EPA Method 552 Internal Standard

3-Methylhexane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 589-34-4

Sulfur Standard 3 Compound Prod.no. CAS no. Purity Grav. conc.µg/ml Ethanethiol 0184,2 75-08-1 99 % 20 Ethylene sulfide 2139,2 420-12-2 98.7 % 20 Thiophene 0933,4 110-02-1 99.5 % 20Methyl disulfide 0195,2 624-92-0 99 % 20 2-Methylthiophene 0934,5

Heptachlor endo-epoxide, 100µg/ml, Acetonitrile, 5ml