Malachite green: a new iodometric indicator von Meditsch, J.O.

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The decomposition of hydrogen peroxide in alkaline solution von Ohlweiler, O.A., Meditsch, J.O.

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Determination of silica in silicates by formation of 12-molybdosilicic acid and redox titration of molybdenum(III) von Ohlweiler, O.A., Meditsch, J.O.

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Absorptiometric determination of sulfate in waters von Ohlweiler, O.A., Meditsch, J.O.

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Absorptiometric determination of sulfate in waters von Ohlweiler, O.A., Meditsch, J.O.

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Boron trioxide—lithium carbonate (10:1) as a flux in silicate analysis von Ohlweiler, O.A., Meditsch, J.O., Piatnicki, C.M.S.

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Fusion with boron trioxide for silicate analysis by atomic absorption spectrometry: determination of potassium von Ohlweiler, O.A., Meditsch, J.O., Piatnicki, Clarisse M.S.

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A critical study of the standardization of cerium(IV) solutions against arsenic trioxide von Ohlweiler, O.A., Meditsch, J.O., Piatnicki, Clarisse M.S.

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Standardization of sulfatoceric acid solutions against sodium oxalate in the presence of perchloric acid and manganese(II) sulfate von Ohlweiler, O.A., Meditsch, J.O., Piatnicki, Clarisse M.S.

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Determination of silica in silicates containing phosphorus, titanium and zirconium by a modified procedure von Ohweyiler, O.A., Meditsch, J.O., Santos, S., Oderich, J.A.

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Determination of silica in silicates containing phosphorus, titanium and zirconium von Ohlweiler, O.A., Meditsch, J.O., Silveira, Carmem L.P., Silva, Sandra

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