Abstract
Quantitative aspects of indirect UV absorbance detection in capillary zone electrophoresis were studied using the separation of sodium alkylsulphate surfactants as a model system. Nearly uniform response factors, excellent reproducibility of electrophoretic mobilities and linearity of the detection signal can be obtained when veronal buffer is used as the UV-absorbing background electrolyte. The feasibility of the system for the analysis of commercial mixtures of primary sodium alkyl sulphates is demonstrated.
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