Bitumen

Bitumen

T110/0493 Rights Managed

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Credit: PAUL RAPSON/SCIENCE PHOTO LIBRARY

Caption: Bitumen being poured into a beaker. Bitumen is a product of the refining of crude oil. Crude oil is a mixture of hydrocarbons that is heated to separate it into parts called fractions. The lighter hydrocarbon fractions boil off and leave the heavier fractions behind. Bitumen is one of the heaviest and most viscous fractions, containing hydrocarbon chains with 70 or more carbon atoms. It boils at over 600 degrees Celsius. Bitumen is processed to make other products, and is also used in materials such as tar and asphalt. To compare the colour and viscosity of crude oil and its fractions, see T110/483-491 and T110/492-501.

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Keywords: beaker, bitumen, bottle, chemical, chemicals, chemist, chemistry, colour, colours, component, energy, equipment, fossil fuel, fraction, fuels, glove, gloved, gloves, hand, hydrocarbon, hydrocarbons, industry, jar, laboratory, oil, oil fraction, oil industry, oil product, oil products, pouring, product, refined, research, sequence, tar, viscosity

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