Abstract
Association constants were used to determine the effective concentration of bis(ethylhexyl) tetrachlorophthalate (EHTCP) in the system EHTCP-squalane on a diatomite support with a specific surface of 0.5 m 2/g (Polsorb B NAW) at different coverages of the support by the stationary phase. It was shown that, even with relatively large amounts of the stationary phase (10%), the effective concentration of the polar component is lower than the original concentration. Retention data of aromatic and aliphatic oxygen-containing compounds , measured at different temperatures, were used.
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