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To the Editor:
—Referring to the article of Drs. Hubbard and Munford in The Journal, February 3, it is remarkable that a substantial agreement in experience leads to so wide a divergence of opinion. In estimating the personal equation, it must be admitted that I have often been criticized for being too literal and pragmatic. While my letter in The Journal, Dec. 9, 1922, referred to the possibility of an alkaline tide in a "transcendental sense," the term alkaline to me means a change of color with phenolphthalein requiring an appreciable addition of acid to discharge it. The same personal tendency makes me eliminate certain of Browning's poems over which many persons pore for hours, and litmus as an indicator, whereas Drs. Hubbard and Munford have been more patient and have presented a beautiful table of correspondences in the amphoteric reaction.Their method of estimating acidity directly in terms of
Benedict AL. THE ALKALINE TIDE IN URINE, AGAIN. JAMA. 1923;80(12):869–870. doi:10.1001/jama.1923.02640390057029
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