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
“…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.…”
“…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.…”
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