Standards/27 metals mixed standard/Medium: 10% hydrochloric acid + tr. hydrofluoric acid/Magnesium, aluminum, silicon, titanium, chromium, manganese, iron, cobalt, nickel, copper, zinc, arsenic, selenium, ruthenium, rhodium, palladium, cadmium, tin, antimony, tellurium, barium, iridium, platinum, mercury, lead, bismuth