Calcium (Ca)

Sodium dodecylbenzenesulfonate, mixture of branched C10-C14, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 25155-30-0

1,5-Dinitronaphthalene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 605-71-0

PCB Mix 2.5 ppb