standards
Parabens- Mix 4, Cat.-No.: 13750 - 13752
| Parabenes - Mix 4 | 13750 | 13751 | 13752 |
|
Methylparaben Ethylparaben n-Propylparaben n-Butylparaben |
10 µg/ml 10 µg/ml 10 µg/ml 10 µg/ml |
100 µg/ml 100 µg/ml 100 µg/ml 100 µg/ml |
1 000 µg/ml 1 000 µg/ml 1 000 µg/ml 1 000 µg/ml |