Nitrate Standard: NO3-, 1000µg/ml in Water, 100ml Back Catalog number: VHG-INO3-100 Availability: In the manufacturer's stock Price on request - + Recommended 59927 Fluoride (F-), 10µg/mL in Water, 500ml Price on request 5190-8217 Thallium, 10,000ug/ml, 100ml 101,89 € VHG-PNIN-100 Ni @ 1000 µg/mL in 5% HNO3, 100ml Price on request