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20% Carbon Dioxide 21% Oxygen Balance Nitrogen Certified Standard Mixture, Size 200 Cylinder, CGA-590

Airgas Part #:X03NI59C20034T3


Manufacturer #:NI59C20034T3


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Min Qty: 1 CL - Cylinder

Typically in Stock

Item Details

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.


  • Size 200 High Pressure Industrial Cylinder DOT Specification: 3AA-2015 - Canada 3AA-M154 O.D.: 9" - 229 mm Length: 51" - 1295 mm Weight: 106 lbs - 48 kg Airco/BOC = H
  • Sizes may vary by location. Contact your Airgas representative or local branch location for availability in your area.

Product Attributes

CGA Connection

» 590

Gas Comp 3 Amount

» -1

Gas Comp 2 Amount

» 21

Gas Comp 1 Type


Gas Comp 3 Type


Cylinder Size

» 200

Gas Grade

» Certified Standard

Balance Gas


Gas Comp 2 Type


Gas Comp 1 Amount

» 20