Using a filter paper and funnel. Illustration showing how to fold a laboratory filter paper for use in a funnel | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Jensen, Mikkel Juul |
Bildgröße: | 2287 px × 7639 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |