Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml Back Catalog number: VHG-INH41K-100 Availability: In the manufacturer's stock Price on request - + Recommended 15242-CY10 Pesticides - Mix 10, 100µg/ml in CY, 10ml 186,32 € 59729 ICP Multi-element Standard Price on request 5190-6898 OFN 2fg/uL in isooctane 3 x 1mL 278,18 €