Custom Gas Mixtures | Gas | Airgas

We use cookies to improve your browsing experience and help us improve our websites. By continuing to use our website, you agree to our use of such cookies. Agree Learn more

Need an Account? Register or Login

Sign up for Email | Need an Account? Register or Login

Find a Branch
Customer Service
SDS Search
Careers

Switch Account
Dashboard

Skip to main content

To see product availability

Enter a Delivery Zip Code

Need an Account? Register or Login

Sign up for Email | Need an Account? Register or Login

Find a Branch
Customer Service
SDS Search
Careers

×

To see product availability

Enter a Delivery Zip Code

OFFERS & REBATES
Industries
Solutions
Resources

TELL US MORE

To receive the most up-to-date product availability, pricing and delivery options, enter your zip code or log in to your account

Zip Code should not be blank Email and Password should not be blank

Enter Delivery Zip Code

or

Log In

Email Address

Password Show Hide

LOG IN

Forgot Password?

Need an Account? Register

TELL US MORE

Are you currently located in California?

8 characters minimum
One number
One lowercase letter
One uppercase letter
One special character (!@#$%&*)

Password cannot contain space

Pursuant to CA SB 478, if you are located in California, Airgas cannot display your product pricing until all items have been added to your shopping cart so that we can calculate all applicable fees, including, but not limited to, shipping and handling fees.

No

Yes

Have an account?Login

Gases
Gas Equipment
Welding Products
Safety Products
Tools & Hardware
View All

Home/
Category Page/
Gases/
Mixed Gases

Results For:
By Category
Mixed Gases
Gas Comp 3
CARBON DIOXIDE
Gas Comp 2
NITROGEN HELIUM PPM METHYL MERCAPTAN
Gas Comp 1
NITROGEN HYDROGEN

Narrow Results:

{$title}

{$label}

Cylinder Size
200 Steel HP (5)

300 Steel HP (4)

300 Aluminum HP (2)

CGA Connection
CGA 350 (7)

CGA 580 (4)

Gas Component Amount 1
5.0000000 (2)

7.0000000 (2)

10.0000000 (1)

13.5000000 (1)

15.6000000 (1)

31.4100000 (1)

35.0000000 (1)

45.0000000 (1)

70.0000000 (1)

Gas Component 1
% OXYGEN (10)

% HELIUM (3)

% ARGON (2)

PPM CARBON MONOXIDE (1)

PPM NITRIC OXIDE (1)

Gas Component Amount 2
85.0000000 (2)

10.0000000 (1)

5.0000000 (1)

60.0000000 (1)

65.4500000 (1)

73.0000000 (1)

75.0000000 (1)

81.0000000 (1)

82.0000000 (1)

88.0000000 (1)

Gas Component 2
% CARBON MONOXIDE (8)

% HYDROGEN (7)

PPM NITRIC OXIDE (6)

PPM SULFUR DIOXIDE (4)

% METHANE (2)

% N BUTANE (1)

PPM CARBON MONOXIDE (1)

PPM NITROGEN DIOXIDE (1)

Gas Component Amount 3
5.0000000 (3)

20.0000000 (2)

10.0000000 (1)

15.0000000 (1)

25.0000000 (1)

3.1400000 (1)

3.4000000 (1)

4.5000000 (1)

Gas Component 3
% CARBON MONOXIDE (2)

Gas Component Amount 4
30.0000000 (1)

Gas Component 4
% CARBON MONOXIDE (1)

Compare Products Up to 4

Mixed Gases

Sort by:

Z03NI8522003062

5% Hydrogen, 10% Carbon Dioxide, Balance Nitrogen Biologic Atmosphere Batch Analyzed Mixture, Size 200 High Pressure Steel Cylinder, CGA 350

5% Hydrogen, 10% Carbon Dioxide, Balance Nitrogen Biologic Atmosphere Batch Analyzed Mixture, Size 200 High Pressure Steel Cylinder, CGA 350

Show Full Description Hide Full Description

Compare

5% Hydrogen, 10% Carbon Dioxide, Balance Nitrogen Biologic Atmosphere Batch Analyzed Mixture, Size 200 High Pressure Steel Cylinder, CGA 350

5% Hydrogen, 10% Carbon Dioxide, Balance Nitrogen Biologic Atmosphere Batch Analyzed Mixture, Size 200 High Pressure Steel Cylinder, CGA 350

5% Hydrogen, 10% Carbon Dioxide, Balance Nitrogen Biologic Atmosphere Batch Analyzed Mixture, Size 200 High Pressure Steel Cylinder, CGA 350

Show Full Description Hide Full Description

Airgas Part #:Z03NI8522003062

X03NI75C30057W3

5% Hydrogen, 20% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

5% Hydrogen, 20% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

Show Full Description Hide Full Description

Compare

5% Hydrogen, 20% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

5% Hydrogen, 20% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

5% Hydrogen, 20% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

5% Hydrogen, 20% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

Show Full Description Hide Full Description

Airgas Part #:X03NI75C30057W3

X03HE60Q2005357

5% Carbon Dioxide, 35% Nitrogen, Balance Helium Laser (Non Medical) Certified Grade, Size 200 High Pressure Steel Cylinder, CGA 580

5% Carbon Dioxide, 35% Nitrogen, Balance Helium Laser (Non Medical) Certified Grade, Size 200 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Compare

5% Carbon Dioxide, 35% Nitrogen, Balance Helium Laser (Non Medical) Certified Grade, Size 200 High Pressure Steel Cylinder, CGA 580

5% Carbon Dioxide, 35% Nitrogen, Balance Helium Laser (Non Medical) Certified Grade, Size 200 High Pressure Steel Cylinder, CGA 580

5% Carbon Dioxide, 35% Nitrogen, Balance Helium Laser (Non Medical) Certified Grade, Size 200 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Airgas Part #:X03HE60Q2005357

X03NI73C30014T7

7% Hydrogen, 20% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

7% Hydrogen, 20% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

Show Full Description Hide Full Description

Compare

7% Hydrogen, 20% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

7% Hydrogen, 20% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

7% Hydrogen, 20% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

7% Hydrogen, 20% Carbon Dioxide, Balance Nitrogen Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 350

Show Full Description Hide Full Description

Airgas Part #:X03NI73C30014T7

X03NI85C2003061

5% Carbon Dioxide, 10% Hydrogen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 350

5% Carbon Dioxide, 10% Hydrogen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 350

Show Full Description Hide Full Description

Compare

5% Carbon Dioxide, 10% Hydrogen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 350

5% Carbon Dioxide, 10% Hydrogen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 350

5% Carbon Dioxide, 10% Hydrogen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 350

Show Full Description Hide Full Description

Airgas Part #:X03NI85C2003061

X03HE82Z2003045

4.5% Carbon Dioxide, 13.5% Nitrogen, Balance Helium Laser Grade, (Non Medical) Size 200 High Pressure Steel Cylinder, CGA 580

4.5% Carbon Dioxide, 13.5% Nitrogen, Balance Helium Laser Grade, (Non Medical) Size 200 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Compare

4.5% Carbon Dioxide, 13.5% Nitrogen, Balance Helium Laser Grade, (Non Medical) Size 200 High Pressure Steel Cylinder, CGA 580

4.5% Carbon Dioxide, 13.5% Nitrogen, Balance Helium Laser Grade, (Non Medical) Size 200 High Pressure Steel Cylinder, CGA 580

4.5% Carbon Dioxide, 13.5% Nitrogen, Balance Helium Laser Grade, (Non Medical) Size 200 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Airgas Part #:X03HE82Z2003045

X03HY70C3HA0001

5% Nitrogen, 25% Carbon Dioxide, Balance Hydrogen Certified Reference Material, Size 300 High Pressure Aluminum Cylinder, CGA 350

5% Nitrogen, 25% Carbon Dioxide, Balance Hydrogen Certified Reference Material, Size 300 High Pressure Aluminum Cylinder, CGA 350

Show Full Description Hide Full Description

Compare

5% Nitrogen, 25% Carbon Dioxide, Balance Hydrogen Certified Reference Material, Size 300 High Pressure Aluminum Cylinder, CGA 350

5% Nitrogen, 25% Carbon Dioxide, Balance Hydrogen Certified Reference Material, Size 300 High Pressure Aluminum Cylinder, CGA 350

5% Nitrogen, 25% Carbon Dioxide, Balance Hydrogen Certified Reference Material, Size 300 High Pressure Aluminum Cylinder, CGA 350

5% Nitrogen, 25% Carbon Dioxide, Balance Hydrogen Certified Reference Material, Size 300 High Pressure Aluminum Cylinder, CGA 350

Show Full Description Hide Full Description

Airgas Part #:X03HY70C3HA0001

X03HE81Z30057W5

3.4% Carbon Dioxide, 15.6% Nitrogen, Balance Helium Laser Grade (Non Medical), Size 300 High Pressure Steel Cylinder, CGA 580

3.4% Carbon Dioxide, 15.6% Nitrogen, Balance Helium Laser Grade (Non Medical), Size 300 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Compare

3.4% Carbon Dioxide, 15.6% Nitrogen, Balance Helium Laser Grade (Non Medical), Size 300 High Pressure Steel Cylinder, CGA 580

3.4% Carbon Dioxide, 15.6% Nitrogen, Balance Helium Laser Grade (Non Medical), Size 300 High Pressure Steel Cylinder, CGA 580

3.4% Carbon Dioxide, 15.6% Nitrogen, Balance Helium Laser Grade (Non Medical), Size 300 High Pressure Steel Cylinder, CGA 580

3.4% Carbon Dioxide, 15.6% Nitrogen, Balance Helium Laser Grade (Non Medical), Size 300 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Airgas Part #:X03HE81Z30057W5

X03NI88C2002193

5% Carbon Dioxide, 7% Hydrogen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 350

5% Carbon Dioxide, 7% Hydrogen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 350

Show Full Description Hide Full Description

Compare

5% Carbon Dioxide, 7% Hydrogen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 350

5% Carbon Dioxide, 7% Hydrogen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 350

5% Carbon Dioxide, 7% Hydrogen, Balance Nitrogen Certified Reference Material, Size 200 High Pressure Steel Cylinder, CGA 350

Show Full Description Hide Full Description

Airgas Part #:X03NI88C2002193

X03HE65C30078F1

3.14% Carbon Dioxide, 31.41% Nitrogen, Balance Helium Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

3.14% Carbon Dioxide, 31.41% Nitrogen, Balance Helium Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Compare

3.14% Carbon Dioxide, 31.41% Nitrogen, Balance Helium Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

3.14% Carbon Dioxide, 31.41% Nitrogen, Balance Helium Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

3.14% Carbon Dioxide, 31.41% Nitrogen, Balance Helium Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

3.14% Carbon Dioxide, 31.41% Nitrogen, Balance Helium Certified Reference Material, Size 300 High Pressure Steel Cylinder, CGA 580

Show Full Description Hide Full Description

Airgas Part #:X03HE65C30078F1

X04HY45C3HA0000

10% Nitrogen, 15% Carbon Dioxide, 30% Carbon Monoxide, Balance Hydrogen Certified Reference Material, Size 300 High Pressure Aluminum Cylinder, CGA 350

10% Nitrogen, 15% Carbon Dioxide, 30% Carbon Monoxide, Balance Hydrogen Certified Reference Material, Size 300 High Pressure Aluminum Cylinder, CGA 350

Show Full Description Hide Full Description

Compare

10% Nitrogen, 15% Carbon Dioxide, 30% Carbon Monoxide, Balance Hydrogen Certified Reference Material, Size 300 High Pressure Aluminum Cylinder, CGA 350

10% Nitrogen, 15% Carbon Dioxide, 30% Carbon Monoxide, Balance Hydrogen Certified Reference Material, Size 300 High Pressure Aluminum Cylinder, CGA 350

10% Nitrogen, 15% Carbon Dioxide, 30% Carbon Monoxide, Balance Hydrogen Certified Reference Material, Size 300 High Pressure Aluminum Cylinder, CGA 350

Show Full Description Hide Full Description

Airgas Part #:X04HY45C3HA0000

Gas Supply

Gas Supply Modes
Bulk
Cylinders
Dynamic On-site Mixer
Jobsite Skid
Liquid Cylinders
MicroBulk
On-site Generation - FLOXAL

Solutions

Airgas Dry Ice
eBusiness Solutions
Red-D-Arc
Safety Solutions
Supply Chain Solutions
Welding Automation
Welding Efficiency

Industries

Airgas Healthcare
Beverage
Construction
Energy & Chemicals
Food
Life Sciences
Metal Fabrication
Primary Materials
Retail

Resources

Catalogs
COA Search
FAQs
Offers & Rebates
Safety Notices
SDS Search
Tutorials
User Guides

Our Company

Careers
Diversity and Inclusion
Events
Fill Your Potential
Mergers & Acquisitions
Newsroom
Overview
Sustainability
Visit Parent Company

Contact

Connect with Sales
Customer Service
Find a Branch
Emergency Response

Log In
Register
Shop Products
Find A Branch
Industries
Solutions
Customer Service
Search Careers
Newsroom

© 2024 Airgas, Inc. All Rights Reserved.
|Customer Service ||Privacy Policy ||Terms & Conditions ||Terms of Sale ||Do Not Sell/Share My Personal Information ||Mobile App Policy ||Website Accessibility ||Return Policy |

B9307A1F91122AFCC7C1B9ABB02D1367

B9307A1F91122AFCC7C1B9ABB02D1367