Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml Back Catalog number: VHG-INH41K-100 Availability: In the manufacturer's stock Price on request - + Recommended 9494.18-100-IO Triphenylphosphate-d15, 100µg/ml in IO, 1ml Price on request 32051 Bromoform Price on request RPC-056AS 2,2,3,4,4,6-Hexachlorobiphenyl,BZ-139 912,64 Kč