A method for determination of a surfactant, sodium dodecyl sulfate (SDS), in the presence of a charged water soluble polymer is presented. SDS was determined by pyrolysis GC using a flame photometric detector. SDS was pyrolyzed at an optimized pyrolysis temperature of 700 °C. The SO2 peak was used for quantification of SDS, which was determined in the range between 10 ng and 20 µ §.
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