2000
DOI: 10.1016/s0021-9673(00)00866-9
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Retention properties of the fluorinated bonded phase on liquid chromatography of aromatic hydrocarbons

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Cited by 37 publications
(26 citation statements)
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“…This shows that two factors affect the retention of phenoxypropionic derivatives the number of chlorine atoms and their positions on the herbicide aromatic ring (Figure 2). This was consistent with literature on FSP [2,3]. The more halogenated atoms in the solutes, the more they were retained on the FSP by dipole-dipole interactions.…”
Section: Herbicide Transfer From the Bulk Mobile Phase To The Fluorinsupporting
confidence: 92%
See 1 more Smart Citation
“…This shows that two factors affect the retention of phenoxypropionic derivatives the number of chlorine atoms and their positions on the herbicide aromatic ring (Figure 2). This was consistent with literature on FSP [2,3]. The more halogenated atoms in the solutes, the more they were retained on the FSP by dipole-dipole interactions.…”
Section: Herbicide Transfer From the Bulk Mobile Phase To The Fluorinsupporting
confidence: 92%
“…An alternative method which can be explored is the use of a stationary phase more polar than the C~8 phase, for example a fluorinated stationary phase (FSP). FSP have remarkable capacity to separate isomers or closely related compounds, especially molecules with fluorine and chlorine substituents [2]. FSP are also highly chemically and physically stable, enabling repeated use without loss of performance and reproducibility.…”
Section: Introductionmentioning
confidence: 99%
“…O resultado deste estudo mostrou que a FE fluorada apresentou maior interação com os compostos fluorados que as FE não fluoradas. Estes resultados despertaram o interesse em investigar estas FE e uma série de estudos [95][96][97][98][99][100][101] estão sendo realizados em vista da especificidade destas FE, principalmente comparando-as com as FE não fluoradas.…”
Section: Fases Estacionárias Fluoradasunclassified
“…The phenyl and fluorinated phases offer the potential for π-π interactions and show different selectivity in comparison to STATIONARY the alkylsilane phases [17][18][19][20][21]. The fluorinated phases have shown some size and shape selectivity, particularly for aromatic molecules [22,23]. Moreover, with phenyl-type phases, selectivity/separation differences could be obtained when methanol or acetonitrile is employed.…”
Section: Stationary Phases For Rplcmentioning
confidence: 99%
“…Using equation (4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22)(23), the w w pK a at 30 v/v% acetonitrile was estimated to be 4.5. w w pK a = 3.9 + (30 v/v% MeCN)*0.02 = 4.5. Similar pH studies were conducted with 40 and 50 v/v% MeCN compositions, and the respective s s pK a (experimental) and w w pK a (predicted) values are shown in Table 4-10.…”
Section: Determination Of Chromatographic Pk Amentioning
confidence: 99%