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- E-ISSN 2288-8985
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Determination of <TEX>$Mg^{2+}$</TEX> using 5-membered Heterocyclic Compound
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1993, v.6 no.3, pp.307-311
Seo,
M. L., Lee,
S. S., Kim,
J. S., &
Park,
T.
M.
(1993). Determination of <TEX>$Mg^{2+}$</TEX> using 5-membered Heterocyclic Compound. Analytical Science and Technology, 6(3), 307-311.
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Abstract
Ionophore, which contains 5-membered heterocyclic compound, was prepared. <TEX>$Mg^{2+}$</TEX> was determined by salting-out technique using ionophore as a chelating reagent. After <TEX>$Mg^{2+}$</TEX> was extracted into the acetonitrile layer as a Mg-<TEX>$(Ionophore)_2$</TEX> complex from acetate buffered aqueous solution by salting-out extraction technique, absorbance of complex was recorded by atomic absorption spectrophotometry. Optimum pH was between 2.5 and 5.0 for extraction and 1:2([<TEX>$Mg^{2+}$</TEX>]/[ionophore]) complex were formed. The range of detection was 0.24ppm~2.4ppm and <TEX>$Ca^{2+}$</TEX> and EDTA were interfered in the determination of <TEX>$Mg^{2+}$</TEX>.
- keywords
- Ionophore(N, N'-dihexyl- N, N' - dimethyl-1, 4-butadion-diamide), Atomic absorption spectrometric determination of <TEX>$Mg^{2+}$</TEX>, Salting-out extraction technique
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