Cross sensitivities – M&C TechGroup PMA 50 EEX Operator's manual User Manual
Page 26
26
Gas sampling and gas conditioning technology
9-3.15-ME
20
CROSS SENSITIVITIES
The following table shows the cross sensitivities of the most important gases at 20°C and 50°C.
All values are based on a zero calibration with N
2
and a span calibration with 100 Vol.% O
2
. The
deviations are each valid for 100 Vol.% of the respective gas.
Gas
Molecular formula
20°C
50°C
Acetaldehyde
C
2
H
4
O
- 0,31
- 0,34
Acetone
C
3
H
6
O
- 0,63
- 0,69
Acetylene
C
2
H
2
- 0,26
- 0,28
Ammonia
NH
3
- 0,17
- 0,19
Argon
Ar
- 0,23
- 0,25
Benzene
C
6
H
6
- 1,24
- 1,34
Bromine
Br
2
- 1,78
- 1,97
Butadiene
C
4
H
6
- 0,85
- 0,93
n-Butane
C
4
H
10
- 1,10
- 1,22
Iso Butylen
C
4
H
7
- 0,94
- 1,06
Chlorine
Cl
2
- 0,83
- 0,91
Diacetylene
(CHCl)
2
- 1,09
- 1,20
Nitrous monoxide
N
2
O
- 0,20
- 0,22
Ethane
C
2
H
4
- 0,43
- 0,47
Ethylbenzene
C
8
H
10
- 1,89
- 2,08
Ethylene
C
2
H
4
- 0,20
- 0,22
Ethylene glycol
(CH
2
OH)
2
- 0,78
- 0,88
Ethylene oxide
C
2
H
4
O
2
- 0,54
- 0,60
Furan
C
4
H
4
O
- 0,90
- 0,99
Helium
He
+ 0,29
+ 0,32
n-Hexane
C
6
H
14
- 1,78
- 1,97
Hydrogen chloride
HCL
- 0,31
- 0,34
Hydrogen fluoride
HF
+ 0,12
+ 0,14
Hydrogen sulfide
H
2
S
- 0,41
- 0,43
Carbon dioxide
CO
2
- 0,27
- 0,29
Carbon monoxide
CO
- 0,06
- 0,07
Krypton
Kr
- 0,49
- 0,54
Methane
CH
4
- 0,16
- 0,17
Methanol
CH
4
O
- 0,27
- 0,31
Methylen chloride
CH
2
Cl
2
- 1,00
- 1,10
Methyl propene
C
4
H
8
- 0,94
- 1,06
Monosilan
SiH
4
- 0,24
- 0,27
Neon
Ne
+ 0,16
+ 0,17
n-Octane
C
8
H
18
- 2,45
- 2,70
Phenol
C
6
H
6
O
- 1,40
- 1,54
Propane
C
3
H
8
- 0,77
- 0,85
Propylene
C
3
H
6
- 0,57
- 0,62
Propylene chloride
C
3
H
7
Cl
- 1,42
- 1,44
Propylene oxide
C
3
H
6
O
- 0,90
- 1,00
Oxygen
O
2
+100,00
+100,00
Sulfur dioxide
SO
2
- 0,18
- 0,20
Sulfur fluoride
SF
6
- 0,98
- 1,05
Monosilane
SiH
4
- 0,24
- 0,27
Nitrogen
N
2
0,00
0,00
Nitrogen dioxide
NO
2
+ 5,00
+ 16,00
Nitrogen monoxide
NO
+ 42,70
+ 43,00
Styrene
C
8
H
8
- 1,63
- 1,80
Toluene
C
7
H
8
- 1,57
- 1,73
Vinyl chloride
C
2
H
3
Cl
- 0,68
- 0,74
Vinyl fluoride
CH
3
F
- 0,49
- 0,54
Water (Steam)
H
2
O
- 0,03
- 0,03
Hydrogen
H
2
+ 0,23
+ 0,26
Xenon
Xe
- 0,95
- 1,02