Determination of phenols in water see also Section

Extraction of the water sample with n-hexane. Derivatization with penta-fluorobenzoyl chloride. GC measurement with double ECD and two capillary columns of different polarity. 

100 ml round-bottomed flask with 1-ml tip Injection syringes 100 pi, 230 pi, 500 pi 

1-litre wide-necked reagent bottles with conical shoulders, with tilting pipettes 10 ml, 20 ml, 30 ml 

GC with double ECD and 2 capillary columns of different polarity Plotter etc. 

for example from Millipore superpure water analysis 

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