## Abstract The simultaneous determination of four __para__‐hydroxybenzoic acid esters (parabens) in shampoos was studied by liquid chromatography (LC) with amperometric (LC‐AD) and coulometric (LC‐CD) detection. The parabens were separated on an ODS C18 reversed column by isocratic elution with a
✦ LIBER ✦
Comparative study of some columns for direct determination of carbofuran by gas—liquid chromatography with nitrogen-specific detection
✍ Scribed by Concepcion F. Ling; Gonzalo P. Melian; Fernando Jimenez-Conde; Eugenio Revilla
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 151 KB
- Volume
- 519
- Category
- Article
- ISSN
- 1873-3778
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