- P-ISSN 1225-0163
- E-ISSN 2288-8985
- P-ISSN1225-0163
- E-ISSN2288-8985
- SCOPUS, ESCI, KCI
Article Detail
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Uncertainties of ionic species in snowpit samples determined with ion chromatography system
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2012, v.25 no.6, pp.350-363
https://doi.org/10.5806/AST.2012.25.6.350
&
(2012). Uncertainties of ionic species in snowpit samples determined with ion chromatography system. , 25(6), 350-363, https://doi.org/10.5806/AST.2012.25.6.350
Abstract
To determine ionic species in snowpit samples using ion chromatography system, we described the performance of ion chromatography(IC) system, cleaning method of bottle, and interference by filtering procedure. The limit of detection, reproducibilities, and accuracies determined with BCR®-408 were 0.01-0.26 μg/L, 0.4-17.4%, 4.5-12.0% for cations and 0.02-0.26 μg/L, 0.1-27.6%, 1.3-5.6% for anions, respectively. Lab blank test for sample bottle indicated that CH3CO2−, HCO2−, and NH4+ can be easily contaminated in the lab environment. The positive interferences of NO3− were partly attributed to the cleaning method of bottle. The filtering of melted snow sample should be carefully applied because it can positively affect the concentration levels of some ionic species. Finally, this method was applied to measure ionic species in snowpit samples from the upward area near NEEM camp and the uncertainties of measurement data of F− were also estimated.
- keywords
- Ion chromatography system, snow, ice, uncertainties of measurement data
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