n-Hydrocarbon Standard - C32,34,36,38

2,6,10-Trimethyldodecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3891-98-3

N-(4-chlorophenyl)-N'-(3,4-dichlorophenyl)urea , 1.2ml x 50ug/ml, methanol

Perchlorate (ClO4-)