Simultaneous Determination of Copper, Manganese, Iron, and Calcium in Natural Rubber by Emission Spectrography

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An emission spectrographic method for the simultaneous determination of trace quantities of copper, manganese, iron, and calcium in various types of dry natural rubber is described. The results are reproducible, the coefficient of variation averaging about 6% for samples of 1 g or larger. Accuracy of this method is verified by parallel analysis with atomic absorption spectrometry.

Keywords: Emission spectroscopy; Natural rubber; Trace metal analysis

Document Type: Research Article


Affiliations: Rubber Research Institute of Malaya, Kuala Lumpur, Malaysia

Publication date: May 1, 1972

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