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Submitted to the Graduate School of the Pennsylvania State College in partial fulfillment of the degree of Master of Science.
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Yorks, K.P., Willard, M.L. Phthalic acid as a reagent for the optical identification of some metals and alkaloids. Mikrochemie 19, 227–229 (1936). https://doi.org/10.1007/BF02752834
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DOI: https://doi.org/10.1007/BF02752834