Alicat MC Series Mass Flow Controller User Manual

Page 38

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38

Gas

Number

Short

Form

Long Form

Viscosity*

25 deg C

14.696 psia

Density**

25 deg C

14.696 psia

Compressibility

25 deg C

14.696 psia

0

Air

Air

184.918

1.1840

0.9997

1

Ar

Argon

225.593

1.6339

0.9994

2

CH4

Methane

111.852

0.6569

0.9982

3

CO

Carbon Monoxide

176.473

1.1453

0.9997

4

CO2

Carbon Dioxide

149.332

1.8080

0.9949

5

C2H6

Ethane

93.540

1.2385

0.9924

6

H2

Hydrogen

89.153

0.08235

1.0006

7

He

Helium

198.457

0.16353

1.0005

8

N2

Nitrogen

178.120

1.1453

0.9998

9

N2O

Nitrous Oxide

148.456

1.8088

0.9946

10

Ne

Neon

311.149

0.8246

1.0005

11

O2

Oxygen

204.591

1.3088

0.9994

12

C3H8

Propane

81.458

1.8316

0.9841

13

n-C4H10

normal-Butane

74.052

2.4494

0.9699

14

C2H2

Acetylene

104.448

1.0720

0.9928

15

C2H4

Ethylene

103.177

1.1533

0.9943

16

i-C4H10

iso-Butane

74.988

2.4403

0.9728

17

Kr

Krypton

251.342

3.4274

0.9994

18

Xe

Xenon

229.785

5.3954

0.9947

19

SF6

Sulfur Hexafluoride

153.532

6.0380

0.9887

20

C-25

75% Argon / 25% CO2

205.615

1.6766

0.9987

21

C-10

90% Argon / 10% CO2

217.529

1.6509

0.9991

22

C-8

92% Argon / 8% CO2

219.134

1.6475

0.9992

23

C-2

98% Argon / 2% CO2

223.973

1.6373

0.9993

24

C-75

75% CO2 / 25% Argon

167.451

1.7634

0.9966

25

A-75

75% Argon / 25% Helium

230.998

1.2660

0.9997

26

A-25

75% Helium / 25% Argon

234.306

0.5306

1.0002

27

A1025

90% Helium / 7.5% Argon /

2.5% CO2

(Praxair - Helistar® A1025)

214.840

0.3146

1.0003

28

Star29

90% Argon / 8% CO2

/ 2% Oxygen

(Praxair - Stargon® CS)

218.817

1.6410

0.9992

29

P-5

95% Argon / 5% Methane

223.483

1.5850

0.9993

*in micropoise (1 Poise = gram / (cm) (sec)) ** Grams/Liter

(NIST REFPROP 7 database)

Gas Viscosities, Densities and Compressibilities at 25° C

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