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Shelf Life

 

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Non-Reactive Gases: 48 Months

(Acetylene, Argon, Benzene, Butane, Butadiene, Carbon Dioxide, Carbon Monoxide, Ethane, Ethanol, Ethylene, Freon, Helium, Hexane, Hydrogen, Isobutane, Isobutylene, Methane, Methyl Chloride, Methyl Mercaptan, Nitrogen, Nitrous Oxide, Oxygen, Pentane, Propane, Propylene, Toluene )

Four-Gas Calibration Mixtures: 15 Months

With (Hydrogen Sulfide and/or Sulfur Dioxide)

Individual Gas Shelf Life:

Ammonia (NH3) 24 Months
Arsine (AsH3) 12 Months
Carbonyl Sulfide (COS) 12 Months
Chlorine (CI2) (34 Liter 4, 3, 2 PPM) 3 Months
Chlorine (CI2) (58 Liter 4, 3, 2 PPM) 6 Months
Chlorine (CI2) 1 PPM 3 Months
Chlorine (CI2) 5 PPM and higher 12 Months
Ethylene Oxide (ETO) 12 Months
Hydrogen Chloride (HCl) 12 Months
Hydrogen Cyanide (HCN) 12 Months
Hydrogen Sulfide (H2S) 24 Months
Hydrogen Sulfide 1 PPM (H2S) 6 Months
Nitric Oxide (NO) 12 Months
Nitrogen Dioxide (NO2) 12 Months
Phosphine (PH3) 12 Months
Silane (SiH4) 12 Months
Sulfur Dioxide (SO2) 24 Months

Note: All accessories purchased for use with GASCO calibration gas have a one (1) year limited warranty from date of purchase.

Typical Mixing Time:

Reactive Gases: 2-3 Days 

H2S Mixtures: 2 Days

Non-Reactive Calibration Gases: 1-2 Days

Specialty Gases: Typically 18-20 Business days

 

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