Science, Maths & Technology
Sniffing out signs of life
...research on VOCs? First, we must first capture the VOCs. They are found either in the air or produced by a solid or liquid. Air samples are easy to collect; we simply use a pump to collect them either into a bag or on to special materials (called sorbents) that hold on to the VOCs until they can be analysed. Solid or liquid samples are sealed into special bags and the...