Determination of traces of iron(II) in the presence of iron(III) by the bathophenanthroline method |
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| Authors: | Mizuno T |
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| Affiliation: | Technical Laboratory Central Research Institute of Electrical Power Industry Iwato, Komae Tokyo, Japan. |
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| Abstract: | Traces of iron(II) (1-30 ppM) in the presence of iron(III) were determined (error <10%) by the bathophenanthroline method. Interference of iron(III) was eliminated by masking with sodium pyrophosphate (2.5-60 mg). The iron(II) complex was extracted with n-butanol, at pH 4.2-4.7. |
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