Schlenk safety

There are a number of potential hazards associated with the use of Schlenk lines, and care needs to be taken to ensure safe operation. This page outlines some of these hazards and vigilance required for safe operation. It is important to be aware of how to work safely using a Schlenk line, and to plan for actions to be taken in the event of things going wrong.

Familiarisation with the line

The design of Schlenk lines is hugely varied, and it is important that you are familiarised with the specific design being used before undertaking any work. Understanding the configuration of the line, though knowing how things are connected together, the expected pressures (for both nitrogen and vacuum) and how the taps work are crucial aspects of ensuring any Schlenk line work is carried out in a safe manner.

Experienced Schlenk line users may be able to inspect the line and self-familiarise with the operations, but less experienced users must be familiarised with a specific line by someone who understands the workings of that line.

Use of high vacuum (low pressures)

Glassware on the line is exposed to high vacuum, which has the potential for implosion. All glassware being subjected to vacuum on the line should be inspected for any chips or cracks which could cause a hazard.

Use of a liquid nitrogen trap

Potential for burns or injury from disposable gloves

T

Condensing of oxygen

The 

Condensing of solvent

With oxygen

Blocking trap

Pressurised inert gas

Over-pressurisation, needle exits

Expected pressure readings and potential leaks

Over-pressurisation, needle exits