Asynt develops new 'oil-free' bath to improve performance and reduce mess

Published: 1-May-2004


Asynt has developed an 'oil free' bath, the DrySyn, that can be used in conjunction with the standard stirring hotplate found in every lab. It is designed to improve upon the commonly used oil bath.

The company claims the DrySyn offers a clean and effective method of heating and stirring a reaction without the mess of an oil bath. It can be heated to temperatures of 200°C without hot oil issues and allows the chemist to utilise standard round bottom reaction flasks of 50ml to 1000ml capacities with specially designed inserts for the smaller sizes.

Recent tests undertaken show that DrySyn not only competes with the oil bath in temperature transferability but also offers many advantages over the commonly used heating mantle option.

'The tests all used water as a worst case solvent and common organic solvents would reach reflux in considerably shorter times due to their lower specific heats,' Dr Norman De'Ath from NJD Scientific Consultancy says. 'In terms of heating performance it proved equal to the best custom fitted oil baths available and would be superior to the majority of improvised baths many chemists use.'

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