New U.S. EPA Cyanide Analysis Methods
Source: OI Analytical
On April 17, 2012 the USEPA Administrator signed a Method Update Rule (MUR) approving new methods for analysis of NPDES wastewater samples. Six ASTM methods covering sampling, preservation and analysis of free, available and total cyanide are included in the MUR.
USEPA approval of ASTM D 7511-09e2 allows labs to analyze samples for total cyanide without a preliminary 2-hour acid distillation step. OI Analytical’s CNSolution 3100 Cyanide Analyzer uses in-line UV digestion to dissociate metal-cyanide complexes and measure total cyanide in minutes by ASTM D 7511-09e2.
SOURCE: OI Analytical
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