Zinc
Zn = 65.4 (7440-66-6)
Content, minimum 99.5%.
Silver-white cylinders, granules, pellets or filings with a blue sheen.
Arsenic(2.4.2, Method A) Maximum 0.2 ppm.
Dissolve 5.0 g in a mixture of the 15 mL of hydrochloric acid and 25 mL of water prescribed.