System for the determination of phenoxyalkane carboxylic acids in water

Extraction in an acid medium with dichloromethane, HPLC measurement on RP-C18 column with UV detection. 

HPLC device with UV detector 1-litre separating funnel Funnel 

230-ml round-bottomed flask with 1-ml tip 1-litre measuring cylinder 1-ml pipettes 

300-ml Erlenmeyer flask with 30-ml tilting pipette Water, e.g. from Millipore superpure water system NaCl ignited at 30 °C Na2SOif. ignited at 30 °C 2 m H2SOZ1. 

Phenoxyalkane carboxylic acids, approx. 10 pg/ml in nanograde methanol (see empirical list,. 2.6) 

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System for the determination of phenoxyalkane carboxylic acids in water General remarks... 

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