Abstract

Application of thin-layer and gas-liquid chromatography to qualitative and quantitative analysis of phosphoric and phosphorous esters A method for the qualitative and quantitative analysis of several phosphoric and phosphorous esters is described. Thin-layer chromatography is only a qualitative method and requires two solvents to distinguish the majority of these esters efficiently, whereas gas—liquid chromatography permits the qualitative analysis of a mixture of esters with a good resolution. However, some separations may be obtained by coupling gas—liquid chromatography and thin-layer chromatography. The quantitative analysis is possible with a 6σ resolution.

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