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Polarographic determination of ammonium and nitrite |
AB-127 Polarographic determination of ammonium and nitrite
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Nitrite can be determined by polarography after conversion to diphenylnitrosamine (C6H5)2NNO. To ensure rapid and quantitative conversion, potassium thiocyanate is used as a catalyst. The reaction is carried out in an acidic solution at approx. pH = 1.5. The determination limit is 5 μg/L NO2-.
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AB-127 Polarographic determination of ammonium and nitrite
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AB-127 Polarographic determination of ammonium and nitrite
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AB-127 Polarographic determination of ammonium and nitrite
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AB-127 Polarographic determination of ammonium and nitrite
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AB-127 Polarographic determination of ammonium and nitrite
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