Sodium (Na) Back Catalog number: 58111 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 58129 Copper (Cu) Price on request 0947.9-K-IO 3-Methylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1455-18-1 Price on request 684105 Metazachlor OA, 10.0 µg/ml, Acetonitrile, 10ml Price on request