Fentanyl

EPA Method 548 Analyte

n-Hexane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 110-54-3

Daily Quality Control Standard (with 4 Deuterated 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 17m-Xylene 3 n-Octane 17