Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Back Catalog number: PCB-IS-B Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1208.12-10MG 2,2'-Dinitrobiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 2436-96-6 Price on request 92269 Citric acid [2% wt] Price on request 3909.20-1G Amaranth, Redx No 2 (E 123), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 915-67-3 Price on request