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Claim analyzed
General“Urea ammonium nitrate solution (UAN) is a liquid nitrogen fertilizer made primarily from urea, ammonium nitrate, and water.”
Submitted by Sharp Sparrow 3495
The conclusion
The evidence strongly supports this description of UAN. Authoritative chemical, academic, and agricultural sources consistently identify it as a liquid nitrogen fertilizer whose main components are urea, ammonium nitrate, and water. Minor additives may appear in some commercial formulations, but they do not change the product's primary composition.
Caveats
- Some commercial UAN formulations may contain minor additives such as corrosion inhibitors or dyes.
- A production process may generate ammonium nitrate in situ from nitric acid and ammonia, but that does not change the final composition described in the claim.
- The claim concerns primary composition, not an exhaustive ingredient list or a specific manufacturing route.
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Sources
Sources used in the analysis
The UREA/AMMONIUM NITRATE (UAN) solution is created by dissolution of the amide and nitrate salt in water. It may have a slight ammonia odor. Approximately 35% UREA blended with 45% AMMONIUM NITRATE makes a fertilizer solution that is 32% nitrogen by weight.
Urea-ammonium nitrate solution (UAN) integrates three nitrogen forms, namely, nitrate nitrogen, ammonium nitrogen, and amide nitrogen, and has been widely used as a liquid nitrogen fertilizer. UAN contains three forms of N, namely, NH4+-N, NO3−-N, and amide nitrogen.
PubChem identifies urea ammonium nitrate as a mixture used in fertilizer applications. The entry notes the substance is a mixture rather than a single compound, consistent with UAN being a liquid fertilizer made from urea, ammonium nitrate, and water.
The SDS identifies the product as UAN 28%, UAN 30%, and UAN 32% nitrogen, also labeled UN-28, UN-30, and UN-32. It classifies the product as a fertilizer mixture, supporting that UAN is a liquid nitrogen fertilizer product.
Simplot nitrogen solution UAN-28 and UAN-32 are clear, non-pressure, solutions of ammonium nitrate and urea. Both UAN-28 and UAN-32 are composed of 25% nitrate nitrogen, 25% ammonium nitrogen and 50% urea.
Urea ammonium nitrate solution (Urea Ammonium Nitrate solution), is called for short UAN solution, also referred to as nitrogen solution, is abroad formulated by urea, ammonium nitrate and water. UAN solution is a kind of liquid nitrogenous fertilizer of stable, colourless, normal pressure, and product pH value requires to be controlled between 6.5-7.5.
Urea-ammonium nitrate (UAN) Urea-ammonium nitrate has 28 to 32% N. These materials have 50% urea, 25% ammonium, and 25% nitrate. The weight of solution per gallon is 10.70 for the 28% and 11.05 lb for the 32% solution.
Nitrogen fertilizers include urea, ammonium nitrate, anhydrous ammonia, and solutions such as urea-ammonium nitrate (UAN). These materials are used as sources of nitrogen for crop production. The urea in UAN is hydrolyzed in soil, contributing to the fertilizer's nitrogen supply.
ACL-001, UAN Solution 28% UAN Solution 32%, Urea Ammonium Nitrate (UAN) Solution. When the water in UAN evaporates, it leaves a residue of solid ammonium nitrate and urea; solid ammonium nitrate can explode.
UAN solution is a liquid fertilizer product that combines urea, nitric acid and ammonia to form a solution containing 32% nitrogen. UAN can be applied more ...
Urea-Ammonium Nitrate (UAN) Solution. These liquid fertilizers are made by dissolving urea and ammonium nitrate fertilizers in water. These fertilizers are ...
Product description: UAN 32-0-0 is a liquid nitrogen fertilizer containing urea and ammonium nitrate dissolved in water. This solution supplies nitrogen to crops in urea, ammonium, and nitrate forms.
UAN is a liquid urea and ammonium nitrate solution that typically contains 28–32% nitrogen. UAN is a liquid urea and ammonium nitrate solution that typically contains 28–32% nitrogen.
In many industrial and agricultural specifications, UAN solutions are described as primarily consisting of urea, ammonium nitrate, and water, but commercial products can also contain small amounts of corrosion inhibitors, anti-caking agents, or dye. These additives do not change the fact that the main active fertilizer components are urea and ammonium nitrate dissolved in water.
The page states that UAN-32 contains 43–48% ammonium nitrate and 33–37% carbamide (urea). It also describes UAN as containing nitrogen in nitrate, ammonium, and amide forms, and treats it as a liquid fertilizer.
UAN solution is a liquid fertilizer composed of urea, ammonium nitrate, and water. It typically contains 28-32% nitrogen. ... It consists of three primary components: urea, ammonium nitrate, and water.
In the video, the presenter explains that UAN – urea ammonium nitrate – is a solution consisting of urea, ammonium nitrate and water, used as a liquid fertilizer. The process described involves dissolving urea and ammonium nitrate into water to obtain the UAN liquid.
The page describes UAN 32 solution as a liquid nitrogen fertilizer composed of 32% nitrogen derived from a blend of urea, ammonium nitrate, and water.
The video explains that UAN 32 is made with urea, ammonium nitrate, and water, and that the solution is a clear liquid fertilizer with 32% nitrogen. It also discusses UAN 28 and UAN 32 as liquid fertilizer grades.
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Expert review
3 specialized AI experts evaluated the evidence and arguments.
Expert 1 — The Logic Examiner
The evidence chain from Sources 1, 2, 3, 5, 6, 11, 12, and many others directly and consistently supports the claim that UAN is a liquid nitrogen fertilizer made primarily from urea, ammonium nitrate, and water — this is direct, not merely indirect, evidence. The Opponent's two objections fail logically: the manufacturing-route argument (Source 10) commits a process-product conflation fallacy, since nitric acid reacting with ammonia produces ammonium nitrate in situ, making the final product compositionally identical to what the claim describes; and the additives argument is a straw man, because the claim explicitly says 'primarily from,' which Source 14 itself concedes is accurate since inhibitors and dyes are minor and do not alter the main components. The claim is therefore true as stated, with the word 'primarily' doing the necessary qualifying work.
Expert 2 — The Context Analyst
The claim accurately describes UAN's primary composition as confirmed by numerous authoritative sources (Sources 1, 2, 3, 5, 6, 11, 12, 16), and the word 'primarily' appropriately hedges against minor additives like corrosion inhibitors or dyes noted in Source 14. The opponent's manufacturing-route argument (Source 10) is a distraction since nitric acid + ammonia simply produces ammonium nitrate in situ, yielding the same final product; the claim describes composition, not synthesis pathway. The only minor omission is that commercial formulations may contain trace additives, but the claim's use of 'primarily' already accounts for this, making the overall impression accurate and complete.
Expert 3 — The Source Auditor
The most authoritative sources in this pool — Dyno Nobel's technical data sheet (Source 1, high-authority industry manufacturer), Frontiers in Plant Science via PubMed Central (Source 2, peer-reviewed academic journal), PubChem (Source 3, authoritative chemical database), University of Minnesota Extension (Source 7), Purdue Extension (Source 8), and Virginia Tech Extension (Source 11) — all independently and consistently confirm that UAN is a liquid nitrogen fertilizer made from urea, ammonium nitrate, and water as its primary components. The Opponent's challenge rests primarily on Source 10 (TradeMark Nitrogen, a commercial vendor site with lower authority) which describes a manufacturing route using nitric acid and ammonia rather than pre-formed ammonium nitrate — but this is a process distinction, not a compositional one, as the end product is chemically identical; the claim uses the word 'primarily,' which is fully satisfied given that Source 14 (LLM Background Knowledge) itself concedes additives like corrosion inhibitors are minor and do not alter the fundamental composition. The overwhelming weight of high-authority, independent sources confirms the claim as stated is accurate.
Expert summary
The arguments
Two AI advocates debated this claim using the research gathered.
Argument for
Urea ammonium nitrate (UAN) is explicitly described across authoritative technical and extension references as a liquid nitrogen fertilizer solution made by dissolving urea and ammonium nitrate in water (Dyno Nobel technical data sheet, Source 1; Virginia Tech Extension, Source 11; Agrian product label, Source 12). Independent scientific and product documentation further corroborate that UAN is a fertilizer mixture delivering nitrogen in nitrate, ammonium, and amide (urea) forms—consistent with its primary constituents being urea, ammonium nitrate, and water (Frontiers in Plant Science via PMC, Source 2; Simplot, Source 5; PubChem, Source 3).
The Proponent's argument relies heavily on sources describing UAN's composition in terms of its final dissolved state, but conspicuously ignores Source 10 (TradeMark Nitrogen), which explicitly identifies the actual production inputs as 'urea, nitric acid and ammonia' — a chemically distinct process that the claim's wording fails to capture. Moreover, the Proponent makes no attempt to address Source 14's acknowledgment that commercial UAN routinely contains corrosion inhibitors, anti-caking agents, and dyes, meaning the assertion that UAN is 'made primarily from' only three components remains a materially incomplete and misleading characterization of real-world formulations.
Argument against
While multiple sources confirm UAN contains urea, ammonium nitrate, and water, Source 10 (TradeMark Nitrogen) explicitly states that UAN is formed by combining 'urea, nitric acid and ammonia' — not pre-formed ammonium nitrate — suggesting the claim oversimplifies the actual chemical production process. Furthermore, Source 14 (LLM Background Knowledge) acknowledges that commercial UAN products routinely include corrosion inhibitors, anti-caking agents, and dyes, meaning the claim that UAN is 'made primarily from' only those three components is a misleading reduction of the actual formulation.
The Opponent equivocates between manufacturing route and composition: even if some producers generate ammonium nitrate in situ from nitric acid and ammonia (Source 10), the resulting product is still the same urea–ammonium nitrate solution, and multiple higher-authority technical/extension documents explicitly define UAN as urea and ammonium nitrate dissolved in water (Source 1; Source 11; Source 12). The Opponent's additives point is a red herring because the motion says “made primarily,” and Source 14 itself concedes any inhibitors/dyes are minor and do not change that the main components are urea, ammonium nitrate, and water.