ICP-AES - Verification I Standard 2

17 alpha(H),21 alpha(H)-(22RS)-Bishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 105498-25-7

EPA Method 502/524 High Conc VOC Mixes

1-Hydroxyibuprofen, 100 µg/ml, Acetonitrile, 1ml