User guide
Paramagnetic O2 Purity Analyzer Analysis Unit
Teledyne Analytical Instruments 73
Example:
Cross sensitivity calculation for a gas mixture:
The gas to be measured consists of 10 % CO
2
, 40 % N
2
, and 50% Ar.
Calculation of the zero value:
Table 6-2: Cross Sensitivity of Various Gases
Gas Cross Gas Cross
Sensitivity Sensitivity
in vol. % in vol. %
Acetylene C
2
H
2
-0.24 Hydrogen chloride HCl -0.30
Allene C
3
H
4
-0.44 Hydrogen Fluoride HF +0.10
Ammonia NH
3
-0.26 Hydrogen Iodide HI -1.10
Argon Ar -0.22 Hydrogen Sulphide H
2
S -0.39
Bromine Br
2
-1.30 Iodine l
2
-2.40
1.2 Butadiene C
4
H
6
-0.49 Isobutane C
4
H
10
-1.11
1.3 Butadiene C
4
H
6
-0.49 Isopentane C
5
H
12
-1.49
n-Butane C
4
H
10
-1.11 Krypton Kr -0.51
l-Butane C
4
H
10
-0.85 Laughing gas N
2
O -0.20
cis 2- Butene C
4
H
8
-0.89 Methane CH
4
-0.20
trans 2 Butene C
4
H
8
-0.92 Neon Ne +0.13
Carbon dioxide CO
2
-0.27 Neopentane C
5
H
12
-1.49
Carbon monoxide CO +0.06 Nitric acid HNO
3
+0.43
Chlorine Cl
2
-0.77 Nitrogen dioxide NO
2
+28.00
1370 :ceInterferen Cross Total
110.0%5022.0:
027.0%1027.0: CO2
.
Ar
137.00.137--0%
ValuePoint Zero Value eInerferenc Cross - 0%O2










