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High Purity Argon Gas - Specialty Gases

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High Purity Gases - Argon

Argon

Products and applications of Argon gas

Nested Applications

Argon Gas

Argon is a colorless, odorless, non-flammable and non-toxic noble gas. The most important properties of pure argon gas is the inertness and the visible spectral emission in the plasma state. Even at very high temperatures, argon remains inert and does not form compounds with oxygen. It is heavier than air. 

Industrial Manufacturing of Argon Gas

Air contains a concentration of approximately 0.93 % argon gas. Based on this, it is economical and common to produce pure argon gas with air separation plants on an industrial scale. Apart from oxygen and nitrogen, air separation units can produce significant amounts of argon gas.

Argon Purity Grades By Messer

Composition
Ar ≥ 99.999 %
Impurities
O2 ≤ 2 ppmv
N2 ≤ 5 ppmv
HC (as CH4) ≤ 0.1 ppmv
CO and CO2 ≤ 0.1 ppmv
H2O ≤ 3 ppmv
Composition
Ar ≥ 99.9999 %
Impurities
O2 ≤ 0.5 ppmv
N2 ≤ 0.5 ppmv
HC (as CH4) ≤ 0.1 ppmv
CO and CO2 ≤ 0.1 ppmv
H2O ≤ 0.5 ppmv

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High Purity Gases - Argon - Cylinder

 

Applications of Argon 5.0 and 6.0

Due to the inert properties of argon, it is well suited as a shielding gas for metal processing such as welding. The ionizability of argon is another important property. It allows various plasma based applications in analytics. Typical examples of high purity Argon gas applications are the following:

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Analytics

Argon 5.0 or 6.0 finds application for various analytical measuring techniques such as the active gas in inductively coupled plasm (ICP) spectrometry and as carrier gas in gas chromatography (GC). Further examples are the use as a zero gas or purge gas. It is also applied as a filling gas for proportional counters.

Argon filled windows

Due to the low conductive and convective heat transfer properties, Argon gas is applied as a filling gas sealed between the panes of insulated windows. In this way, Argon helps to minimize heat losses.

Surface Techniques

In chemical / physical vapor deposition (CVD and PVD) Argon 5.0 is used as carrier gas to improve the interaction and thus reaction rate of the associated phases.

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