WS Trace Elements #1 Back Catalog number: 55012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90952 Chlorobenzene Price on request A12530000AL-100 Dichlorvos, 100µg/mL in Acetonitrile, 1ml Price on request BDE-183S 2,2',3,4,4',5',6-Heptabromodiphenyl ether, 50µg/ml in IO, 1ml Price on request