1998
DOI: 10.1590/s0100-40421998000400021
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Interfase y software de control para operar en sincronismo un automuestreador y un atomizador electrotérmico por filamento de tungsteno en espectrofotometría de absorción atómica

Abstract: TO AN ATOMIC ABSORPTION SPECTOPHOTOMETER. The interface and software for synchronous control of an autosampler and an electrothermal tungsten coil atomizer in atomic absorption spectrophotometry were developed. The control of the power supply, the trigger of the Read function of the spectrophotometer and the automatic operation of the autosampler was performed by software written in "TurboBasic". The system was evaluated by comparison of the repeatability of peak-height absorbances obtained in the atomization … Show more

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Cited by 4 publications
(5 citation statements)
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“…The measurement time was 1.0 s. Lamp current and slit-width settings corresponded to manufacturer's recommendations. The arm of an autosampler AS-40 (PE) was used for sample introduction into the coil 25 .…”
Section: Experimental Part Instrumentationmentioning
confidence: 99%
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“…The measurement time was 1.0 s. Lamp current and slit-width settings corresponded to manufacturer's recommendations. The arm of an autosampler AS-40 (PE) was used for sample introduction into the coil 25 .…”
Section: Experimental Part Instrumentationmentioning
confidence: 99%
“…The hardware for this task was based on a PCL-711S PC-Multilab package (Advantech Co., Ltd, Taiwan, Part N° 2003711020 Rev. A2) which was connected to a control interface designed in our laboratory 25,26 . The software was designed to select the number of program steps, the voltage-time conditions in each step, and it was controlled through the parallel port (LPT2).…”
Section: Experimental Part Instrumentationmentioning
confidence: 99%
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“…Neira et al 54 desenvolveram uma interface e um programa computacional para operação sincronizada do amostrador automáti-co e do atomizador eletrotérmico de filamento de tungstênio para o equipamento de absorção atômica.…”
Section: Recentes Avanços Na Técnica De Etaw-aasunclassified
“…The instrument had a W-coil atomizer and charge-coupled device (CCD) detector. Neira et al (29) developed an interface and software for the synchronous operation of an autosampler and a W-coil atomizer coupled to an AA spectrometer. Applications of W-coil atomizers included the determination of Al (30), Cd (31), and Pb (32) in hair and blood, Co (33) and Yb (34) in animal feces, and Cr in biological materials (35).…”
Section: Instrumentation and Operationmentioning
confidence: 99%