Hexachlorobenzene (13C6, 99%), 100µg/ml in Nonane, 1,2ml

sec-Butyl methyl ether, neat, Solvent-neat, Unit 1ml, # of units-1, Cas.no. 6795-87-5

Norflurazon, 100 µg/ml, Acetonitrile, 1ml

2,2',3,3',4,4',5-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane