Abstract
OXALIC acid is entirely oxidised by light (Proc. Roy. Soc. No. 191, and Chemical News, October 8, 1880), and affords, by reason of its own physical properties and those of the products of the reaction, an excellent medium for actinometry. A preliminary series of experiments on the physical conditions which modify this oxidation show that, c.p., the effect is greater in direct proportion to the extent of exposed surface of the solution but inversely as its depth. It is greater also in proportion to the strength of the solution; and it would appear—I speak for the present quite provisionally—that in this relation the reaction follows a definite law, being as the square root of the mass.
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DOWNES, A. Note on Actinometry by Oxalic Acid. Nature 34, 547 (1886). https://doi.org/10.1038/034547a0
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DOI: https://doi.org/10.1038/034547a0
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