Chromatographic behaviour of inorganic anions on a SEPHADEX G-15 (cas 11081-40-6) column

Add time:07/24/2019    Source:sciencedirect.com

Citrate, sulphate, oxalate, chromate, carbonate, fluoride, acetate, formate, iodate, bicarbonate, bromate, chloride, nitrite, chlorate, bromide, nitrate, iodide, perchlorate and thiocyanate (each with sodium as counter-ion) were applied to a column of SEPHADEX G-15 (cas 11081-40-6), and elution was carried out with sodium chloride solution. The elution behaviour of the anions could be followed by examining the concentration distribution of the background electrolyte (sodium chloride) by argentimetry; the elution order of the anions was in accord with the lyotropic series. The elution mechanism and the possibility of quantitative separation of the anions by gel chromatography are discussed.

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