Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Back Catalog number: DF-LCS-C Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 71809 Isobutyric acid Price on request 2127.12-10-IO Arochlor 1248 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 12672-29-6 Price on request 8904.6-K(N)-75W Nicotinic acid, Stock solution system check EN12260 Price on request