C4-C16 Even, Methyl Esters Standard

3ß,17ß(H),21 alpha(H)-3-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 497938-96-2

Calibration sol. CS5 for HRGC/HRMS Analysis of PCBs, in Nonane, 200µl

N-Nitrosodiethanolamine, 100mg