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Paramagnetic O2 Purity Analyzer
Example:
Cross sensitivity calculation for a gas mixture:
The gas to be measured consists of 10 % CO
Total
Calculation of the zero value:
0%O2
-
Cross
Table 6-2: Cross Sensitivity of Various Gases
Gas
Acetylene C
H
2
2
Allene C
H
3
4
Ammonia NH
3
Argon Ar
Bromine Br
2
1.2 Butadiene C
H
4
6
1.3 Butadiene C
H
4
6
n-Butane C
H
4
10
l-Butane C
H
4
10
cis 2- Butene C
H
4
8
trans 2 Butene C
H
4
8
Carbon dioxide CO
2
Carbon monoxide CO
Chlorine Cl
2
Teledyne Analytical Instruments
CO2
:
. 0
27
10
%
Ar
:
. 0
22
50
%
Cross
Interferen
ce
:
Inerferenc
e
Value
Zero
0%
-
-
0.137
Cross
Gas
Sensitivity
in vol. %
-0.24
Hydrogen chloride HCl
-0.44
Hydrogen Fluoride HF
-0.26
Hydrogen Iodide HI
-0.22
Hydrogen Sulphide H
-1.30
Iodine l
-0.49
Isobutane C
-0.49
Isopentane C
-1.11
Krypton Kr
-0.85
Laughing gas N
-0.89
Methane CH
-0.92
Neon Ne
-0.27
Neopentane C
+0.06
Nitric acid HNO
-0.77
Nitrogen dioxide NO
Analysis Unit
, 40 % N
, and 50% Ar.
2
2
. 0
027
. 0
110
0
.
137
Point
Value
. 0
137
Sensitivity
in vol. %
S
2
2
H
4
10
H
5
12
O
2
4
H
5
12
3
2
Cross
-0.30
+0.10
-1.10
-0.39
-2.40
-1.11
-1.49
-0.51
-0.20
-0.20
+0.13
-1.49
+0.43
+28.00
73
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