5 resultados para humic and fulvic acids
em University of Michigan
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Mode of access: Internet.
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"Use of Duclaux method on various substances" (bibliography): p. 235-236. Bibliography: p. 245-277.
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Thesis (doctoral)--
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"Specially noteworthy on two different grounds--firstly, because in it the relations to each other of ortho-, pyro-, and metaphosphoric acids and the corresponding salts were first pointed out; and secondly, because it formed the starting point of the idea of the basicity of acids."--Editor's pref.
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A precise and rapid method for the volumetric assay of uranium metal has been developed. The method consists of dissolving a weighed sample in an aqueous mixture of hydrochloric, sulfuric, and fluosilicic acids. The resulting uranium solution is titrated without a subsequent reduction step.