Announces EPA Federal Register Approval of Ion Chromatography for Total Cyanide Analysis
News Nov 08, 2010
Dionex is pleased to announce that as part of the joint EPA/ASTM joint task force, Dionex has worked to implement new updates to expand choices available to laboratories for achieving compliance monitoring. This joint task force was created to simplify CN sampling and testing methods that sometimes result in false positives and false negatives in complex matrices.
The EPA is proposing to add ASTM D2036-09 Standard Test Methods for Cyanides in Water, Test Method A Total Cyanide after Distillation. “The inclusion of ion chromatography and gas diffusion separation with amperometric detection as determinative steps (D2036-09, sections 16.5 and 16.6) will give users additional options to measure cyanide after distillation. Furthermore, these determinative steps can be used to mitigate interferences that have been associated with conventional colorimetric test methods.”
The latest updates can be found on the US EPA office of Water website