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首页> 外文期刊>Analytical Sciences >Separation of Pollutant Phenols by Micellar Electrokinetic Chromatography with Double-Chain Surfactants Having Two Sulfonate Groups
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Separation of Pollutant Phenols by Micellar Electrokinetic Chromatography with Double-Chain Surfactants Having Two Sulfonate Groups

机译：胶束电动色谱-含两个磺酸盐基团的双链表面活性剂分离污染物酚

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摘要

The separation of eleven priority (EPA) phenols and eighteen chlorophenols via micellar electrokinetic chromatography (MEKC) is described. Disodium 5,12-bis(dodecyloxymethyl)-4,7,10,13-tetraoxa-1,16-hexadecanedisulfonate (DBTHX), disodium 5,13-bis(dodecyloxymethyl)-4,7,11,14-tetraoxa-1,17-heptadecanedisulfonate (DBTHP) and disodium 5,13-bis(dodecyloxymethyl)-4,7,11,14-tetraoxa-9,9-dimethyl-1,17-heptadecanedisulfonate (DBTDMHP) were used as the double-chain surfactants. The EPA phenols were baseline separated by MEKC with 7.5 mM DBTHP. The detection limits of the phenols for a signal-to-noise ratio of 3 were in the range 0.5×10-2 - 3.0×10-2 mM. The relative standard deviation (RSD) of the capacity factors and peak areas for the phenols over the range of 0.31 - 1.8 mM were 0.21 - 1.4% and 1.9 - 4.3%, respectively. The separations of eighteen chlorophenols together with phenol were also carried out by MEKC with these surfactants. These phenols except for 2,3,5- and 2,4,5-trichlorophenol could each be separated with 10 mM DBTHX.
机译：描述了通过胶束电动色谱法（MEKC）分离11种优先（EPA）酚和18种氯酚的方法。 5,12-双（十二烷氧基甲基）-4,7,10,13-四氧杂1,16-十六烷二磺酸二钠（DBTHX），5,13-双（十二烷氧基甲基）-4,7,11,14-四恶二钠1,17-十七烷二磺酸盐（DBTHP）和5,13-双（十二烷氧基甲基）-4,7,11,14-四氧杂-9,9-二甲基-1,17-十七烷二磺酸二钠（DBTDMHP）被用作双链表面活性剂。 EPA酚通过MEKC和7.5 mM DBTHP进行基线分离。信噪比为3时，酚的检出限为0.5×10-2-3.0×10-2 mM。苯酚的容量因子和峰面积在0.31-1.8 mM范围内的相对标准偏差（RSD）分别为0.21-1.4％和1.9-4.3％。 MEKC还使用这些表面活性剂进行了18种氯酚与苯酚的分离。这些苯酚，除了2,3,5-和2,4,5-三氯苯酚外，都可以用10 mM DBTHX分离。

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