Semi-volatile surrogate standard

Zeaxanthin, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 144-68-3

EPA Method 552.2 - Haloacetic Acids

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