Specialty Gases look beyond the application to other factors such as purity level, complexity, and certainty of composition. We offer a complete line of specialty gases filled to one quality standard at our ISO accredited specialty gas laboratory and production facility. By filling many specialty gases in-house, we maintain a controlled process, provide product traceability, under one quality manual.  Our state-of-the-art specialty gas blend cells provide reduced lead-times and repeatability with custom and standard blend requests. 




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Pure Gases

Ultra high purity, research grade, instrument grade, chemically pure and chromatographic are all ways to describe the purity of a gas. With our ISO lab we can provide certificates of certainty and certificates of analysis so you can be assured of the quality of your product. Please download our catalogue for more details on our pure gases.

Mixed Gases

Our independently audited and certified laboratory uses high accuracy scales combined with best practice cylinder preparation techniques to ensure the most accurate and stable mixtures in the industry. We also employ the most sensitive instrumentation and certified reference gases to accurately analyze all the raw materials used in the manufacture of our mixed gases. We offer several grades and certificates of analysis to ensure our customers received the most accurate mixtures possible. Please download our catalogue for more details on our mixed gases.

Special Application Mixtures

We recognize the importance of having the right mixture for special applications. Here are some of the most frequently requested mixtures. Please download our catalogue for more details on our special application mixtures.

  • Beverage and Food
  • Biological Atmosphere Mixtures
  • EPA Protocol
  • Portable Calibration Standards
  • Flame Ionization Fuel Mixtures
  • Leak Detection Mixtures
  • Laser Mixtures
  • TCD Carrier Mixtures
  • Multicomponent Hydrocarbon Mixtures
  • Semiconductor
  • Medical

Specialty Gas Equipment

Contamination, leak protection, pressure, material, are just some of the concerns you may have about your equipment. Specialty gases require extra care when selecting the equipment which delivers your gas to your process. Our experienced gas experts can assist you with selecting equipment to fit your gas and application. Please download our catalogue for more details on our specialty gas equipment.


  • Special Gas Services Tech
  • special gas supplies & pipes
  • purity plus specialty gases tech
Specialty Gases

Our PurityPlus® Lab

Do you know how your gas is made? Toll’s State-of-the-Art, ISO Accredited Laboratory will give you peace of mind. Toll’s custom-designed analytical testing can provide you with either a Certificate of Conformance or a Certificate of Analysis. Custom blends, not a problem. Our blend cells can fill multi-component gas mixtures, based on your specifications. With this system repeatability is a cinch and reliability an expectation.

Click to View our accreditation certificate below:

Toll Gas ISO 9001:2015 Certification


Visit Our Specialty Gas Site:

PurityPlus® Lab

See It For Yourself

You will not find another Specialty Gas Laboratory like it in the Midwest. If you would like a tour of our Specialty Gas Laboratory, please contact our Gas Technology Team for a tour – you will not be disappointed.

Features & Benefits

PurityPlus® Specialty Gas Value-Add Services

  • ISO 9001:2015 Accredited
  • COC or COA Available Upon Request
  • H.P. Cylinders w/ Shrink Wrapped Valves
  • Technical Support
  • Complimentary Safety Training
  • Disposal Cylinder Recycling 
  • Lab / Safety Efficiency Evaluation
  • Gas Technology Team dedicated to provide you a turn-key solution to your process requirements.

Can’t Find What You're Looking For?

Questions, comments, or just want to say hello? Feel free to reach out to us. We look forward to assisting you.