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Determination of bromide in snow samples by ion chromatography with electrochemical detection

✍ Scribed by S. Seefeld; U. Baltensperger

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
458 KB
Volume
283
Category
Article
ISSN
0003-2670

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✦ Synopsis

Ion chromatography with electrochemical detection was applied to the determination of bromide in snow samples. Greater reproducibility and increased sensitivity was obtained by coating the silver electrode with a highly insoluble AgI surface. Without preconcentration, a detection limit of less than 1 pg 1-l was achieved. With preconcentration, snow samples from a high-alpine site with bromide concentrations as low as 90 ng 1-i could be analyzed.

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