Mass-Labelled PCB Extraction Standards, 1.2ml, nonane Back Catalog number: PCB-LCS-H Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 3905.16-1G Tartrazine (E102), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1934-21-0 Price on request 59046 Spike Solution #2 Price on request 673785 Demeton-S-methyl-sulfoxide, 100 µg/ml, Ethyl acet Price on request