DR MARK J. WINTER / SCIENCE PHOTO LIBRARY DR MARK J. WINTER / SCIENCE PHOTO LIBRARY
Glycerine, molecular model. Glycerine, also known as glycerol, is a sweet viscous liquid obtained from fats and oils. It is a by-product of soap-making and biodiesel production that has a number of uses. It is used in cosmetics, medicines, lubricant and solvents and as a sugar-substitute and filler in foods. Atoms are represented as spheres and are colour-coded: carbon (blue), hydrogen (gold) and oxygen (red).
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