INGRESS of mercury vapour from mercury vapour condensation pumps into systems undergoing evacuation is prevented in practice by freezing out the mercury vapour in liquid air-cooled traps. The chief ...

Add articles to your saved list and come back to them any time. A face full of fumes while refuelling at a service station will be a thing of the past under a NSW government pollution reduction plan.

As is well known, the speed and simplicity of the mercury vapour condensation pump has led to its almost universal adoption in the production of extremely high vacua. It suffers from the disadvantage ...