Determination of soluble cyanide in soil samples by differential pulse polarography

S. B. Adeloju, K. M. Gawne

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Soluble cyanide can be determined ins oil samples by differential pulse polarography. Interference from sulphide is avoided by treating the alkali-stabilized sample solutions with lead carbonate prior to distillation of cyanide from the soil extract. Less than 10 μg l-1 cyanide can be determined accurately, depending on teh weight of sample taken and the final collection volume. For a 100-g soil sample, the detection limit is 5 ng g-1, which is similar to the limit of a standard spectrophotometric method. Relative standard deviations are 1-3%.

Original languageEnglish
Pages (from-to)275-280
Number of pages6
JournalAnalytica Chimica Acta
Volume188
Issue numberC
DOIs
Publication statusPublished - 1986

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