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E Use of the Photronic Cell
COLORIMETRIC STUDIES OF THE NEODYMIUM
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1M magnesium nitrate 3M magnesium absorption cell absorption spectra absorption spectrum aluminium chloride aluminium nitrate aluminium sulfate ammonium nitrate amperes Bands Bands Bands bands of neodymium Beer's law chloride and nitrate colorimetric errors colorimetric measurements constant curve determination of neodymium errors were introduced foreign ions given in Table glass electrode Glass Plate+Screen glass plates green absorption bands green and yellow green band filters hydrochloric acid light intensity light source magnesium chloride Mean Area method MgCl Mixtures of Neodymium Nd cone NdCL neodym neodymium and praseodymium neodymium chloride solutions neodymium ion concentration neodymium nitrate solutions neodymium salt solutions neodymium sulfate NH.Cl nitrate caused nitric acid oxalate photoelectric cell photronic cell voltage Photronic Pure positive errors potassium potentiometer praseodymium nitrate rare earth results obtained salts studied samarium shows solu solution of neodymium sulfuric acid tions voltage drop volts yellow absorption bands yellow and green yellow band filters