Determination of the Total Iron Content in Feed via Ammonium Chloride Mediated Reduction
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Abstract:
The methods for total iron content determination in feed were studied in this paper. Results showed that the precision in the total ion content determination by atomic absorption spectrometry was obviously influenced by the forming of iron hydroxide colloid from ferric ions. In order to achieve a high precision of absorbance readings, it was necessary to reduce the ferrous ions to ferrous ions with ammonium chloride as reducing agent.
