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The young doctor went very much into details, even so far as giving the various chemical symbols of poison, dwelling long on arsenious acid, whose symbol, he told the reporter, was As2O5, while if one desired to test the organs for traces of strychnine, it would be necessary to use "sodium and potassium hydroxide, ammonia and alkaline carbonate, to precipitate the free base strychnine from aqueous solutions of its salts as a white, crystalline solid," while this imposing formula was given: "C21H22 + NaOH C21H22 + H20 + NaNO3."
The everyday conception of water is more available for ordinary uses of drinking, washing, irrigation, etc., than the chemist's notion of it. The latter's description of it as H20 is superior from the standpoint of place and use in inquiry.
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