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Dutch to English translations [PRO] Tech/Engineering - Environment & Ecology / spectroscopic analysis
Dutch term or phrase:kwikspeciatie
Met deze technieken worden enerzijds kwikspeciatie (anorganische en organische kwikverbindingen) in natuurlijke aquatische
sedimenten en anderzijds anionenbepalingen in oplossing (regenwater, rivierwater) doorgevoerd.
a) Identificeren en kwantificeren van de verschillende kwikcomponenten in sedimentstalen via gaschromatografie-cold vapour
atomaire fluorescentie spectroscopie (GC-CVAFS).
b) Bepalen van de retentietijden van nitriet, nitraat, sulfaat, fosfaat en chloor met ionenuitwisselingschromatografie.
Speciation refers to the evolutionary process by which new biological species by which new biological species arise.
Be careful, "speciatie" is an invented word originating from the improper use of the term speciation in English!
Explanation: Mercury has been known to man for millenia. Even though the most excessive use in industry and agriculture has ceased due to the poisonous and insidious nature of mercury and mercury compounds, methylmercury may still be found at high concentrations (0.5 - 1.0 mg/kg) in fish caught in rurual parts of Sweden, Canada and the US. Since most of the mercury found in the atmosphere is in its metallic form, in natural waters as divalent inorganic mercury, and in fish as monomethylmercury, the need for analytical methods able to differentiate between these mercury species is obvious (such determinations are termed "speciation").