Anions Mix Back Catalog number: 59285 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94568 PCB Congener Surrogate Standard Mix Price on request 58072 Hafnium (Hf) Price on request MDDF-MDT Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request