Monensin sodium, 100µg/mL in Acetonitrile, 1ml

Hexabromobiphenyl (technical), 10mg

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

BTEX (5.0 µg/mL)