WS (drinking water) Quantitative E.Coli

(+/-)-Clenbuterol-d9 (trimethyl-d9),100 µg/mL,MeOH,1mL,

Cesium (Cs)

1-Fluoronaphthalene, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 321-38-0