Some observations concerning the direct titration of nitrite with cerium(IV)

Direct titration of nitrite with cerium (IV), with ferroin as indicator, is shown to give satisfactory results if the acidity is kept between 0.033 and 0.055 M at the end-point. Loss of nitrous acid owing to volatilization and decomposition is discussed. From 10 to 60 mg of sodium nitrite can be est...

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Bibliographic Details
Published in:Talanta (Oxford) 1983-07, Vol.30 (7), p.527-528
Main Authors: Muralikrishna, U., Subrahmanyam, K., Suryanarayana, M.V.S., Krishnamurthy, Mannam
Format: Article
Language:English
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Summary:Direct titration of nitrite with cerium (IV), with ferroin as indicator, is shown to give satisfactory results if the acidity is kept between 0.033 and 0.055 M at the end-point. Loss of nitrous acid owing to volatilization and decomposition is discussed. From 10 to 60 mg of sodium nitrite can be estimated with a standard deviation of 5 μg and an average error of 0.2%.
ISSN:0039-9140
1873-3573
DOI:10.1016/0039-9140(83)80123-4