DR MARK J. WINTER / SCIENCE PHOTO LIBRARY DR MARK J. WINTER / SCIENCE PHOTO LIBRARY
Carboxymethyl cellulose (CMC), molecular model. This cellulose derivative has a number of uses in industry. It is used in lubricants, medicines, detergents and as a thickener and stabiliser in foods. Atoms are represented as sphere and are colour-coded: carbon (blue) hydrogen (gold) and oxygen (red). Sodium ions are purple.
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