
Hg Fluorescence when diluting
with Air vs. diluting with Nitrogen
Mercury Fluorescence, Pressure
Dependence
for Samples at constant Mixing Ratio
0
1
2
3
4
5
6
7
8
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Sample Chamber Pressure, atmospheres
absolute
Relative
Fluorescence Intensity
0.00
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
0.90
1.00
Relative
Background Signal
Mercury in Nitrogen
Mercury in Air
Raleigh scattering
CEMS MDL = 0.008
microgram/m3
CEMS MDL = 0.040
microgram/m3