Ofurace, 10 µg/ml, Ethyl acetate, 10ml

Method 8081LCS/MS/MSD Spike Solution Conc

2,2',3,3',4',5,6-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-70-4

3,3’-Dimethylbenzidine