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Gas Specifcation

Gas Specification

Product

Components

Specifications

1. Oxygen-Industrial

Oxygen

>= 99.6%

2. Medical Oxygen

Oxygen

THC

>= 99.5%

< 5 ppm

3. Purified Oxygen

Oxygen

Moisture

Carbon Dioxide

Carbon Monoxide

THC

>= 99.9%

< 3 ppm

< 1 ppm

< 1 ppm

< 1 ppm

4. Nitrogen-Industrial

Nitrogen

Oxygen

>= 99.95%

< 500 ppm

5. Oxygen Free Nitrogen (OFN)

Nitrogen

Oxygen

Moisture

>= 99.99%

< 10 ppm

< 10 ppm

6. Nitrogen – Food Grade

Nitrogen

Oxygen

Moisture

>= 99.99%

< 10 ppm

< 10 ppm

7. Purified Nitrogen

Nitrogen

Oxygen

Moisture

>= 99.999%

< 3 ppm

< 3 ppm

8. Argon

Argon

Oxygen

Moisture

>= 99.995%

< 10 ppm

< 10 ppm

9. Purified Argon

Argon

Oxygen

Moisture

>= 99.999%

< 3 ppm

< 3 ppm

10.Carbon Dioxide

Carbon Dioxide

>= 99.5%

11.Carbon Dioxide-Food

Grade

Carbon Dioxide

Moisture

Oxygen

Hydrocarbon

>= 99.5%

< 100 ppm

< 25 ppm

< 25 ppm

 

(The food grade CO2 already change to ISBT standard; more stringent standard is imposed; SO2; acetaldehyde; Nitric Oxide content also strictly controlled)

12.Dissolved Acetylene- Industrial

Acetylene

>= 98%

13. High Purity DA (HPDA)

Acetylene

*Substantially free from phospine, NH3, H2S, organic sulphur compound and arsine

>= 99.5%

*(phosphine < 50ppm)

* Silver nitrate test showed negative sign

14. Compressed Air

Oxygen

20.5 +/- 1.0%

15. Medical Compressed Air (MCA)

Oxygen

Moisture

Oil

CO

SO2

CO2

NO+NO2

 

20.4 +/- 1.0%

60

<0.1mg/m3

<5ppm

<1ppm

<500ppm

<2ppm

16. Purified Air

Oxygen
Moisture
Hydrocarbon

20.5 +/- 1.0%

< 3 ppm

< 3 ppm

17. Zero Air

 

Oxygen
Moisture
Hydrocarbon

CO/CO2

20.5 +/- 1.0%

< 3 ppm

< 0.1 ppm

<0.5ppm

18. Hydrogen

Hydrogen
Oxygen
Moisture

Nitrogen

>= 99.995%

< 10 ppm

< 10 ppm

< 250 ppm

19. Purified Hydrogen

Hydrogen
Oxygen
Moisture

Hydrocarbon

>= 99.999%

< 3 ppm

< 3 ppm

< 3 ppm

20. Helium

Helium

Moisture

Oxygen

Nitrogen

Hydrocarbon

>= 99.995%

< 10 ppm

< 5 ppm

< 20 ppm

< 1 ppm

21. Purified Helium

Helium

Moisture

Oxygen

Nitrogen

Hydrocarbon

>= 99.999%

< 3 ppm

< 4 ppm

< 5 ppm

< 1 ppm

 

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