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What are the colors of different gases in the plasma cleaning machine

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19 Oct,2020

What are the colors of different gases in the plasma cleaning machine:

The arc starting device of the plasma cleaning machine enables the atoms, ions or molecules with active energy excited state to emit light further down, thus forming the color of the plasma. Because the energy levels in each gas have different energy conversion, each process gas exhibits different luminous properties, resulting in different color properties. Typical gas colors commonly used in plasma cleaning are as follows:

CF4: Blue

SF6: Light blue

SiF4: Light blue

SiCl4: Light blue

Cl2: Light green

CCl4: Light green

H2: Pink

O2: Light yellow

N2: Red to yellow

Br2: Red

He: Red to purple

Ne: Brick red

Ar: Dark red

The glow color of the plasma cleaning machine can be used not only to identify which process gas is, but also to qualitatively evaluate whether the process gas contains no pollutants.

plasma cleaning machine

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