| http://www.w3.org/ns/prov#value | - sium oxalate, lithium oxalate, sodium borate, sodium tetraborate, potassium hydrogenphthalate and potassium hydrogentartrate, ammonia, and amines such as methylamine, ethylamine, diethylamine, tris(hydroxymethyl) aminomethane hydrochloride, triethanolamine, morpholine and propanolamine.
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