Water evaporation residues. Evaporation residues from distilled water (left) and hard water (right) in watch glasses. When water evaporates, it leaves behind dissolved and suspended impurities. Distilled water has its impurities removed. Hard water contains some mineral salts, most commonly carbonates and sulfates. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Turtle Rock Scientific |
Bildgröße: | 5139 px × 3433 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |