Metals in Residual Oil Std 7, 100ml

2,2',3,3',4,5,5',6-Octachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

Silica (SiO2)

2,4,5-Trimethylaniline,100 µg/mL,acetonitrile,1mL,