Low-temperature chemistry experiment in fume booth

Low-temperature chemistry experiment in fume booth

T875/0416

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Caption

Low-temperature chemistry. A chemist pouring liquid nitrogen around a reaction vessel during an experiment in low-temperature chemistry. The yellow liquid in a delivery flask (centre) is one of the reagents. To the left of this is a dessicating column. This allows air into the reaction vessel, but removes the water vapour with silica gel and by condensation. At far left is a cylinder of anhydrous ammonia gas. Nitrogen is liquid below 77.4 Kelvin (minus 195.7 Celsius), and is the most common cryostatic coolant used in laboratories.

Release details

Model release available. Property release not required.

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