4-12
Brooks
®
Model 5851E
Section 4 Maintenance
Installation and Operation Manual
X-TMF-5851E-MFC-eng
Part Number: 541B104AAG
November, 2008
Table 4-3 Conversion Factors (Nitrogen Base)
GAS NAME
FORMULA
SENSOR
ORIFICE
DENSITY
FACTOR
FACTOR
(kg/m
3
)
Acetylene
C
2
H
2
0.615
0.970
1.173
Air
Mixture
0.998
1.018
1.293
Allene
C
3
H
4
0.478
1.199
1.787
Ammonia
NH
3
0.786
0.781
0.771
Argon
Ar
1.395
1.195
1.784
Arsine
AsH
3
0.754
1.661
3.478
Boron Trichloride
BCL
3
0.443
2.044
5.227
Boron Trifluoride
BF
3
0.579
1.569
3.025
Bromine Pentafluoride
BrF
5
0.287
2.502
7.806
Bromine Trifluoride
BrF
3
0.439
2.214
6.108
Bromotrifluoroethylene
C
2
BrF
3
0.326
2.397
7.165
Bromotrifluoromethane f-13B1
CBrF
3
0.412
2.303
6.615
1,3-Butadiene
C
4
H
6
0.354
1.413
2.491
Butane
C
4
H
10
0.257
1.467
2.593
1-Butene
C
4
H
8
0.294
1.435
2.503
CIS-2-Butene
C
4
H
8
0.320
1.435
2.503
Trans-2-Butene
C
4
H
8
0.291
1.435
2.503
Carbon Dioxide
CO
2
0.773
1.255
1.977
Carbon Disulfide
CS
2
0.638
1.650
3.393
Carbon Monoxide
CO
0.995
1.000
1.250
Carbon Tetrachloride
CCL
4
0.344
2.345
6.860
Carbon Tetrafluoride f-14
CF
4
0.440
1.770
3.926
Carbonyl Fluoride
COF
2
0.567
1.555
2.045
Carbonyl Sulfide
COS
0.680
1.463
2.180
Chlorine
CL
2
0.876
1.598
3.214
Chlorine Dioxide
CLO
2
0.693
1.554
3.011
Chlorine Trifluoride
CLF
3
0.433
1.812
4.125
2-Chlorobutane
C
4
H
9
Cl
0.234
1.818
4.134
Chlorodifluoromethane f-22
CHCLF
2
0.505
1.770
3.906
Chloroform (Trichloromethane)
CHCL
3
0.442
2.066
5.340
Chloropentafluoroethane f-115
C
2
CLF
5
0.243
2.397
7.165
Chlorotrifluoroethylene
C
2
CLF
3
0.337
2.044
5.208
Chlorotrifluoromethane f-13
CCLF
3
0.430
1.985
4.912
Cyanogen
(CN)
2
0.498
1.366
2.322
Cyanogen Chloride
CLCN
0.618
1.480
2.730
Cyclobutane
C
4
H
8
0.387
1.413
2.491
Cyclopropane
C
3
H
6
0.505
1.224
1.877
Deuterium
D
2
0.995
0.379
0.177
Diborane
B
2
H
6
0.448
1.000
1.235
Diboromodifluoromethane f-12B2
CBr
2
F
2
0.363
2.652
8.768
1,2-Dibromotetrafluoroethane f-114B2
C
2
Br
2
F
4
0.215
2.905
10.53
Dichlorodifluoromethane f-12
CCL
2
F
2
0.390
2.099
5.492
Dichlorofluoromethane f-21
CHCL
2
F
0.456
1.985
4.912
Dichlorosilane
SiH
2
CL
2
0.442
1.897
4.506
1,2-Dichloroethane
C
2
H
4
Cl
2
0.382
1.879
4.419
1,2-Dichlorotetrafluoroethane f-114
C
2
CL
2
F
4
0.231
2.449
7.479
2,2 Dichloro
C
2
HC
12
F
3
0.259
2.336
6.829
1,1-Difluoro-1-Chloroethane
C
2
H
3
CLF
2
0.341
1.957
4.776
1,1-Difluoroethane
CH
3
CHF
2
0.415
1.536
2.940
1,1-Difluoroethylene
CH
2
:CF
2
0.458
1.512
2.860
Diethylsilane
C
4
H
12
Si
0.183
1.775
3.940
Difluoromethane f-32
CF
2
H
2
0.627
1.360
2.411
Dimethylamine
(CH
3
)
2
NH
0.370
1.269
2.013
Dimethylether
(CH
3
)
2
O
0.392
1.281
2.055
2,2-Dimethylpropane
C(CH
3
)
4
0.247
1.613
3.244
Disilane
Si
2
H
6
0.332
1.493
2.779
Ethane
C
2
H
6
0.490
1.038
1.357
Ethanol
C
2
H
6
O
0.394
1.282
2.057
Ethylacetylene
C
4
H
6
0.365
1.384
2.388
Ethyl Chloride
C
2
H
5
CL
0.408
1.516
2.879
Ethylene
C
2
H
4
0.619
1.000
1.261
Ethylene Oxide
C
2
H
4
O
0.589
1.254
1.965
Fluorine
F
2
0.924
1.163
1.695
Fluoroform f-23
CHF
3
0.529
1.584
3.127
Germane
GeH
4
0.649
1.653
3.418
Germanium Tetrachloride
GeCl
4
0.268
2.766
9.574
Halothane (R-123B1)
C
2
HBrClF
3
0.257
2.654
8.814
Helium
He
1.386
0.378
0.178
Hexafluoroacetone
F
3
CCOCF
3
0.219
2.434
7.414
Hexaflorobenzine
C
6
F
6
0.632
2.577
8.309
Hexafluoroethane f-116
C
2
F
6
0.255
2.219
6.139
Hexafuoropropylene (HFP)
C
3
F
6
0.249
2.312
6.663
Hexamethyldisilane (HMDS)
(CH
2
)
6
Si
2
0.139
2.404
7.208
Hexane
C
6
H
14
0.204
1.757
3.847
Ref. No. J-836D508
gasdata.doc Vsn. 8.6