Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml

1,3,7,8-Tetrabromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

n-Triatriacontane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 630-05-7

ßß-Carotene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 7235-40-7