1,2,4,5-Tetrachlorobenzene, 1000µg/ml in MeOH, 1ml Back Catalog number: 70274 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended DF-B10-CS5-11 Individual Calibration Solutions, 200uL, nonane Price on request B0927 Butyl Phenyl Ether, 25ml Price on request DF-LCS-B200 Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml , nonane Price on request