Endosulfan (alpha and beta), 100 ng/µl, 1ml

Internal Standard for GC-analysis of PAH compounds II S-4282 Compound Prod.no. Batch no. Purity CAS no. Grav. conc. 2,2'-Binaphthyl 0254,20 2951 99.9 % 612-78

Spiking Standard 2

2,3-Butanedione, 1000µg/ml in MeOH, 5ml