Determination of low silicon concentrations in food and coral soil by inductively coupled plasma atomic emission spectrometry
- 1 January 1994
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of Analytical Atomic Spectrometry
- Vol. 9 (9) , 981-984
- https://doi.org/10.1039/ja9940900981
Abstract
To avoid a positive systematic error in the inductively coupled plasma atomic emission spectrometric determination of silicon, a new microwave dissolution procedure incorporating tertiary amine addition was developed. The determination of low silicon concentration levels in food and coral soils was significantly improved by adding water-soluble tertiary amines to the solution after dissolution with HF. Better accuracy and precision, and an improved detection limit (75 ng ml–1 of Si) were obtained with amine addition than without.Keywords
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