Calion Internal Standard

n-Hexyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. NA 1083-27-8 for unlabelled

Levulinic acid

Arochlor 1221 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11104-28-2