f N in soils are ammonium (NH4) and nitrate (NO3), which are both useable by plants. Organic nitrogen may be present as a living organism, as humus, or as the intermediate products of organic matter …

Understanding the Basic Principles of Nitrogen (excerpted from an article by Robert Scott the Wastewater Technician for the Atlantic States Rural Water & Wastewater Association.)

Excerpt from ERG Guide 121 [Gases - Inert]: Vapors may cause dizziness or asphyxiation without warning. Vapors from liquefied gas are initially heavier than air and spread along ground. (ERG, …

Nitrogen, N2 (Compressed) Description: e, chemically inert gas. Sh Cylinder Color Code: BLACK

Certain types of bacteria are able to use the free nitrogen in the air to make nitrogen compounds through a process called nitrogen fixation. Most of the nitrogen fixation on Earth occurs as a result of …

A long period of stable and low natural gas prices in the United States made it economical for companies to upgrade existing ammonia plants and construct new nitrogen facilities.

of molecular nitrogen are derived and tabulated as functions of temp-erature and pressure. In addition to a mathematical model for the pressure -volume-temperature surface, accurate fujictions are given.