[MW:28262] Re: Gas purity checking for Argon, Argon+CO2(Composition), Oxygen, Acetylene and CO2

There are gas analyser available in market for your query 1, 2 & 4.

For gas purity requirements (point 3), refer ISO 14175.

For point 5, what you mean by gas quality after welding, It shall be verified before welding. 

Regards

Sandeep Kumar

On Monday, September 10, 2018 at 1:11:45 PM UTC+3, Sathish Kumar wrote:

Dear Experts

I have following concern o below

1. How to check purity for Argon, Argon+CO2(Composition), Oxygen, Acetylene and CO2 gas cylinder.

2. How to check the moisture and dew point temperature for gas contained.

3. What is the standard (ISO or ASTM or EN) for checking gas purity?

4. Any instrument is available for checking gas purity, moisture and dew point?

5. How to ensure gas quality in after welding?

Please clarify the same

Regards

sathish

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