Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml Back Catalog number: VHG-INH41K-100 Availability: In the manufacturer's stock Price on request - + Recommended 673747 Bromocyclen, 100 µg/ml, Ethyl acetate, 5ml Price on request 3754.20-K-AC 4-tert-Octylphenol triethoxylate,1000 µg/mL,acetone,1mL, Price on request 2128.12-K-IOX10 Arochlor 1254, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11097-69-1 Price on request