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Argon Gas Cylinder Ar

Argon is a colorless, odorless and tasteless inert gas at normal temperature and pressure, containing about 1% in air. Nitrogen neither burns nor supports combustion. High concentrations of argon can cause asphyxiation. Contact of liquid argon with skin can cause frostbite.
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  • 7440-37-1

  • OEM/ODM

Technical Indicators

Components/Impurities

Liquid Argon/5.0N

Pure Argon/4.0N

High Purity Argon/5.0N

Ultrapure Argon/6.0N

Argon content

99.999%

99.99%

99.999%

99.9999%

Hydrogen H2

≤0.5ppm

≤5.0ppm

≤0.5ppm

≤0.1ppm

Oxygen O2

≤1.5ppm

≤10ppm

≤1.5ppm

≤0.2ppm

Nitrogen N2

≤4.0ppm

≤50ppm

≤4.0ppm

≤0.5ppm

Carbon monoxide CO

≤0.3ppm

≤5.0ppm

≤0.3ppm

≤0.1ppm

Carbon dioxide CO2

≤0.3ppm

≤10ppm

≤0.3ppm

≤0.1ppm

Methane CH4

≤0.4ppm

≤5.0ppm

≤0.4ppm

≤0.1ppm

Water H2O

≤3.0ppm

≤15ppm

≤3.0ppm

≤0.2ppm


The Packing

Type of cylinder

Gas pressure

Gas volume

High purity carbon dioxide

50L cylinder

19.5MPa

10000L

15.9KG

40L cylinder

13.5MPa

5400L

8.6KG

10L cylinder

10MPa

1000L

1.6KG

4L cylinder

10MPa

400L

0.6KG

Dewar

1.6~3.4MPa

130~151m3

214-250KG

Tank car

0.8MPa


Above 20T

Cylinder interface: QF-2, PX-32 external thread/internal thread, thread outlet G5/8 (outer diameter 22.911, number of threads 14 threads/inch, thread pitch 1.814 mm, thread height 1.162, minor diameter 20.587), CGA580


Transport information

Transport information

Chemical symbol

Ar

CAS No.

7440-37-1

DOT Shipping Class

non-combustible gas

DOT tags

non-combustible gas

Canadian Shipping Classification

2.2

Substance Identification (S) No.

1006

UN No.

UN 1006

Main hazards

high pressure compression, asphyxiation

Toxicity (TLV)

asphyxia

Explosive Limits (Toxic)

non-combustible gas

Smell

none


Physical properties

Physical properties

Chemical name

Ar

Molecular weight

39.948

Melting point

-189.2℃

Boiling point (101.325kPa)

-185.9℃

Liquid Density (83.78k, 68.749kPa)

1416.6kg/m3

Gas density (273.15k, 101.325℃)

1.7841kg/m3

Relative density (gas, 0℃, 101.325KPa)

1.380

Specific volume (21.1℃, 101.325kPa)

0.6037m3/kg

Gas-liquid volume ratio (15℃. 100kPa)

835L/L

Critical temperature

-122.4℃

Critical pressure

4864kPa

Critical density

530.7kg/m3

Compression factor

Temperature(K)/Pressure

101.325kPa 1013.25kPa 10132.5kPa

300K

0.9994 0.9938 0.9553

350K

0.9998 0.9977 0.9879

Heat of fusion (-189.37℃, 68.7kPa)

29.43kJ/kg

Heat of vaporization (-185.86℃, 101.325kPa)

160.81kJ/kg

Specific heat capacity (270k, 100kPa)

Cp=519.16J/(kg • K)

(300k, 100kPa)

Cv=309.82J/(kg•K)

Specific heat ratio (gas, 26.85℃. 101.325kPa)

Cp/Cv=1.669

Vapor pressure (-191.885℃)

53.33kPa

(-181.301℃)

159.99kPa

(-178.880℃)

199.98kPa

Viscosity (270k, 100kPa)

0.02083mPa • S

Surface Tension (84k)

11.46mN/m

Thermal conductivity (270k, 100kPa)

0.01620w/(m•K)

Refractive index (gas, 0℃, 101.325kPa)

1.00030378


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