Specialty Gases

PiSci sources high-quality calibration gas mixtures from Specialty Gases – a trusted global supplier of non-refillable cylinders manufactured to the latest ISO standards. These specialty gases are used across industries including shipping, mining, agriculture, petrochemicals, and environmental monitoring. Ideal for gas detection, analysis, and calibration, our stock mixtures support critical applications in safety, research, and process control.

REACTICITY KEY

🔵 Blue for NR = Non-Reactive
🔴 Red for R = Reactive
⚫️ Grey for VR = Very Reactive

• Zero Grade Air
• 25ppm Ammonia Balance Air
• 50ppm Ammonia Balance Air
• 100ppm Ammonia Balance Air
• 1000ppm Ammonia Balance Air
• 1% Ammonia Balance Air
• 4.5% Ammonia Balance Air
• 30% LEL Ammonia Balance Air
• Argon
• 0.75% n-Butane Balance Air
• 7.5% Butane Balance Nitrogen
• 8% Butane Balance Nitrogen
• 8% Butane/13.5% Carbon Dioxide Balance Nitrogen
• 8% Butane/13.8% Carbon Dioxide Balance Air
• 0.9% Butane/Air
• 1750ppm Carbon Dioxide Balance Nitrogen
• 2500ppm Carbon Dioxide Balance Nitrogen
• 3% Carbon Dioxide Balance Nitrogen
• 0.5% Carbon Dioxide Balance Nitrogen
• 5% Carbon Dioxide Balance Nitrogen
• 5% Carbon Dioxide/17% Oxygen Balance Nitrogen
• 10% Carbon Dioxide Balance Nitrogen
• 50% Carbon Dioxide Balance Nitrogen
• 4.5 Grade Carbon Dioxide
• Carbon Dioxide
• 20ppm Carbon Monoxide Balance Air
• Carbon Monoxide T/Grade
• 50ppm Carbon Monoxide Balance Air
• 100ppm Carbon Monoxide Balance Air
• 500ppm Carbon Monoxide Balance Air
• 500ppm Carbon Monoxide Balance Nitrogen
• 1000ppm Carbon Monoxide Balance Air
• 2000ppm Carbon Monoxide Balance Air
• 50ppm Carbon Monoxide/500ppm Carbon Dioxide Balance Nitrogen
• 1% Carbon Monoxide Balance Nitrogen
• 5% Carbon Monoxide Balance Nitrogen
• 5ppm Chlorine Balance Nitrogen
• 10ppm Chlorine Balance Nitrogen
• 1% Chlorine Balance Nitrogen
• 150ppm Ethanol Balance Nitrogen
• 215ppm Ethanol Balance Nitrogen
• 5ppm Ethylene Balance Nitrogen
• 50% LEL Ethylene Balance Air
• Helium
• 50ppm Hydrogen Balance Nitrogen
• 100ppm Hydrogen Balance Nitrogen
• 1000ppm Hydrogen Balance Air
• 1% Hydrogen Balance Air (25% LEL)
• 2% Hydrogen Balance Air (50% LEL)
• 90% Hydrogen Balance Nitrogen
• 100ppm Hydrogen Balance Nitrogen
• 20ppm Hydrogen Chloride Balance Nitrogen
• 10ppn Hydrogen Cyanide Balance Nitrogen
• 100ppm Hydrogen Cyanide Balance Nitrogen
• 10ppm Hydrogen Sulphide Balance Nitrogen
• 25ppm Hydrogen Sulphide Balance Nitrogen
• 28ppm Hydrogen Sulphide Balance Nitrogen
• 75ppm Hydrogen Sulphide Balance Nitrogen
• 1% Hydrogen Sulphide Balance Nitrogen
• 8% Iso-Butane Balance Nitrogen
• 100ppm Iso-Butylene Balance Air
• 275ppm Iso-Butylene Balance Air
• 800ppm Methane Balance Air
• 0.5% Methane Balance Air
• 1% Methane Balance Air (20% LEL)
• 1.5% Methane Balance Air (30% LEL)
• 15% Oxygen Balance Nitrogen
• 2.0% Methane Balance Air (40% LEL)
• 2.5% Methane/50ppm Carbon Monoxide/12% Oxygen Balan ce Nitrogen
• 5% Methane/1% Carbon Dioxide Balance Nitrogen
• 5% Methane/10% Carbon Dioxide Balance Nitrogen
• 2.5% Methane/18.5% Oxygen Balance Nitrogen
• 2.5% Methane Balance Air (50% LEL)
• 50% Methane Balance Nitrogen
• 50% Methane Balance Carbon Dioxide
• 40% Methane/20% Carbon Dioxide Balance Nitrogen
• 60% Methane Balance Carbon Dioxide
• Methylene Chloride Balance Air
• Pure Nitrogen
• 25ppm Nitric Oxide Balance Nitrogen
• 1000ppm Nitric Oxide Balance Nitrogen
• 10ppm Nitrogen Dioxide Balance Air
• 1000ppm Nitrogen Dioxide Balance Air
• 50% Nitrous Oxide Balance Nitrogen
• 99.5% Nitrous Oxide
• 1% Oxygen Balance Nitrogen
• 2.1% Oxygen Balance Nitrogen
• 5% Oxygen Balance Nitrogen
• 8% Oxygen Balance Nitrogen
• 18.5% Oxygen Balance Nitrogen
• 500ppm Oxygen Balance Nitrogen
• 99.99% Oxygen
• 20ppm Phoshine Balance Nitrogen
• 800ppm Propane Balance Nitrogen
• 0.7% Pentane Balance Air (50% LEL)
• 0.6% Propane Balance Air (25% LEL)
• 1.1% Propane Balance Air (50% LEL)
• 100ppm R22 Balance Air
• 1000ppm R22 Balance Air
• 5000ppm R22 Balance Air
• 500ppm R404A Balance Air
• 1000ppm R404A Balance Air
• R407C Balance Air
• 1000ppm R507 Balance Air
• 1000ppm R134A Balance Air
• 5ppm Sulphur Dioxide Balance Nitrogen
• 15ppm Sulphur Dioxide Balance Nitrogen
• 100ppm Sulphur Dioxide Balance Nitrogen
• 500ppm Sulphur Dioxide Balance Nitrogen
• 1000ppm Sulphur Dioxide Balance Nitrogen
• Synthetic Air
• 100ppm Trichloroethylene Balance Air

This is a complete list of commonly supplied specialty gas mixtures. Additional custom blends available on request. Minimum order quantities may apply for non-stock mixtures.