1. Pantothenyl ethyl; 2. Methyl phydroxybenzoate; 3. Salicylic acid; 4. Benzyl nicotinate; 5. 4-Isopropyl-3-methylphenol; 6. Butyl phydroxybenzoate; 7. Monoammoniumglycyrrhizinate; 8. Trichlorocarbanilide; 9. 2,6-Di-tert.-butyl-4-methylphenol; 10. Pyridoxine dioctanoate; 11. Tocopheryl acetate; 12. Stearyl glycyrrhetinate
Determination of multiple Additives in cosmetics
Article number: VEV0008J
| Method | HPLC |
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| Sample | Cosmetics |
| Eluent | Methanol / Water (35:65), adjusted to pH 2.5 with Phosphoric acid |
| Gradient | 26 min linear gradient to Methanol / Phosphoric acid (1000:1) 12 min final elution |
| Flow rate | 1.0 ml/min |
| Mode | RP mode |
| Injection volume | 20 µl (50 µg/ml of each component) |
| Temperature | Ambient |
| Detection | UV at variable wavelengths (205 nm, 230 nm, 255 nm, 285 nm) |
| Substances | Benzyl nicotinate, Butyl p-hydroxybenzoate, 2,6-Di-tert.-butyl-4-methylphenol, 4-Isopropyl-3-methylphenol, Methyl p-hydroxybenzoate, Monoammonium glycyrrhizinate, Pantothenylethylether, Pyridoxine dioctanoate, Salicylic acid, Stearyl glycyrrhetinate, Trichlorocarbanilide, Tocopheryl acetate |
| Key words | Additives, cosmetics |
| Chromatogram | 1. Pantothenyl ethyl 2. Methyl phydroxybenzoate 3. Salicylic acid 4. Benzyl nicotinate 5. 4-Isopropyl-3-methylphenol 6. Butyl phydroxybenzoate 7. Monoammoniumglycyrrhizinate 8. Trichlorocarbanilide 9. 2,6-Di-tert.-butyl-4-methylphenol 10. Pyridoxine dioctanoate 11. Tocopheryl acetate 12. Stearyl glycyrrhetinate
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Chromatogram VEV0008J | 1. Pantothenyl ethyl; 2. Methyl phydroxybenzoate; 3. Salicylic acid; 4. Benzyl nicotinate; 5. 4-Isopropyl-3-methylphenol; 6. Butyl phydroxybenzoate; 7. Monoammoniumglycyrrhizinate; 8. Trichlorocarbanilide; 9. 2,6-Di-tert.-butyl-4-methylphenol; 10. Pyridoxine dioctanoate; 11. Tocopheryl acetate; 12. Stearyl glycyrrhetinate |
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VertexPlus Column 250 x 4 mm Eurospher 100-5 C18 | 25DE181ESJ | VertexPlus Column 250 x 4 mm Eurospher 100-5 C18 |
Technical data are subject to change without notice.