2004
DOI: 10.1590/s0100-40422004000100010
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Desenvolvimento de um micro-aquecedor para sistemas de análise química em fluxo: determinação espectrofotométrica de manganês em plantas

Abstract: Recebido em 18/12/02; aceito em 15/5/03 DEVELOPMENT OF A MICRO-HEATER FOR FLOW ANALYSIS SYSTEMS. SPECTROPHOTOMETRIC DETERMINATION OF MANGANESE IN PLANT DIGEST. In this work a micro-heater device to be used as an integral part of the flow analysis manifold is described. The usefulness of the device was demonstrated using it in the development of a multicommutated flow analysis procedure for the spectrophotometric determination of manganese in plant digest. The method was based on the manganese oxidation by peri… Show more

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“…The above system was implemented with micro-heater device to raise the oxidation temperature to 70 • C in order to increase the rate of reaction for the determination of manganese in soybean digests [52]; this improved the speed of analysis to 30 s.…”
Section: Manganese Periodate Oxidation Reactionmentioning
confidence: 99%
“…The above system was implemented with micro-heater device to raise the oxidation temperature to 70 • C in order to increase the rate of reaction for the determination of manganese in soybean digests [52]; this improved the speed of analysis to 30 s.…”
Section: Manganese Periodate Oxidation Reactionmentioning
confidence: 99%