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Size exclusion chromatography of aluminium species in natural waters

✍ Scribed by Lillian Zernichow; Walter Lund

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
484 KB
Volume
300
Category
Article
ISSN
0003-2670

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✦ Synopsis

Size exclusion chromatography was used in order to characterize organically bound aluminium in natural water samples. A Superose column was used, with 0.1 M acetate buffer (pH 4.6) as mobile phase. Three detection systems were used; graphite furnace atomic absorption spectrometry, post-column reaction with pyrocatechol violet and UV spectrometry at 254 nm. A single peak was obtained for organic aluminium in natural waters. The results indicated that aluminium binds with a broad size range of humic substances, and that the inorganic aluminium was present in polymeric form.

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## Abstract The evaluation of heterogeneous polymeric species by a selective, dual detector size‐exclusion chromatography setup can provide accurate results on the incorporation of specific functional groups in copolymers as a function of the molar mass distribution. However, when non‐UV‐absorbing