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Correlations between the separation selectivity in aqueous and non-aqueous reversed-phase systems and in normal-phase systems were investigated. The degree of correlation between the selectivity in separation systems can be useful indicator of suitability of phase systems for two-dimensional HPLC separations. The real gain in peak capacity improves as the orthogonality of separation systems increases...
Summary An HPLC method has been developed for the determination of chlorobenzenes, benzenesulphonyl chlorides, benzenesulphonic acids and related compounds in industrial waste water. The separation and determination of diphenylsulphone, 1,4-dichlorobenzene, 1,2,3,4-tetrachlorobenzene 1,2,3,5-tetrachlorobenzene and pentachlorobenzene was performed in reversed-phase system with octadecylsilica gel stationary...
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