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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.
Certified Standards, sometimes referred to as working standards, are analyzed calibration mixtures used routinely in sience and industry. For the majority of applications, the tolerance of a Certified Standard is acceptable. These standards are generally prepared either by partial pressure or gravimetrically. Certification of the standard is performed through quality control analysis on instrumentation calibrated with Airgas Registered Laboratory Standards.
Airgas operates its own dedicated blending facilities as well as maintains a national network of blending technology to ensure accurate, consistent production.
Safety
Always use in accordance with the Safety Data Sheet (SDS)
Cylinder must be stored and used in an upright, secured position in a well-ventilated or monitored area.
Always follow local fire code requirements when storing gas cylinders.