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Determination of zinc and lead in additives and additive oils

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Chemistry and Technology of Fuels and Oils Aims and scope

Summary

A rapid method has been developed for determining zinc and lead in additives and additive oils, based on an ion-exchange chromatographic separation of the elements on the polymer Anionit ÉDÉ-10 P, with subsequent complexometric titration of the solutions using xylenol orange indicator.

The method gives good repeatability of results from the lead and zinc determinations; the deviations between parallel determinations are at most 2% (rel.) when the metal content of the sample is above 0.5%. Good reproducibility was obtained when comparing the proposed method with standard gravimetric and ASTM methods. The time required to determine zinc and lead when both are present along with barium, phosphorus, and sulfur is not more than 5–6 h.

The proposed method is recommended for use in scientific research institutes and in plant laboratories.

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Literature cited

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Sosnina, N.P., Tarasov, A.I. & Muzychenko, V.P. Determination of zinc and lead in additives and additive oils. Chem Technol Fuels Oils 1, 404–407 (1965). https://doi.org/10.1007/BF00718566

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  • DOI: https://doi.org/10.1007/BF00718566

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