"– in this particular case," or ", in which case,"

[eyefordetail]

Exception applies to experiments involving hot solvent solution – in this particular case, the emergency procedure is to switch off heating (leave cooling equipment on) and leave N2 purging on.

or

Exception applies to experiments involving hot solvent solution, in which case, the emergency procedure is to switch off heating (leave cooling equipment on) and leave N2 purging on.

Thanks

 

[Pangus]

Both fine but the first one emphasizes that this is an exception and that there are other emergency procedures

 

[Raymott]

Exception applies to experiments involving hot solvent solution. In this particular case, the emergency procedure is to switch off heating (leave cooling equipment on) and leave N2 purging on.

or

Exception applies to experiments involving hot solvent solution, in which case, the emergency procedure is to switch off heating (leave cooling equipment on) and leave N2 purging on.

Thanks

They could be written better, but there is a difference. The second gives the exception to use in all cases involving hot solvent solutions. The first gives the procedure for this particular hot solvent solution.