Ammonia as (NH4+) Back Catalog number: 54112 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 59930 Fluoride 0.1 µg/mL (F-) in Water, 500ml Price on request 5191-4570 ICP-MS Internal Std Mix (100mL) 257,91 € VHG-PTLN-100 Tl, 1000 µg/mL in 5% HNO3, 100ml Price on request