Molecular Filtration Media Selection Chart Page 3
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4MOLECULAR FILTRATION MEDIA SELECTION CHART
C L E A N A I R S O L U T I O N S
Vapour
No. of carbon atoms & performance indicator
Boiling
Molecular
pressure
Target molecule
Camfil molecular media
Formula
point
non
weight
(mmHg
C1
C2
C3
C4
C5
C6
C7
C8
C9
>C9
(°C)
C
@ 20ºC)
Nitriles
Acetonitrile
C
H
N
41.1
81.0
72.7
2
3
Acrylonitrile
LGS^
C
H
N
53.1
77.5
93.0
3
3
Organic acids
Formic acid
+
CEX A6
CEX A3
LGS
CH
O
46.0
100.5
32.43
2
2
Acetic acid
+
CEX A6
CEX A3
LGS
CH
COOH
60.1
118.2
11.37
3
Propanoic acid
+
CEX A6
CEX A3
LGS
C
H
O
74.1
141.0
9.16
3
6
2
Butyric acid
+
CEX A6
CEX A3
LGS
C
H
O
88.1
164.0
7.81
4
8
2
Benzoic acid
+
CEX A6
CEX A3
LGS
C
H
O
122.1
249.8
10.00
7
6
2
Acid gases
Hydrogen fluoride
+
CEX A3
CEX A6
LGS
HF
20.0
19.5
675
Hydrogen sulfide
+
CEX A1
CEX A3
C15
H
S
34.1
-60.3
13,576
2
Hydrogen chloride
+
CEX A3
CEX A6
LGS
HCl
36.5
-85.0
31,525
Sulfur dioxide
+
CEX A3
C15
LGS
SO
64.1
-10.0
2,479
2
Chlorine
+
CEX A3
C5
LGS
Cl
70.9
-34.1
5,049
2
Hydrogen cyanide
+
CEX J5
HCN
27.02
25.6
621
Nitrogen dioxide
+
CEX A6
LGS
NO
46.0
21.2
720
2
Ammonia and Amines
Ammonia
+
CEX B1
NH
17.0
-33.4
6,430
3
Methylamine
+
CEX B1
CH
N
31.1
-6.9
2,280
5
Trimethylamine
+
CEX B1
C
H
N
59.1
3.0
1,365
3
9
Pyridine
+
CEX B1
LGS
CEX
C
H
N
79.1
115.0
15
5
5
N-methyl pyrrolidone
LGS
CEX
CEX B1
C
H
NO
99.1
202.0
1.95
5
9
Triethylamine
+
CEX B1
LGS
CEX
C
H
N
101.2
89.0
53.3
6
15
Toluidine
LGS
CEX
CEX B1
C
H
N
107.2
203.0
0.30
7
9
Nicotine
LGS
CEX
CEX B1
C
H
N
162.2
246.0
0.08
10
14
2
Tributylamine
+
CEX B1
LGS
CEX
C
H
N
185.4
216.5
0.18
12
27
Hydrazine
+
CEX B1
N
H
32.1
113.5
15.8
2
4
Miscellaneous compounds
Carbon monoxide
CO
28.0
-191.5
-
Carbon dioxide
CO
44.0
-78.5
42,971
2
Acetylene
C
H
26.0
-81.5
32,568
2
2
Radon
Rn
222.0
- 61.7
10,230
Dimethyl sulfide
+
C8
C4
C
H
S
62.1
37.0
420
2
6
Ethyl mercaptan
+
CEX A1
CEX A3
C8
C
H
SH
62.1
35.0
439
2
5
Hexamethyldisiloxane
LGS
CEX
C
H
OSi
162.4
101.0
39.9
(HMDSO)
6
18
2
Toluene-2, 4-diisocy-
LGS
CEX
C
H
N
O
174.2
251.0
0.010
anate (TDI)
9
6
2
2
Di-2-ethylhexyl phtha-
LGS
CEX
C
H
O
390.6
385.0
18.8
late (DEHP or DOP)
24
38
4
Diisononyl phthalate
LGS
CEX
C
H
O
418.6
244.0
1.00
(DINP)
26
42
4
Diisodecyl phthalate
LGS
CEX
C
H
O
446.7
250.0
1.11
(DIDP)
28
46
4
Mercury vapour
+
CEX J4
CEX J3
Hg
200.6
356.7
0.0015
Hydrogen peroxide
LGS
CEX
H
O
34.0
150.2
5.70
2
2
Ozone
LGS
CEX
O
48.0
-111.9
0
3
version 6 - Feb 2015
Camfil – Clean Air Solutions
3
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