4-Chlorophenyl methyl sulfone, 250mg

(±)-Sotalol-d7 hydrochloride (isopropyl-d7),1000 µg/mL,MeOH,1mL,

Acid Mix, 100µg/ml in Water, 1ml

Precition and Recovery (PAR) Standard Solution Dioxin-like PCBs each in 20ng/mL solution in n-nonane; unit: 1x1mL Chiron No. Dioxin-like PCBs PCB No. CAS No. 2006.12 3,3’4,4’-TetraCB PCB-77 [32598-13-3] 2007.12 3,4,4’,5-TetraCB PCB-81 [703