Fipronil-sulfone, 100 µg/ml, Acetonitrile, 5ml

4-Hydrazinobenzenesulfonic acid hemihydrate, 250mg

Perchlorate Level 4

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