Cyclohexanone-DNPH

2,2',3,4',5,5',6-Heptachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

2,3,3',5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

CONOSTAN 1000ppm Standard, Cr, 50g