A phase model for the gas–liquid equilibria in the ammonia–carbon dioxide–water–urea system in chemical equilibrium at urea synthesis conditions. I. Th... is presented to describe the gas–liquid equilibria of the ammonia–carbon dioxide–water–urea system in chemical equilibrium at urea synt...
Densities of urea-ammonia-water-carbon dioxide solutions in chemical equilibrium at and above urea synthesis conditions). Broers J N,Lemkowitz S M,VandenBerg P J. Journal of Applied Chemistry and Biotechnology . 1975J. N. Broers, S. M. Lemkowitz, and P. J. Berg, J. Appl. Chem. ...
A conversion equation related... K,Yasuda,H,... - 《Analyst》 被引量: 43发表: 1984年 Continuous-flow analysis of ammonia in perchloric acid supernate of blood or plasma using an ammonia-selective electrode. A simple automated method for the estimation of ammonia in perchloric acid supernate...
and its removal is essential to prevent toxic buildup. The urea cycle takes place primarily in the liver, where it converts toxic ammonia, derived from protein breakdown, into less toxic urea,
Natural decomposition of urea produces compounds containing ammonia and nitrate, which can damage the environment and human health. The anodic urea oxidation reaction (UOR, CO(NH2)2 + 6OH−→ N2 + CO2 + 5H2O + 6e−) has garnered attention as an energy-efficient strategy for urea ...
Proper handling and storage of urea are crucial to ensuring its safety and efficacy in various applications. Preparation The synthesis of urea involves the reaction between ammonia and carbon dioxide. The chemical equation for the reaction is shown in the second figure. This reaction takes place at...
Based on the chemical equation (N2 + 6H+ + 6e– → 2NH3), three electrons are needed to produce one urea molecule. Thus, the FE can be calculated using Eq. 3: FE=QNH3Q=3×0.318×F×V×CNH4ClMNH3×Q (3) The rate of urea formation was calculated using Eq. 4: ...
an ideal heat engine (the Carnot cycle), the derivation of a mathematical expression for the second law of thermodynamics and the construction of the thermodynamic temperature scale. Many important thermodynamic relations (such as the Clausius-Clapeyron equation) were found by examining the ...
Furthermore, the move of oxidation peak towards more negative values implies a better environment for nickel oxidation at higher NaOH concentration according to the following equation61,62,63,64: $$Ni(OH)_{2} + OH^{ - } \to NiOOH + H_{2} O + e^{ - }$$ (2) Figure 5 CVs of...
If the ammonia concentration extrapolates the excretion capacity, the intoxication of the animal may occur2. In order to circumvent these problems and obtain better efficiency in the nitrogen use by ruminal microorganisms, different types of slow-release urea (SRU) such as biuret, starea (extruded...