Pure Gases

Trace Analytics, LLC provides analyses for pure gases used in a variety of industries. Testing can include gas purity by difference e.g. the pure gas concentration is determined to ± 0.3% absolute, then all other determined gases are subtracted from 100.00% to arrive at the reported value.

We provide Gas Purity Testing for the following gases:

Argon
Nitrogen
Nitrous Oxide
Oxygen

Impurity Testing – Inert Gases

Impurities such as oxygen, nitrogen, carbon monoxide, carbon dioxide, total volatile hydrocarbons, halogenated hydrocarbons, and water can be determined for the above pure gases. We can also provide analyses of particles, water, and oil for pure gas systems.

The following are gas specifications commonly used. We can also provide a custom specification based on your requirements.

Pure Gases - Selected Air Quality Specifications

Air Quality Specification

THC

CH₄

CO₂

H₂O

DP, °F

O₂

N₂

OIL

ODOR

Other

CGA G-4.3-2007 Type I Grade D Oxygen

N/A

-54.5

99.5

N/A

None

N/A

CGA G-10.1-2008 Type I Grade B Nitrogen

N/A

0.1

99.0(N)

N/A

Commercial Item Description, CID A-A-59503C, Nitrogen, Type I, Grade B

N/A

-64

0.5

99.5(N)

N/A

No Odor

Particulate Matter Maximum Dimension, µm (M)

IEST-STD-CC1246D-2002 Levels 100 and A/100(I)

N/A

100 (M1)

N/A

No. Particles 5 µm Dia. and Larger

No. Particles 15 µm Dia. and Larger

Additional Particle Size Ranges Below

1780

264

N/A

MIL-PRF-27401F-2008 Nitrogen Grade A Type I (N1)

58.3

N/A

26.3

-63.5

0.5

≥99.5

N/A

Impurities, ppmv (M3)

≤5,000

Navy A-A-59155-2008 Grade B Nitrogen

N/A

-64

0.5

99.5(N)

N/A

None

Moisture Content, mg/L

Particle Content, >50 µm

Other

0.02

None

N/A

USP Nitrogen 99 Percent-2007

N/A

≤1.0

≥99

N/A

None Discernable

N/A

USP Oxygen 93 Percent-2011

N/A

300

N/A

90.0-96.0

N/A

USP Oxygen 99 Percent-2004

N/A

300

N/A

99.0-100.0

N/A

THC = Total Gaseous Hydrocarbons, ppmv	CO₂ = Carbon Dioxide, ppmv	O₂ = Oxygen, volume %	HS = Halogenated Solvents, ppmv
CO = Carbon Monoxide, ppmv	H₂O = Water, ppmv	N₂ = Nitrogen, volume %	Odor = Odor as supplied by customer
CH₄ = Methane, ppmv	DP = Dew Point, °F at 0 psig	Oil = Oil Mist & Particulate, mg/m³

Air & Gas Specifications referenced above may be viewed and/or purchased from: CGA - Compressed Gas Association • U.S. Navy Dive Manual • U.S. Pharmacopeial Convention