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National Repository of Grey Literature 1 records found  Search took 0.05 seconds. 
Determination of alkylphenols, alkylphenolmonoethoxylates and alkylphenoldiethoxylates in water
 Hubka, T. ; Komárek, K. ; Kandelová, M. ; Šafaříková, Miroslava ; Šafařík, Ivo
The paper was focused on the determination of alkylphenols and their ethohxylates in water. Analytes were extracted by liquid extraction and magnetic solid phase extraction. For the preconcentration magnetically modified fillings for gas chromatography were tested. The yields of extraction were 30 – 70 % for alkylphenols with short alkyl chain and 60 – 100% for alkylphenols with the middle long chain. The yields of extraction were around 98% for nonylphenolmonoethoxylates and diethoxylates.
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