بایگانی‌های compatible Nitrogen - dawnbreeze

What is Nitrogen?

  • Nitrogen makes the most layer of the atmosphere, which means that it’s include%78.08 of the air volume and %75.5 of the air weight.
  • Nitrogen gas is colorless, odorless, tasteless, non-toxic and almost neutral and colorless in liquid form.
  • Nitrogen is non-flammable and has no role in combustion. This gas combines with some active metals such as lithium and magnesium also a type of nitrate.
  • This gas has the ability to combine with hydrogen, oxygen and other elements at very high temperatures dissolve very little nitrogen in water and other liquids and is also a very poor conductor of electricity and heat.

Available nitrogen grades:

%99.9999 – %99.9995 – %99.999 – %99.998 – %99.99 – %99.9


Tanks and maintenance:

  • The gas-phase of Nitrogen can be transported and stored in pressurized Venice cylinders in trailer tubes.
  • Nitrogen in the liquid phase is transported and stored in small portable fluxes and cryogenic tanks

Compatible and incompatible materials:

  • Nitrogen is a neutral, non-corrosive gas that can be used in all systems made of ordinary metals.
  • At liquid nitrogen temperatures, carbon steels and many steel alloys lose their malleability.
  • Suitable materials for use in the presence of liquid nitrogen are stainless steel (eg types 304 and 316) and other alloys of nickel, chromium, copper, monel, brass and austenitic aluminum.
Molecular Weight 70.906
steam pressure 786.7 K. Pa @ 21.1 0C
Gas density 3.2127 Kg/m3 @ 0 0C and 1 atm
The latent heat of evaporation at the boiling point  288.08 KJ/Kg
Special heat capacity CP=0.48422 KJ/Kg.0C

CV=0.36 KJ/Kg.0C

CP/CV=1.334

Critical temperature 143.750C
Critical pressure 7977.5 KPa(a)
Ability to dissolve in water 0.7% vol.(gas)/Vol.(Water) at 0 0C and 1 atm
Explosion / ignition range in air Poison gas , Oxidizer

Material Compatibility of Nitrogen

 

METALS PLASTICS ELASTOMERS

Brass

CARBON STEEL

StainLess Steel

Alumium

Zinc

CoPPER

Monel

Kel-F

Teflon

Tefzel

Kynar

PVC

Polycarbonate

Viton® Buna-N Neoprene Polyurethane

Updating

Kalrez

GAS Updating Updating Updating Updating Updating Updating Updating Updating Updating Updating Updating Updating Updating Updating Updating Updating Updating

 

S – Satisfactory for use with the intended gas
C – Conditional. May be incompatible under some circumstances or conditions Contact your Praxair representative for additional information
U – Unsatisfactory for use with the intended gas
I – Insufficient data available to determine compatibility with the intended gas
O – All nonmetalic, even those considered compatible, may be ignitable in oxygen enriched environments or in other oxidizing gases. Successful
use depends upon oxygen purity, pressure, temperature, cleanliness and elimination of ignition mechanisms. Please contact your Praxair
Representative for additional information

Classification of dangerous Products:

Dangerous Products Transport Information:

 

IATA IMDG DOT
UN 1017
UN 1017 UN 1017 UN NUMBER
Chlorine Chlorine Chlorine UN SHIPPING NAME
2.3,5.1 2.3,5.1 2.3,5.1 TRANSPORT HAZARD CLASS
NO NO NO ENVIRONMENTAL HAZARD

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