1,2,3,6,7,8-Hexachlorodibenzofuran,50 µg/mL,n-nonane,1mL,

1,3-Diphenylguanidine, >98%, 25g

1H,1H,2H,2H-Perfluoro-n-octyl methacrylate,50 µg/mL,MeOH,1mL,

2,3',4,5,5'-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL,