Gallic acid, >98%, 20mg

1,2-Bis(pentabromophenyl)ethane [13C14], 1.2ml x 25ug/ml, toluene

B[a]P/HCB Recovery standard 1337,16 Fluoranthene-d10 100 000ng/ml Solvent: n-Hexane Units: 1mL crimp-top

2,6-Dichlorophenol-PFB derivative