Ipronidazole-hydroxy, 100 µg/ml, Methanol, 1ml

n-Butyl 4-hydroxybenzoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 94-26-8

Daily Quality Control Standard (with 4 Fluorinated Compounds Internal Standard) 14 Analytes + 4 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene 9 n-Heptane 17

Isobenzan