Propetamphos

Tianeptine sulphate mono hydrate,1000 µg base/mL,MeOH,1mL,

EPA Method 502.2 Surrogate Standard

EPA 8041A Surrogate Standard PFB-derivatives S-4373 1mg/mL in isopropanol, 1 mL, 5 x 1mL, 5mL 2,4-Dibromophenol-PFB