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- Equilibrium isotope fractionation is the partial separation of isotopes between two or more substances in chemical equilibrium. Equilibrium fractionation...6 KB (822 words) - 21:45, 21 September 2023
- substantially exchanged. With effective exchange, aliphatic hydrogen can finally reach isotopic equilibrium at the final stage. Equilibrium fractionation...243 KB (30,829 words) - 06:02, 9 June 2024
- The equilibrium constant of a chemical reaction is the value of its reaction quotient at chemical equilibrium, a state approached by a dynamic chemical...42 KB (6,731 words) - 15:22, 7 May 2024
- the isotope effects on k1 and k2. This outcome is related to the fact that equilibrium isotope effects are usually smaller than kinetic isotope effects...102 KB (14,196 words) - 06:40, 9 June 2024
- electrochemical estimation of isotopic exchange equilibrium constants, electrochemical kinetic isotope effect, electrochemical isotope sensors, etc. It is an...4 KB (189 words) - 16:52, 18 July 2022
Deuterium (redirect from Deuterium exchange measurement)(hydrogen-2, symbol 2H or D, also known as heavy hydrogen) is one of two stable isotopes of hydrogen (the other is protium, or hydrogen-1). The deuterium nucleus...71 KB (8,808 words) - 21:00, 6 June 2024- temperature, the equilibrium Δ value is always positive. When formed or re-equilibrated in reversible reactions, methane molecules can exchange isotopes with each...35 KB (4,343 words) - 01:38, 4 March 2024
- Isotopologue (redirect from Isotope isomer)isotopologues) of gases has been used in the field of stable isotope geochemistry to trace equilibrium and kinetic processes in the environment inaccessible...17 KB (1,974 words) - 16:26, 31 October 2023
Molecular diffusion (redirect from Diffusion equilibrium)under equilibrium. An excellent method for the measurement of self-diffusion coefficients is pulsed field gradient (PFG) NMR, where no isotopic tracers...16 KB (2,078 words) - 23:24, 29 April 2024
Girdler sulfide process (category Isotope separation)built the first American plant using the process. The method is an isotopic exchange process between H2S and H2O ("light" water), that produces heavy water...7 KB (890 words) - 03:23, 5 June 2024- Urey–Bigeleisen–Mayer equation (category Isotopes)Urey model, is a model describing the approximate equilibrium isotope fractionation in an isotope exchange reaction. While the equation itself can be written...25 KB (2,369 words) - 15:00, 20 May 2024
- Equilibrium chemistry is concerned with systems in chemical equilibrium. The unifying principle is that the free energy of a system at equilibrium is the...44 KB (6,468 words) - 18:11, 31 August 2023
- Clumped isotopes are heavy isotopes that are bonded to other heavy isotopes. The relative abundance of clumped isotopes (and multiply-substituted isotopologues)...28 KB (3,192 words) - 02:48, 16 November 2023
- natural radioactivity. For most stable isotopes, the magnitude of fractionation from kinetic and equilibrium fractionation is very small; for this reason...21 KB (2,408 words) - 19:03, 1 April 2024
- Mass-independent fractionation (category Isotopes)difference in the masses of the isotopes. Most isotopic fractionations (including typical kinetic fractionations and equilibrium fractionations) are caused...11 KB (1,220 words) - 08:20, 25 October 2023
- Isotope separation is the process of concentrating specific isotopes of a chemical element by removing other isotopes. The use of the nuclides produced...32 KB (4,318 words) - 00:51, 15 May 2024
((CD3)2S=O) in which the hydrogen atoms ("H") are replaced with their isotope deuterium ("D"). Deuterated DMSO is a common solvent used in NMR spectroscopy...4 KB (283 words) - 15:40, 3 May 2024- An isotopic signature (also isotopic fingerprint) is a ratio of non-radiogenic 'stable isotopes', stable radiogenic isotopes, or unstable radioactive...41 KB (4,662 words) - 23:38, 26 April 2024
- Oxygen-18 (redirect from Oxygen isotope ratio)Oxygen-18 (18 O, Ω) is a natural, stable isotope of oxygen and one of the environmental isotopes. 18 O is an important precursor for the production of...9 KB (1,021 words) - 15:51, 20 May 2024
Ion chromatography (redirect from Ion-exchange chromatography)ion-exchange chromatography for the separation of the rare earths. Additionally, they showed the ion-exchange separation of 14N and 15N isotopes in ammonia...54 KB (6,991 words) - 15:46, 6 June 2024
- form the margin levy, which will ultimately result in a unified equilibrium of exchange rate. Full decontrol may obviously be accompanied by an increase
- alkali metal, being in group 1 of the periodic table. Its only stable isotope is 23Na. The free metal does not occur in nature, and must be prepared
- amino acid that contains a heavy isotope for the “heavy” medium and a light isotope for the “light” medium. Typical isotopes chosen to make the “heavy” medium