Calibration Standard Mix 7 Back Catalog number: 53015 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-LCS-B40 Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request 70908 2-Chloroethanol Price on request 11753.12-100-IO 2,3,3',4',5,5'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request