Cr, 1000 µg/mL in 5% HNO3, 100ml Back Catalog number: VHG-PCRN-100 Availability: In the manufacturer's stock Price on request - + Recommended 57980 Mercury (Hg), 1µg/ml in 2%-HNO3 / Water, 3 x 20ml Price on request VHG-MMC-5 Methyl Mercury Chloride, 1000µg/mL in H2O, 5ml Price on request 59927 Fluoride (F-), 10µg/mL in Water, 500ml Price on request