431
SAMPLE HANDLING |
AIR MONITORING
Gas Cal ibrat ion Standards
*Contact Restek or your Restek representative for a complete list of hexanes plus.
**Precise concentrations are provided on the data sheet included with each cylinder and may vary slightly
from those listed here.
cylinder
design
DCG Partnership Cylinders:
Size:
7.6 x 24 cm
CGA-170/110
connection.
US DOT Specs:
DOT-4B-240ET
Please note:
This cylinder is not approved for
use in Canada.
Gas standards on this page are not available in
Pi-marked cylinders for EU countries.
please
note
Natural Gas Standard #1 Natural Gas Standard #2 Natural Gas Standard #3
cat.# 34438, ea.
cat.# 34439, ea.
cat.# 34440, ea.
% each compound**
% each compound**
% each compound**
nitrogen
1.000
2.500
5.000
carbon dioxide
0.500
1.000
1.500
methane UHP
94.750
85.250
70.000
ethane UHP
2.000
5.000
9.000
propane
0.750
3.000
6.000
isobutane
0.300
1.000
3.000
n
-butane
0.300
1.000
3.000
isopentane
0.150
0.500
1.000
n
-pentane
0.150
0.500
1.000
hexanes plus*
0.100
0.250
0.500
Concentration
mole
mole
mole
Volume
13.16L @ 200psig
13.16L @ 200psig
5.5L @ 75psig
Ideal Heating Value (Dry BTU/SCF)
1048 gross
1142 gross
1317 gross
Refinery Gas Standard #1 Refinery Gas Standard #2 Refinery Gas Standard #5
cat.# 34441, ea.
cat.# 34442, ea.
cat.# 34443, ea.
% each compound**
% each compound**
% each compound**
hydrogen
40.750
12.500
12.500
argon
0.500
1.000
1.000
nitrogen
4.000
37.200
37.200
carbon monoxide
1.000
1.000
1.000
carbon dioxide
3.000
3.000
3.000
methane
8.500
5.000
5.000
ethane
6.000
4.000
4.000
ethylene
2.000
2.000
2.000
acetylene
—
1.000
1.000
propane
7.000
6.000
6.000
propylene
3.000
3.000
3.000
propadiene
0.850
1.000
1.000
cyclopropane
—
0.040
—
isobutane
6.000
5.000
5.000
n
-butane
4.000
4.000
4.000
isobutylene
2.000
1.000
1.000
1,3 butadiene
3.000
3.000
3.000
cis
-2-butene
2.000
2.000
2.000
trans
-2-butene
2.000
3.000
3.000
butene-1
2.000
2.000
2.000
2-methyl-2-butene
—
0.200
0.200
isopentane
1.000
1.000
1.000
n
-pentane
1.000
1.000
1.000
cis
-2-pentene
—
0.400
0.400
trans
-2-pentene
—
0.160
0.200
pentene-1
—
0.400
0.400
n
-hexane
0.500
0.100
—
hexanes plus
—
—
0.100
Concentration
mole
mole
mole
Volume
5.2L @ 70psig
4.9L @ 60psig
4.6L @ 60psig
Natural Gas Standards
Available in three mixes, from lean to rich. Each has an extended list of C6+ components.
Natural Gas and Refinery Gas Standards
• Each available in three varying concentrations.
• Mini-regulator designed specially for these standards.
Refinery Gas Standards
Available in three mixes with varying C5 unsaturates or extended C6+ components.
also
available
See page 433 for regulators.
Website :
E-mail :
TelNo : 03 9762 2034 . . . in AUSTRALIA
Mar 2011
