Boron (B) Back Catalog number: 57305 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673324 Imidacloprid, 10.0 µg/ml, Acetonitrile, 10ml Price on request DF-23478-S 2,3,4,7,8-Pentachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request 11663.12-100-IO 2,2'-Dichlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request