2001
DOI: 10.1002/1615-9314(20011201)24:12<899::aid-jssc899>3.0.co;2-k
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Temperature programming in liquid chromatography

Abstract: The present state of temperature programming in liquid chromatography, including electrochromatography, is reviewed. A relatively limited number of papers making use of temperature programming as a technique in LC has been published so far, while the various effects of temperature are frequently discussed. As a part of the ongoing trend of miniaturization in chromatography, the active use of temperature as a variable in LC is expected to increase significantly. This paper includes an overview of the effects of… Show more

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Cited by 70 publications
(43 citation statements)
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“…3,4 The use of a miniaturized column also permits an effective employment of temperature-programmed elution, due to a smaller heat capacity of the column. Although the effect of the temperature in typical LC using a chemically modified silica-based material, such as octadecylsilica (ODS), has been regarded as a minor parameter affecting the separation when compared with that in gas chromatography (GC) separation, the temperature effect on LC separation has been studied; [4][5][6] also the advantages in high-temperature LC have been reviewed by Greibrokk et al 7,8 Teutenberg et al determined the vapor pressures, viscosities and static permittivities of simple solvents and binary solvent mixtures used in reversed-phase liquid chromatography in given temperature ranges, and extensively discussed the influence of temperature on reversed-phase LC along with the strategy for temperature programming. [9][10][11][12][13][14] By introducing fine fibrous materials as the extraction medium, several novel microscale sample preparation techniques were developed based on excellent resistance to typical organic solvents.…”
Section: Introductionmentioning
confidence: 99%
“…3,4 The use of a miniaturized column also permits an effective employment of temperature-programmed elution, due to a smaller heat capacity of the column. Although the effect of the temperature in typical LC using a chemically modified silica-based material, such as octadecylsilica (ODS), has been regarded as a minor parameter affecting the separation when compared with that in gas chromatography (GC) separation, the temperature effect on LC separation has been studied; [4][5][6] also the advantages in high-temperature LC have been reviewed by Greibrokk et al 7,8 Teutenberg et al determined the vapor pressures, viscosities and static permittivities of simple solvents and binary solvent mixtures used in reversed-phase liquid chromatography in given temperature ranges, and extensively discussed the influence of temperature on reversed-phase LC along with the strategy for temperature programming. [9][10][11][12][13][14] By introducing fine fibrous materials as the extraction medium, several novel microscale sample preparation techniques were developed based on excellent resistance to typical organic solvents.…”
Section: Introductionmentioning
confidence: 99%
“…A técnica HPLC tem mostrado considerável aplicação na separação de inúmeros compostos em matrizes biológicas, ambientais, alimentícias, entre outras 95 . A partir da década de 80, com o advento das técnicas CE e CEC, novos estudos de separação para uma gama de amostras foram conduzidos a partir da complementação das téc-nicas citadas 96 .…”
Section: Emprego De Mip Em Técnicas Cromatográficas E Eletroforéticasunclassified
“…Como a LC é usualmente mais robusta a pequenas alterações na temperatura, em comparação a alterações no pH, ou na composição da fase móvel, este parâmetro é, usualmente, negligenciado nesta técni-ca, o que não deveria ocorrer. Greibrokk e Andersen 5 comentam que a negligência da utilização da temperatura como parâmetro a ser otimizado está relacionada com o fato de que a LC é uma técnica parcialmente preparativa, e que a programação de temperatura é difícil de ser implementada em colunas grandes, devido ao gradiente radial de temperatura resultante. Assim, muitas pessoas têm estado satisfeitas com os resultados obtidos à temperatura ambiente, antes do surgimento da miniaturização.…”
Section: Cromatografia Líquida a Alta Temperaturaunclassified