2,2',4,4'-Tetrabromo-6-hydroxy[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene

Chloroform-13C,2000 µg/mL,MeOH,1mL,

n-C30/n-C20, n-Triacontane/n-Eicosane (Integration control) 1000 µg n-Triacontane and 2000 µg n-Eicosane in 1mL isooctane n-Triacontane/n-Eicosane = 1:2

2,4,6-Trinitrotoluene