2-(2-Chlorophenoxy)propionic acid, 100mg

4,4’-Diamino-3,3’-dimethyldiphenylmethane

n-Pentacosane-d52, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 121578-13-0

n-Alkanes C14-C32 (even + pristane/phytane) 12 Analytes, each 1000 µg/mL in isooctane; units: 1x1mL, 5x1mL, 10x1mL This standard includes all the even n-paraffins + pristane and phytane.