PCB Isomers Mix B

D3-(±)-Naproxen, 100 µg/ml, Methanol, 1ml

F-BTEX ISTD Mixture 4 Analytes, each 2000 µg/mL in methanol; units: 1x 4.5mL, 1x10mL 2017.6 Fluorobenzene [462-06-6] 2018.7 2-Fluorotoluene

Perfluoro-n-[1,2-13C2]undecanoic acid, 1.2ml x 50ug/ml, methanol