| Substances |
1
Methylparaben
2 p-Hydroxybenzoic acid 3 Ethylparaben 4 Dehydroacetic acid 5 n-Propylparaben 6 Sorbic acid 7 Benzoic acid 8 Isobutylparaben 9 n-Butylparaben 10 Salicylic acid |
|---|---|
| Eluent | 0.05 M NaH₂PO₄ , pH 4.5 + 4 mM cetyltrimethylammonium chloride / MeOH / ACN = 50 / 35 / 15 |
| Flow Rate | 0.8 ml / min |
| Detection | 235 nm |
| Product number | GSOD30512s2504 |
| Pore size | 5 µm |