N-?Methylperfluorooctanesulfo?namide,50 µg/mL,acetonitrile,1mL,

Methyl Arsonic Acid Disodium Salt (~40%), 250mg

Aldicarb

Internal Standard for GC-analysis of PAH-compounds III 0768,16 3,6-Dimethylphenanthrene 0254,20 2,2’-Binaphthyl Conc: 500 µg/mL in DCM, 4.5mL in Certan, 10mL screw-cap