Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml Back Catalog number: VHG-INH41K-100 Availability: In the manufacturer's stock Price on request - + Recommended 679761 6-Chloro-N-methyl-3-pyridinemethanamine, 100 µg/ml Price on request 10858.22-100MG Tetracycline hydrochloride, 100mg Price on request 94788 Multi-Component Standard Price on request