pH 5.0 Standard @ 25°C

Tri-n-butyltin-d27 chloride, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1257647-76-9

1,4-Dimethyl-2-ethylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 1758-88-9

Pristane/n-Heptadecane Control Standard/Whole Oil Control Mixture 4 Pristane/n-Heptadecane = 1:2 (1000µg Pristane and 2000µg n-Heptadecane in 1mL isooctane)