Nitrogen Phosphorus Pesticides #2 Back Catalog number: 31783 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1993.10-50-IO 1-Chloronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 90-13-1 Price on request 11709.12-100-IO 2,2',3,3',5-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 11203.8-50-MEX10 1D,1D,2H,2H-1-Hydroxyperfluorooctane,50 µg/mL,MeOH,1mL, Price on request