ALPHAGAZ™ is Air Liquide's premium brand of pure gases and instrumentation mixtures for laboratories and testing. It has been well appreciated by customers worldwide for its simpler choices of products with only two levels of purity, reliable analysis thanks to an optimized range of pure gases and its ease of handling thanks to the SMARTOP™ RPV valve.
Our Complete High Purity Gas Offer
Ready to support your business.
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High Purity Gas
ALPHAGAZ™ series -
Product Packaging
< 500 Nm³ to 2000 Nm³ per month
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Technical Expertise
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ALPHAGAZ™ High Purity Gas
Air Liquide R&D teams worked with major analytical manufacturers to determine the recommended gas purity for their instrumentation. Our findings indicated that two basic ranges for gas purity are enough to ensure optimal performance in most applications. All our products are made to guarantee repeatability and traceability of your analyses.
Our ALPHAGAZ™ Pure Gases
ALPHAGAZ™ 1
For the accuracy of analysis - ranging from % to ppm
ALPHAGAZ™ 1 pure gases exceed the purity recommendations of most laboratory instrument manufacturers, making them an obvious choice for all-around laboratory use. Providing guaranteed low impurity levels, ALPHAGAZ™ 1 products are ideal for most analytical and process control applications.
| Ar - Air - He - H₂- N₂ | CO₂- NO₂ - C₂H₂ | Shelf life | |
|---|---|---|---|
| H₂O < 2 ppm O₂ < 2 ppm* CₙHₘ < 0.5 ppm CO < 0.5 ppm CO₂ < 0.5 ppm |
Contact Us | 60 Months | |
ALPHAGAZ™ 2
For the high accuracy of analysis - ranging from ppm to ppb
All ALPHAGAZ™ 2 pure gases exhibit very low impurity levels available in the industry, making them the best choice for laboratory, analytical and process control applications where uncompromised ultra-high purity is needed.
| Ar - Air - He - H₂- N₂ | CO₂- NO₂ - C₂H₂ | Shelf life | |
|---|---|---|---|
| H₂O < 0.5 ppm O₂ < 0.1 ppm CₙHₘ < 0.1 ppm CO < 0.1 ppm CO₂ < 0.1 ppm H₂ < 0.1 ppm |
Contact Us | 60 Months | |
Product Packaging Options
We offer flexibility in supply to match your needs.
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Cylinder 
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Pack 
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Liquid Gas Cylinders (LGC) 
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|---|---|---|---|---|
| Monthly Consumption Rate To be used for reference only |
up to 500 Nm³ |
up to 1,000 Nm³ |
up to 2,000 Nm³ |
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Premium Cylinder TOPs
Focusing on simplicity and safety.
Our Patented SMARTOP™ Cylinder Cap
A new advanced cylinder package for ALPHAGAZ™ calibration mixtures.
- Double On/Off levers
- Integrated pressure gauge
- Ergonomic shock
- Built in pressure regulator suitable for your gas mixture
- Built-in flow restriction
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Let our experts get back to you.