Mixed Gases

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0.3% Methane, 0.3% Carbon Monoxide, 21% Oxygen Balance Nitrogen Lung Diffusion Grade, Size 200 High Pressure Steel Cylinder, CGA-5000.3% Methane, 0.3% Carbon Monoxide, 21% Oxygen Balance Nitrogen Lung Diffusion Grade, Size 200 High Pressure Steel Cylinder, CGA-500

0.3% Methane, 0.3% Carbon Monoxide, 21% Oxygen Balance Nitrogen Lung Diffusion Grade, Size 200 High Pressure Steel Cylinder, CGA-500

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Airgas Part #:Z04NI7852003060

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25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen Balance Nitrogen Certified Standard Mixture, 34 Liter Disposable Aluminum Cylinder, CGA-C1025PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen Balance Nitrogen Certified Standard Mixture, 34 Liter Disposable Aluminum Cylinder, CGA-C10

25PPM Hydrogen Sulfide, 100PPM Carbon Monoxide, 2.5% Methane, 18% Oxygen Balance Nitrogen Certified Standard Mixture, 34 Liter Disposable Aluminum Cylinder, CGA-C10

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Airgas Part #:X05NI79CA3459B2

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250PPM Carbon Monoxide, 2.5% Methane, 17% Oxygen Balance Nitrogen Portable Calibration Gas, 103 Liter Disposable Steel Cylinder, CGA-C10

250PPM Carbon Monoxide, 2.5% Methane, 17% Oxygen Balance Nitrogen Portable Calibration Gas, 103 Liter Disposable Steel Cylinder, CGA-C10

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Airgas Part #:X04NI80CP101398

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5% Oxygen, 7% Carbon Dioxide Balance Nitrogen Biologic Atmosphere Certified Mixture, Size 200 High Pressure Steel Cylinder, CGA-5005% Oxygen, 7% Carbon Dioxide Balance Nitrogen Biologic Atmosphere Certified Mixture, Size 200 High Pressure Steel Cylinder, CGA-500

5% Oxygen, 7% Carbon Dioxide Balance Nitrogen Biologic Atmosphere Certified Mixture, Size 200 High Pressure Steel Cylinder, CGA-500

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Airgas Part #:Z03NI8832002739

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2.5% Oxygen 7.5% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-5802.5% Oxygen 7.5% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580

2.5% Oxygen 7.5% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580

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Airgas Part #:AR CD7.OX2.300

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1% Oxygen 5% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-5801% Oxygen 5% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580

1% Oxygen 5% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580

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Airgas Part #:AR CD5OX1300

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10% Carbon Dioxide, 10% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-59010% Carbon Dioxide, 10% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-590

10% Carbon Dioxide, 10% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-590

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Airgas Part #:E03NI80E15A0138

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2% Oxygen 12% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-5802% Oxygen 12% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580

2% Oxygen 12% Carbon Dioxide Balance Argon Industrial Mix, Size 300 High Pressure Steel Cylinder, CGA-580

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Airgas Part #:AR CD12OX2300

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100PPM Nitrogen Dioxide, 9% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum White Top Cylinder, CGA-660100PPM Nitrogen Dioxide, 9% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum White Top Cylinder, CGA-660

100PPM Nitrogen Dioxide, 9% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum White Top Cylinder, CGA-660

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Airgas Part #:E03NI90E15W0003

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5% Carbon Dioxide, 5% Oxygen Balance Nitrogen Biologic Atmosphere Batch Analyzed Mixture, Size 200 High Pressure Steel Cylinder, CGA-5005% Carbon Dioxide, 5% Oxygen Balance Nitrogen Biologic Atmosphere Batch Analyzed Mixture, Size 200 High Pressure Steel Cylinder, CGA-500

5% Carbon Dioxide, 5% Oxygen Balance Nitrogen Biologic Atmosphere Batch Analyzed Mixture, Size 200 High Pressure Steel Cylinder, CGA-500

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Airgas Part #:Z03NI9022000033

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20% Carbon Dioxide, 20% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-59020% Carbon Dioxide, 20% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-590

20% Carbon Dioxide, 20% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-590

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Airgas Part #:E03NI60E15A0286

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5% Oxygen, 6% Carbon Dioxide Balance Nitrogen Clinical Blood Gas, Size 200 High Pressure Steel Cylinder, CGA-5005% Oxygen, 6% Carbon Dioxide Balance Nitrogen Clinical Blood Gas, Size 200 High Pressure Steel Cylinder, CGA-500

5% Oxygen, 6% Carbon Dioxide Balance Nitrogen Clinical Blood Gas, Size 200 High Pressure Steel Cylinder, CGA-500

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Airgas Part #:Z03NI894200X182

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450PPM Carbon Monoxide, 22.5% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-590450PPM Carbon Monoxide, 22.5% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-590

450PPM Carbon Monoxide, 22.5% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-590

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Airgas Part #:E03NI77E15A0037

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800PPM Carbon Monoxide, 800PPM Hydrogen, 2% Oxygen Balance Nitrogen Certified Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-350800PPM Carbon Monoxide, 800PPM Hydrogen, 2% Oxygen Balance Nitrogen Certified Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-350

800PPM Carbon Monoxide, 800PPM Hydrogen, 2% Oxygen Balance Nitrogen Certified Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-350

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Airgas Part #:X04NI97C15A0130

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80PPM Carbon Monoxide, 21% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-59080PPM Carbon Monoxide, 21% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-590

80PPM Carbon Monoxide, 21% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-590

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Airgas Part #:E03NI78E15A51A6

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17PPM Sulfur Dioxide, 10% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum White Top Cylinder, CGA-66017PPM Sulfur Dioxide, 10% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum White Top Cylinder, CGA-660

17PPM Sulfur Dioxide, 10% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum White Top Cylinder, CGA-660

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Airgas Part #:E03NI89E15W0007

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444PPM Sulfur Dioxide, 2% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-660444PPM Sulfur Dioxide, 2% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-660

444PPM Sulfur Dioxide, 2% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-660

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Airgas Part #:E03NI97E15A0004

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150PPM Carbon Monoxide, 15% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-590150PPM Carbon Monoxide, 15% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-590

150PPM Carbon Monoxide, 15% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-590

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Airgas Part #:E03NI84E15A0026

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1800PPM Carbon Monoxide, 22% Oxygen Balance Nitrogen EPA Protocol Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-5901800PPM Carbon Monoxide, 22% Oxygen Balance Nitrogen EPA Protocol Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-590

1800PPM Carbon Monoxide, 22% Oxygen Balance Nitrogen EPA Protocol Mixture, Size 150 High Pressure Aluminum Cylinder, CGA-590

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Airgas Part #:E03NI77E15A49W3

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110PPM Nitrogen Dioxide, 12% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum White Top Cylinder, CGA-660110PPM Nitrogen Dioxide, 12% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum White Top Cylinder, CGA-660

110PPM Nitrogen Dioxide, 12% Oxygen Balance Nitrogen EPA Protocol Standard Mixture, Size 150 High Pressure Aluminum White Top Cylinder, CGA-660

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Airgas Part #:E03NI87E15W0000

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Find Custom Gas Mixtures For Every Need At Airgas

Get EPA protocol gases, precision blends, medical blends, batch certified mixes, Arcal, industrial shielding gases for welding and more at Airgas. Gas mixtures can be for medical, calibration, or food industry uses and are used as welding and shielding gases. Produced at Airgas's dedicated fill plants, you can trust accurate, consistent mixture production and complete quality control.


Airgas is a leading single-source supplier for all things gases, welding equipment and supplies, and safety products. Find it with us, anytime, anywhere at Airgas.com.