prov:value
| - i metal, such as sodium, potassium, etc., an alkaline earth metal such as magnesium, calcium, barium, etc., an ammonium ion (NH and an amine salt such as a moiety from an amine such as methylamine, trimethylamine, triethylamine, ethanolamine, dibutylamine, ethylene diamine, morpholine, pyridine and the like.
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