Mississippi Welders Supply Co.
PurityPlus Specialty Gas

Laboratory and Medical Gases

Dependable, High-Purity Products with Every Delivery

PurityPlus gives our customers a single source for medical, industrial and laboratory gases and gas related equipment. Through our state-of-the-art fill plant and laboratory, PurityPlus provides everything from ultra-high purity and research-grade pure gases and mixtures, to medical-grade and EPA protocol blends. All PurityPlus products are filled under stringent quality controls. Our highly trained technicians are provided with the latest technology and the capacity to detect, identify and quantify gas components. PurityPlus’ exacting standards mean dependable, high-purity products with every delivery.

Why PurityPlus?

  • Expansive range of products and services
  • State-of-the-Art facility and technology
  • Small enough to act quickly, large enough to act completely
  • Trained, experienced, courteous staff - Service-oriented and highly responsive
  • Serving the Tri-State area since 1939 - Local people serving your needs

State-of-the-Art Specialty Gas Laboratory

  • Gow Mac Gas Chromatograph
  • Thermco Binary Gas Mix Analyzer
  • Gavimetric Scale
  • Servomax Oxygen Purity Analyzer
  • Beckman Moisture PPM Analyzer
  • Ameteck Oxygen PPM Analyzer
  • Beckman Hydrocarbon PPM Analyzer

PurityPlus Gases Include:

  • Oxygen
  • Nitrogen
  • Argon
  • Krypton
  • Xenon
  • Nitrous Oxide
  • Carbon Dioxide
  • Helium
  • Breathing Air
  • Blood Gas Mixtures
  • Lung Diffusion Mixtures
  • Anaerobic Mixtures
  • Aerobic Mixtures
  • Sterilant Gases
  • Laser Gas Mixes

To browse our complete PurityPlus Catalog, click here.

For more information on Laboratory and Medical Gas, contact:

Mike Corell
Medical and Specialty Gas Product Specialist
(608) 206-6714


Eleven Locations


Veteran Owned Small Business