[Skip to Content]
[Skip to Content Landing]
March 24, 1923


JAMA. 1923;80(12):869-870. doi:10.1001/jama.1923.02640390057029

This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.


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

First Page Preview View Large
First page PDF preview
First page PDF preview