4 ms·
could this method detect really small concentrations? for example, in the 1 PPM range
by trumped 8y ago
could this method detect really small concentrations? for example, in the 1 PPM range
- ssivark 8y agoIn my understanding, the relevant quantity determining attenuation is the integrated amount of material in the column between the source and the observer. So, the small density is compensated by the large volume of column (distance to source).