Qualitative Reference Petroleum Set, 3 x 1ml Back Catalog number: D-5134-92-SET Availability: In the manufacturer's stock Price on request - + Recommended 11710.12-100-IO 2,2',3,3',6-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 70494 sym-Trinitrobenzene Price on request 0957.14-500-IO 1,3-Dimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 31317-15-4 Price on request