A BIPHASIC EXTRACTION PROCEDURE FOR THE SIMULTANEOUS REMOVAL OF ELEMENTAL SULFUR AND SULFATE FROM SOILS

A.G. O'Donnell, ZL He, JK Syers

    Research output: Contribution to journalArticlepeer-review

    4 Citations (Scopus)

    Abstract

    A biphasic extraction system (CCl4/KH2 PO4) has been developed for the simultaneous removal of elemental sulphur (S(o)) and sulphate from soil. For five soils the recovery of S(o) (recovered as both oxidised S and residual S(o) ranged from 96 to 100 % at zero time of incubation. Due to incorporation into the organic fraction, recoveries decreased to 76-88 % after 8 week's incubation. The extraction procedure can be used with either fresh or air-dry soil and is more effective in extracting residual S-degrees than existing, single solvent procedures.
    Original languageEnglish
    Pages (from-to)395-400
    JournalJournal of the Science of Food and Agriculture
    Volume59
    DOIs
    Publication statusPublished - 1992

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