Multielement standard solution 4 for ICP, 100ml

Cr, 1000 µg/mL in 5% HNO3, 100ml

Mercury (Hg), 1µg/ml in 2%-HNO3 / Water, 3 x 20ml

Chlorine, 10000µg/g (1.00wt%) in Mineral Oil,100ml