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An AutoAnalyzer method for determination of extractable sulphate in plant material

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Summary

A method is described for determining extractable plant sulphate in which plant material is shaken with a dilute acid mixture and decolorising charcoal, and the filtered extract is analysed for sulphate by a turbidimetric AutoAnalyzer method. The method is rapid and precise, and results agree closely with those obtained by the direct digestion/reduction/distillation method of Johnson and Nishita2. re]19730829

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References

  1. Beaton, J. D. et al., Sulphur Inst. Tech. Bull. No. 14, (1968).

  2. Johnson, C. M. and Nishita, H., Anal. Chem. 24, 736–42 (1952).

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  3. Mottershead, B. E., Lab. Practice 20, 483–91 (1971).

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  4. Sinclair, A. G., N.Z. J. Agr. Research 16, 287–92 (1973).

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  5. Williams, C. H. and Twine, J. R., C.S.I.R.O. Div. Plant Ind. Tech. Paper No. 24, (1967).

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    1. A. G. Sinclair
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    Sinclair, A.G. An AutoAnalyzer method for determination of extractable sulphate in plant material. Plant Soil 40, 693–697 (1974). https://doi.org/10.1007/BF00010526

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    • DOI: https://doi.org/10.1007/BF00010526

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