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Evaluation of 4-amino-2-hydroxybenzoic acid as an eluent for indirect photometric determination of uncommon anions (1990)

Mehra, M. C. ; Pelletier, C.

Springer

Chromatographia 30 (1990), S. 337-338

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ISSN: 1612-1112

Keywords: Ion chromatography ; Indirect photometric detection ; 4-amino-2-hydroxybenzoic acid ; N 3 − , OCN−, HCOO−, CH3COO−, C2H5COO− and ; NH2SO 3 − ions

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Summary The efficacity of 4-amino-2-hydroxybenzoic acids as an eluent for the separation and determination of uncommon anions has been evaluated. The intensely absorbing eluent (λmax 320 nm) offers a convenient indirect photometric approach to quantitate the species of interest in ppm and sub-ppm range. In the singlecolumn ion chromatography mode at 2 mM/2 mL/min and pH=6.0, clean separations of common and uncommon anions can be realized.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF02319719

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