Naphthalene-d8, 1000µg/ml in MeOH, 1ml

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

3,5-Dichlorocatechol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 13673-92-2

Phosphate as (PO43-)