Abstract
A modification of closed loop stripping analysis that considerably reduces the problem of contamination of the standard system is reported. This modification also makes the system more flexible in regard to stripping temperature and flow-rate of the purging gas. This modification, designated the straight and open system, allows the stripping technique to be utilized without sacrificing sensitivity or capacity, but gives very few blank peaks in the subsequent high resolution gas chromatogram. A case study of trace organics in the Motala river is presented. This river is a raw water source for water works and is a recipient for industries and sewage plants.
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