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449

SAMPLE HANDLING |

AIR SAMPLING

Gas Calibration Standards

*Precise concentrations are provided on the data sheet included with each cylinder and may vary slightly from

those listed here.

Refinery Gas Standards

Available in three mixes with varying C5 unsaturates or extended C6+ components.

Ideal Heating Value: Dry BTU/SCF @ 14.696 psia & 60 °F.

*Precise concentrations are provided on the data sheet included with each cylinder and may vary slightly from

those listed here.

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.

Natural Gas Standard #1

Natural Gas Standard #2 Natural Gas Standard #3

cat.# 34438, ea.

cat.# 34439, ea.

cat.# 34440, ea.

% 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

-butane

0.300

1.000

3.000

isopentane

0.150

0.500

1.000

-pentane

0.150

0.500

1.000

hexanes plus

0.100

0.250

0.500

Concentration

mole

Volume

13.16 L @ 200 psig (1,379 kPa) 13.16 L @ 200 psig (1,379 kPa) 5.5 L @ 75 psig (517 kPa)

Ideal Heating Value (Dry BTU/SCF)

1,048 gross

1,142 gross

1,317 gross

Refinery Gas Standard #1

Refinery Gas Standard #2

Refinery Gas Standard #5

cat.# 34441, ea.

cat.# 34442, ea.

cat.# 34443, ea.

% each compound*

hydrogen

40.750

12.500

argon

0.500

1.000

nitrogen

4.000

37.200

carbon monoxide

1.000

carbon dioxide

3.000

methane

8.500

5.000

ethane

6.000

4.000

ethylene

2.000

acetylene

—

1.000

propane

7.000

6.000

propylene

3.000

propadiene

0.850

1.000

cyclopropane

—

0.040

—

isobutane

6.000

5.000

-butane

4.000

isobutylene

2.000

1.000

1,3 butadiene

3.000

cis

-2-butene

2.000

trans

-2-butene

2.000

3.000

1-butene

2.000

2-methyl-2-butene

—

0.200

isopentane

1.000

-pentane

1.000

cis

-2-pentene

—

0.400

trans

-2-pentene

—

0.160

0.200

pentene-1

—

0.400

-hexane

0.500

0.100

—

hexanes plus

—

0.100

Concentration

mole

Volume

5.2 L @ 70 psig (483 kPa)

4.9 L @ 60 psig (414 kPa)

4.6 L @ 60 psig (414 kPa)

cylinder design

DCG Partnership Cylinders:

Size

: 7.6 x 24 cm

Connection

: CGA-170/110

U.S. 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

also available

See

page 453

for regulators.