Evaporation residues
Wall Art and Photo Gifts from Science Photo Library
Evaporation residues
Evaporation residues from distilled water (left) and hard water (right). Distilled water has had all its ions removed. Hard water contains dissolved mineral salts, usually magnesium and calcium carbonates and sulphates. These are left behind as white crystals when the water evaporates
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6294495
© ANDREW LAMBERT PHOTOGRAPHY/SCIENCE PHOTO LIBRARY
Blue Comparing Comparison Glasses Hard Mineral Residue Salt Salts Distilled Evaporate Laboratory
EDITORS COMMENTS
This print from Science Photo Library showcases the stark contrast between evaporation residues from distilled water and hard water. On the left, we see a glass containing distilled water, which has been stripped of all its ions. In contrast, on the right is a glass filled with hard water, rich in dissolved mineral salts such as magnesium and calcium carbonates and sulphates. As the water evaporates, it leaves behind mesmerizing white crystals that are clearly visible in both glasses. The distinct difference in these residue formations highlights the impact of minerals present in our everyday drinking water. The image captures not only a scientific phenomenon but also serves as a reminder of how essential chemistry is to our daily lives. It prompts us to ponder over the quality of our own tap or bottled waters and consider their mineral content. Through this duo composition, we witness an intriguing comparison between two types of waters - one pure and devoid of any impurities while the other enriched with valuable minerals. This visual representation invites us to explore further into the world of chemical reactions and understand how they shape our environment. Science Photo Library once again impresses with their ability to capture complex concepts through visually stunning imagery that sparks curiosity within viewers' minds.
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