Low Level Hexavalent Chromium

n-Alkanes mixture C20+C40 1140,20 Eicosane 1160,40 n-Tetracontane Conc: 100µg each/mL in n-Pentane Units: 5mL in Screw-cap bottles

3,4,4’-Trichlorocarbanilide

n-Pentane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 109-66-0