Sulfamethoxazole, anal. std., 10g

Analytical Standard for n-Alkanes 1mL Use 100µg/mL in hexane as a working standard n-C10-C40 + Pristane

Aromatic Fraction Peak Height Control Set (S-4029 + S-4030)

1,1,1,3,17,19,19,19-Octachlorononadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.