Nitrite Standard: NO2-, 1000µg/mL iin Water, 100ml Back Catalog number: VHG-INO2-100 Availability: In the manufacturer's stock Price on request - + Recommended VHG-PNAN-100 Na, 1000 µg/mL in 5% HNO3, 100ml Price on request 5190-8298 Nickel, 1000ug/ml, 100ml 25,65 € 5190-8279 Copper, 1000ug/ml, 100ml 29,92 €