CWA Anions Back Catalog number: 55131 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79438 o-Chlorobenzylidenemalononitrile Price on request DF-SS-A Mass-Labelled PCDD Sampling Spike Solution, 1.2ml x 1000ng/ml, nonane Price on request 8645.12-50-NN 1,2,7,9-Tetrachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request