Analysis of ions in polar ice core samples by use of large injection volumes in ion chromatography

Comparison of analytical results for chloride, sulfate and nitrate obtained from adjacent ice core samples by two ion chromatographic methods

“…[2][3][4] Ion chromatography exhibits high sensitivity and is well suited for the analysis of low concentrations of soluble ions in ice core samples without pretreatment. [5][6][7][8] Various ion chromatographic techniques using different columns, eluents and methods (gradient, isocratic, suppressed, non-suppressed) have been used in glaciochemical analyses, [9][10][11] and recently a continuous flow injection system has been used in ion determinations. 12 To get reasonable detection limits for all ions using a continuous melting device, separations and detections must be achieved using ion chromatographs.…”

Simultaneous determination of fluoride, chloride, nitrite, bromide, nitrate, phosphate and sulfate in aqueous solutions at 10−9 to 10−8% level by ion chromatography

“…Nowadays discrepancy of detection limits (10 −8 to 10 −7 %) in various works is observed [6][7][8]. In these publications, the data on blank experiment using large sample volume injection were absent, and simultaneous determi-…”

Interest of indirect photometric detection in liquid chromatography of inorganic anions in natural waters

“…Inorganic anion chromatography [1][2][3] on anion exchange column is a standard analytical methodology and only some references are given. Detection is mainly performed by indirect photometry [3][4][5] introduced by Small and Miller [6] or conductivity with or without chemical suppression [7][8][9][10][11]. The aim of this work was to confirm the convenience of a simple and conventional liquid chromatographic system (isocratic pump, manual injector, column, UV detector and integrator), which is available in all analytical laboratories, for main anion analysis in water samples.…”