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MEASURED BY THE ACETONE-METHYLENE BLUE METHOD

IRA A. MANVILLE, M.D., PH.D.

Am J Dis Child. 1937;53(1 PART I):39-55.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

In 1929 I reported on the amount of ultraviolet radiation in the sunshine of Portland, Ore.¹ The method used was the acetone-methylene blue method as described by Hill.² The observations were made from February 10 to Sept. 30, 1928, inclusive. Since that time, numerous investigators³ have determined the amount of ultra-violet light in the sunshine as it was received in different parts of the world. In the United States alone about 23 different observations have been made. The methods employed included the oxalic acid method, the lithopone mixture method, the zinc sulfide method, the use of the I. G. Farbindustrie ultraviolet dosimeter, and the acetone-methylene blue method. A discussion of the relative merits of these various methods will not be undertaken here since this subject has recently been treated adequately by Mayerson³ in an excellent review.

My first report covered a period of somewhat less than . . . [Full Text PDF of this Article]

Author Affiliations
PORTLAND, ORE.

From the Department of Physiology, University of Oregon Medical School.

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