Appendix
OxyDetect Oxygen Deficiency Gas Detector
80
05311001B / Revision 4
A full list of cross-interference offsets (O
2
measurement errors) are given in
Appendix A5. For the OxyDetect the offset should be taken from the 20 °C.
Pure Gas
Formula
Molar
mag.susc
x 10
-6
Cross interference offsets
Ambient Temperature
20 °C
50 °C
Acetaldehyde
CH
2
CHO
–22.70
–0.31
–0.34
Acetic acid
CH
3
CO
2
H
–31.50
–0.56
–0.62
Acetone
CH
3
COCH
3
–33.70
–0.63
–0.69
Acetylene
HCCH
–20.80
–0.25
–0.28
Acrylonitrile
CH
2
=CHCN
–24.10
–0.35
–0.39
Allyl alcohol
CH
2
CHCH
2
OH
–36.70
–0.71
–0.79
Ammonia
NH
3
–18.00
–0.17
–0.19
Argon
Ar
–19.60
–0.22
–0.24
Benzene
C
6
H
6
–54.84
–1.24
–1.36
Boron chloride
BCl
3
–59.90
–1.38
–1.53
Boron trifluoride
BF
3
–19.00
–0.20
–0.22
Bromine
Br
2
–73.50
–1.78
–1.96
1,2 Butadiene
C
4
H
6
–35.60
–0.68
–0.75
1,3 Butadiene
C
4
H
6
–30.60
–0.54
–0.59
N-Butane
C
4
H
10
–50.30
–1.11
–1.22
iso-Butane
(CH
3
)
2
CHCH
2
–51.70
–1.15
–1.26
1 Butene
CH
3
CH
2
CH=CH
2
–41.10
–0.84
–0.93
N–Butyl acetate
CH
3
COOC
4
H
9
–77.50
–1.89
–2.09
iso–Butylene
(CH
3
)
2
CH=CH
2
–44.40
–0.94
–1.03
1 Butyne (Ethylacetylene)
CH
3
C
3
H
2
–43.50
–0.91
–1.00
Carbon dioxide
CO
2
–21.00
–0.26
–0.29
Carbon disulphide
CS
2
–42.20
–0.87
–0.96
Carbon monoxide
CO
–9.80
0.06
0.07
Carbon tetrachloride
CCl
4
–66.60
–1.58
–1.74
Carbon tetrafluoride
CF
4
–31.20
–0.55
–0.61
Chlorine
Cl
2
–40.50
–0.82
–0.91
Chloro ethanol
ClCH
2
CH
2
OH
–51.40
–1.14
–1.25
Chloroform
CHCl
3
–59.30
–1.37
–1.51
Cumene
(CH
3
)
2
CHC
6
H
5
–89.53
–2.24
–2.47
Cyclohexane
C
6
H
12
–68.13
–1.62
–1.79
Cyclopentane
C
5
H
10
–59.18
–1.36
–1.50
Cyclopropane
C
3
H
6
–39.90
–0.81
–0.89
Diacetylene
C
4
H
2
–37.50
–0.74
–0.81
Dichloroethylene
(CHCl)
2
–49.20
–1.07
–1.18
Diethyl ether
(C
2
H
5
)
2
O
–55.10
–1.25
–1.37
2,2 Difluoro 1 chloroethane
CClH
2
CHF
2
–52.40
–1.17
–1.29
1,2 Difluoro 1,2 dichloroethylene
CFCl=CFCl
–60.00
–1.39
–1.53
Difluoro dichloro methane (Freon 12)
CCl
2
F
2
–52.20
–1.16
–1.28
Dimethoxy methane
CH
2
(OCH
3
)
2
–47.30
–1.02
–1.12
Dimethylamine
(CH
3
)
2
NH
–39.90
–0.81
–0.89
Dimethylether
CH
3
OCH
3
–26.30
–0.41
–0.46
Dimethylethylamine
(CH
3
)
2
NC
2
H
5
–63.60
–1.49
–1.64