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RISPreconcentration of thallium (III) and speciation of thallium (1) and (III) by single drop micro extraction using dicyclohexano-18-crown-6 and their determination by electrothermal atomic absorption spectrometry
سال: 2010
خلاصه:
containing picric acid as a counter ion at pH 6 was extracted into micro drop of nitrobenzene containing Dicyclohexn-18-crown-6 as complexing agent. The extracted micro drop was injected into a graphite furnace and accordingly thallium (III) was determined...
Preconcentration of thallium (III) by single drop micro extraction and its determination by electrothermal atomic absorption spectrometry in real samples and speciation of thallium (I) and (III)
سال: 2011
خلاصه:
). 10.0 ml of aqueous sample of thallium containing 0.5 ml of
1% picric acid as a counter ion at pH= 6 was extracted into a 4 μl microdrop of nitrobenzene
containing dyciclohexano-18- crown-6 as complexing agent. After the extraction, the...