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MEASUREMENT OF HYDROGEN ION CONCEN
DETERMINATION OF NEODYMIUM IN
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0.10M solutions 3M magnesium nitrate absorption cell absorption spectra AlCL aluminium chloride aluminium nitrate aluminium sulfate ammonium nitrate amperes Bands Bands Bands Bands Nd bands of neodymium Beer's law Chem chloride and nitrate colorimetric measurements constant curve determination of neodymium Elster and H errors were introduced foreign ions Geitel given in Table glass electrode glass plates green absorption bands green and yellow green band filters H. M. Partridge hydrochloric acid light intensity light source magnesium chloride Mean Area method Mg(NO MgCL Nd(NO NdCL neodym neodymium and praseodymium neodymium nitrate solutions neodymium salt solutions neodymium sulfate NH.Cl nitrate caused nitric acid ohms oxalate photoelectric cell photronic cell voltage Photronic Pure Phys positive errors potassium potentiometer praseodymium nitrate rare earth resistor results obtained salts studied samarium shows solu solution of neodymium sulfuric acid tions voltage drop volts Xd cone yellow absorption bands yellow and green yellow band filters