Investing in Sodium
Sodium is an alkali metal commonly found as sodium chloride, or salt.
Rio Tinto - http://www.riotinto.com/whatweproduce/salt.asp
K+S AG (ETR:SDF) - http://www.k-plus-s.com/en/geschaeftsbereiche/gb-salz.html - One of the world's largest producers of salt.
ESPI High Purity Metals - http://www.espimetals.com/metals/catsodium.htm
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