Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml Back Catalog number: VHG-INH41K-100 Availability: In the manufacturer's stock Price on request - + Recommended 673297 Fluazifop-methyl, 100 µg/ml, Acetonitrile, 5ml Price on request S200800 (S)-Scoulerine, 5mg Price on request 59478 Nitrite (NO2-) as N Price on request