SPECTROPHOTOMETRIC DETERMINATION OF BISMUTH IN WATER SAMPLES BY DISPERSIVE LIQUID-LIQUID MICROEXTRACTION AFTER MULTIVARIATE OPTIMIZATION BASED ON BOX-BEHNKEN
A new simple and rapid dispersive liquid-liquid microextraction has been applied to preconcentration trace levels of bismuth as a prior step to its determination by spectrophotometric detection. In the proposed method, dithizone was used as a chelating agent, and tetrachloride carbon and ethanol are...
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Main Authors: | , , |
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Language: | English |
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Sociedad Chilena de Química
2013
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Online Access: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072013000300023 |
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