| http://www.w3.org/ns/prov#value | - kali metal salts, such as lithium, potassium, sodium, and the like; alkali earth metal salts, such as barium, calcium, magnesium, and the like; transition metal salts, such as zinc, aluminum, and the like; other metal salts, such as sodium hydrogen phosphate, disodium phosphate, and the like; mineral acids, such as hydrochlorides, sulfates, and the like; and salts of organic acids, such as acetate
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