ammonia: References & Edit History
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Article Contributors
Primary Contributors
Other Contributors
- Alexander More
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Modified link of Web site: National Center for Biotechnology Information - Biochemistry, Ammonia. | Nov 01, 2026 | ||
| Add new Web site: GOV.UK - Ammonia: general information. | Mar 30, 2026 | ||
| Add new Web site: CellPress - Nexus - From fertilizer to fuel: Ammonias evolution and role in global decarbonization. | Feb 20, 2026 | ||
| Add new Web site: IOPscience - Nano Future - Recent advances in photoelectrochemical ammonia synthesis (PDF). | Jan 10, 2026 | ||
| Top questions and answers added. | Nov 28, 2025 | ||
| Add new Web site: Canadian Center for Occupational Health and Safety - Ammonia. | Oct 28, 2025 | ||
| Add new Web site: Frontiers - Frontiers in Mechanical Engineering - Ammonia as Green Fuel in Internal Combustion Engines: State-of-the-Art and Future Perspectives. | Jun 13, 2025 | ||
| Add new Web site: American Institute of Chemical Engineers - Introduction to Ammonia Production (PDF). | Apr 15, 2025 | ||
| Add new Web site: New York State - Department of Health - The Facts About Ammonia. | Dec 18, 2024 | ||
| Add new Web site: Chemical Safety Facts - Ammonia. | Aug 02, 2024 | ||
| Add new Web site: Centers for Disease Control and Prevention - Chemical Emergencies - Ammonia. | May 08, 2024 | ||
| Add new Web site: Science - Ammonia�a renewable fuel made from sun, air, and water�could power the globe without carbon. | Feb 15, 2024 | ||
| Add new Web site: Cleveland Clinic - Ammonia Levels. | Nov 07, 2023 | ||
| Add new Web site: University of Bristol - Department of Chemistry - Ammonia. | Aug 17, 2023 | ||
| Add new Web site: Chemistry LibreTexts - NH3. | Jul 07, 2023 | ||
| Add new Web site: American Chemical Society - Ammonia. | Mar 31, 2023 | ||
| Add new Web site: United States Enviromental Protection Agency - Ammonia. | Dec 09, 2022 | ||
| Add new Web site: National Center for Biotechnology Information - Biochemistry, Ammonia. | Sep 06, 2022 | ||
| Added material about ammonia being a commonly used fertilizer in the United States and urea being the most common nitrogen fertilizer worldwide. |
|
Mar 06, 2017 | |
| Changed "Solvay process" to "the Solvay process." Added material about the use of hydroxylamine in the preparation of oximes. | Apr 22, 2016 | ||
| Add new Web site: The Fertilizer Institute - Ammonia Fact Sheet. | Jan 21, 2016 | ||
| Add new Web site: The Essential Chemical Industry Online - Ammonia. | Jan 21, 2016 | ||
| Add new Web site: Science is Fun - Chemical of the Week - Ammonia. | Jan 20, 2016 | ||
| Add new Web site: Buzzle.com - Ammonia. | Dec 25, 2013 | ||
| Added new Web site: How Stuff Works - Healthguide - Ammonia Poisoning. | Sep 25, 2008 | ||
| Article revised and updated. | Aug 15, 2008 | ||
| Article added to new online database. | Jul 20, 1998 |
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