LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Edetic acid. Molecular model of the polyamino carboxylic acid known as edetic acid (C10.H16.N2.O8). It is also known as ethylenediaminetetraacetic acid (EDTA) and is widely used to dissolve limescale. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white), nitrogen (blue) and oxygen (red). Illustration.
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