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  4. M02.004 Quantitative determination of mercury in aqueous samples by atomic absorption spectroscopy
 
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M02.004 Quantitative determination of mercury in aqueous samples by atomic absorption spectroscopy

Citation Link: https://doi.org/10.15480/336.2191
Type
Text
Date Issued
2017-04-18
Author(s)
Fütterer, Cordula  
L1 Anorganische Analytik  
Stahl, Alina  
Zentrallabor Chemische Analytik  
Language
English
Institute
Zentrallabor Chemische Analytik L  
DOI
10.15480/336.2191
TORE-URI
http://hdl.handle.net/11420/2349
Abstract
Determination of mercury(I) and (II) in different types of water such as potable water, surface water, rainwater and wastewater is carried out by means of a flow injection mercury system (FIMS) which uses atomic absorption as detection (AA). To oxidize the mercury in its divalent form, aqueous samples are treated with KBr- KBrO3. After that, tin(II) chloride reduces Hg2+ to elementary mercury. This elementary mercury can be analysed by FIMS at the wavelength of 253,7 nm. The concentration in samples is quantified with an external calibration and results are reported in µg/L or mg/L.
Subjects
Analytical method
Determination of Mercury
aqueous samples
DDC Class
540: Chemie
License
https://creativecommons.org/publicdomain/zero/1.0/
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