What is a Part Per Million (PPM)?
Measuring Acetone to Hydrogen sulphide, Benzene to Xylene, if you are measuring harmful gases, you are likely to measure them using PPM units. Parts Per Million is self-explanatory, it’s simply the number of gas molecules in a million but what does PPM look like?
This simple video offers a clear graphical representation of Part Per Million followed by Part Per Billion!
Need to know more about harmful gases?
Gas fact sheets are available to download for many harmful gases. They not only contain background information like the chemical’s history, they include where the gas is used and harmful effects.