Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml Back Catalog number: VHG-INH41K-100 Availability: In the manufacturer's stock Price on request - + Recommended 10176.3-1G Acrylontrile, neat, Solvent-neat, Unit 1G, # of units-1, Cas.no. 107-13-1 Price on request 677110 D4-Quinoxyfen, 100 µg/ml, Acetonitrile, 1ml Price on request 11809.12-50-NN 2,3,7,8-Tetrachlorodibenzofuran,50 µg/mL,n-nonane,1mL, Price on request