3,3',4,4'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2-Bromodibenzofuran, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 86-76-0

Trixylyl phosphate, purified ion m/z 424 (heptamethyl),100 µg/mL,isooctane,1mL,

Ochratoxin beta, 10mg