Nitrate Standard: NO3-, 1000µg/ml in Water, 100ml Back Catalog number: VHG-INO3-100 Availability: In the manufacturer's stock Price on request - + Recommended 59930 Fluoride 0.1 µg/mL (F-) in Water, 500ml Price on request 5190-8416 Mercury, 10,000ug/ml, 100ml 94,48 € 5190-8291 Magnesium, 1000ug/ml, 100ml 24,45 €