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Constants that describe stability of coordination complexes
coordination chemistry, a stability constant (also called formation constant or binding constant) is an equilibrium constant for the formation of a complex
Stability constants of complexes
Stability_constants_of_complexes
Topics referred to by the same term
Stability constant may refer to: Equilibrium constant Acid dissociation constant Stability constants of complexes This disambiguation page lists articles
Stability_constant
Chemical property
Stability constants, formation constants, binding constants, association constants and dissociation constants are all types of equilibrium constants.
Equilibrium_constant
Topics referred to by the same term
Asymptotic stability Exponential stability Linear stability Lyapunov stability Marginal stability Orbital stability Structural stability Stability (probability)
Stability
Measure of an acid's strength in solution
In chemistry, an acid dissociation constant (also known as acidity constant, or acid-ionization constant; denoted Ka) is a quantitative measure of the
Acid_dissociation_constant
stability constant value is too large to be determined by a direct method. It was first used by Schwarzenbach in the determination of the stability constants
Determination of equilibrium constants
Determination_of_equilibrium_constants
Compound with a metal center bound to ligands
the stability constant will be in a different form known as the constant of destability. This constant is expressed as the inverse of the constant of formation
Coordination_complex
Number of atoms in a ligand that bond to the central atom of a coordination complex
primarily due to entropic factors. Stability constants are a quantitative measure to assess the thermodynamic stability of coordination complexes. Chelate
Denticity
Series in chemistry
series is to use it as a correlation "ruler" in comparing the first stability constant for replacement of water in the aqueous ion by a ligand. Three explanations
Irving–Williams_series
Measure of the level of acidity or basicity of an aqueous solution
determined, therefore [H+]F must be estimated using the [SO2− 4] and the stability constant of HSO− 4, K* S: [H+]F = [H+]T − [HSO− 4] = [H+]T ( 1 + [SO2− 4] /
PH
Chemical compound
of radium, hydrogen, and oxygen with the chemical formula Ra(OH)2. Stability constant of aqueous RaOH+ ion pair at zero ionic strength is equal to 5. A
Radium_hydroxide
Stability of an aircraft in the pitching plane
In flight dynamics, longitudinal stability is the stability of an aircraft in the longitudinal, or pitching, plane. This characteristic is important in
Longitudinal_stability
When the ratio of reactants to products of a chemical reaction is constant with time
terms such as stability constant, formation constant, binding constant, affinity constant, association constant and dissociation constant are used. In
Chemical_equilibrium
Chemical equilibrium of a reversible reaction
are also dynamic equilibria and concentrations are governed by the stability constants of complexes. Dynamic equilibria can also occur in the gas phase;
Dynamic_equilibrium
Topics referred to by the same term
the effects of buoyancy. In sailing: Static stability — the angle of roll, or heel, achieved under constant wind conditions. This disambiguation page lists
Static_stability
Chemical compound
lipid membranes "down" the electrochemical potential gradient. The stability constant K for the potassium-valinomycin complex is nearly 100,000 times larger
Valinomycin
Algebro-geometric stability condition
generally, on any compact complex manifold, K-stability is conjectured to be equivalent to the existence of constant scalar curvature Kähler metrics (cscK metrics)
K-stability
Part of mathematics that addresses the stability of solutions
In mathematics, stability theory addresses the stability of solutions of differential equations and of trajectories of dynamical systems under small perturbations
Stability_theory
Subdiscipline of chemistry concerned with chemical equilibrium
[OHA−]=Kw[HA+] Stability constants defined in this way, are association constants. This can lead to some confusion as pKa values are dissociation constants. In general
Equilibrium_chemistry
Property of a dynamical system where solutions near an equilibrium point remain so
of considering stability only near an equilibrium point (a constant solution x(t)=xe), one can formulate similar definitions of stability near an arbitrary
Lyapunov_stability
Topics referred to by the same term
Cryoscopic constant, Kf, related to freezing-point depression Karl Fischer titration Stability constants of complexes, abbreviated as Kf (constant of formation)
KF
Chemical compound
glycine–histidine peptide bond. Since such a structure could not explain a high stability constant of the GHK-Cu complex (log 10 =16.44 vs. 8.68 of the GH copper complex
Copper_peptide_GHK-Cu
Delgado, R.; Felcman, J.; Popov, K. (2005). "Critical evaluation of stability constants of metal complexes of complexones for biomedical and environmental
Aminopolycarboxylic_acid
2024 film by Galder Gaztelu-Urrutia
Perempuán emerges as the lead and Smit performs well, the story lacks stability, constantly shifting beneath her. Hassenger gave the film two out of five stars
The_Platform_2
Control loop feedback mechanism
used in industrial control systems and various other applications where constant control through modulation is necessary without human intervention. The
PID_controller
246-252 Rossotti, F. J. C.; Rossotti, H. (1961). The Determination of Stability Constants. McGraw-Hill., p 135 Sakurai, T. (1968). "On the refinement of the
Quinhydrone_electrode
Graphical calculator used in electrical engineering
the chart maps two families of curves: circles of constant resistance (Re(z)) and arcs of constant reactance (Im(z)). Standard charts focus on passive
Smith_chart
Quantification of the electrical interactions between ions in solution
electrical potential gradient. Media of high ionic strength are used in stability constant determination in order to minimize changes, during a titration, in
Ionic_strength
Computerized safety automotive technology
Electronic stability control (ESC), also referred to as electronic stability program (ESP) or dynamic stability control (DSC), is a computerized technology
Electronic_stability_control
Type of chemical bonding with metal ions
square brackets indicate concentration, and the subscripts to the stability constants, β, indicate the stoichiometry of the complex. When the analytical
Chelation
titrations, each with a different metal salt concentration. Otherwise the stability constant non-linear least squares refinement may fail without providing the
List of aqueous ions by element
List_of_aqueous_ions_by_element
Absence of excessive fluctuations in the macroeconomy
Economic stability is the absence of excessive fluctuations in the macroeconomy. An economy with fairly constant output growth and low and stable inflation
Economic_stability
Mathematical function often applied to matrices
the data, implying stability, where the inverse of the lower logarithmic norm is the stability constant. A smaller stability constant implies that the solution
Logarithmic_norm
Problem in statistical physics
In physics, the stability of matter refers to the ability of a large number of charged particles, such as electrons and protons, to form macroscopic objects
Stability_of_matter
Quantifies strength of electromagnetic interaction
fine-structure constant, also known as the Sommerfeld constant, commonly denoted by α (the Greek letter alpha), is a fundamental physical constant that quantifies
Fine-structure_constant
Chemical compound
Spedding et al. in 1954, the method relies on the steady increase in stability constant of the lanthanide EDTA complexes with atomic number. Using sulfonated
Ethylenediaminetetraacetic acid
Ethylenediaminetetraacetic_acid
State in which variables of a system are unchanging in time
maintain stability under continuous small disturbances is investigated under the name of Dynamic Stability (also known as small-signal stability). These
Steady_state
When an ecosystem does not drastically change over time even after perturbation
Although the terms community stability and ecological stability are sometimes used interchangeably, community stability refers only to the characteristics
Ecological_stability
Chemical compound
doi:10.1063/5.0347503. ISSN 0021-9606. PMID 42937155. IUPAC (2006). "Stability constants" (database). Pines, Dina; Ditkovich, Julia; Mukra, Tzach; Miller
Carbonic_acid
When the linear combination of a random variable with itself has the same distribution
In probability theory, the stability of a random variable is the property that a linear combination of two independent copies of the variable has the
Stability_(probability)
Solution to a partial differential equation which remains close to the initial data
the constant Γ > 0 {\displaystyle \Gamma >0} is chosen sufficiently large. Stability theory Asymptotic stability Linear stability Lyapunov stability Vakhitov−Kolokolov
Orbital_stability
Chemical compound
solvent and temperatures. Frensdorff, Hans K. (1 February 1971). "Stability constants of cyclic polyether complexes with univalent cations". Journal of
21-Crown-7
Series of chemical elements
compared. Another example occurs in the Irving–Williams series of stability constants of complexes. Moreover, Zn, Cd, and Hg can use their d orbitals for
Transition_metal
Wettingen: NAGRA. pp. 252–259. NIST46. NIST Critically Selected Stability Constants of Metal Complexes: Version 8.0.{{cite book}}: CS1 maint: numeric
Hydrolysis_constant
Ability to manage financial crisis
Financial stability is the absence of system-wide episodes in which a financial crisis occurs and is characterised as an economy with low volatility.
Financial_stability
Chemical compound
metal exchange and re-adsorption of heavy metals that have lower stability constant with EDDS. Sigma Aldrich page on EDDS, containing a link to a MSDS
EDDS
Thermodynamic equilibrium between a solid and a solution of the same compound
Rossotti, H. (1961). "Chapter 9: Solubility". The Determination of Stability Constants. McGraw-Hill. Aqueous solubility measurement – kinetic vs. thermodynamic
Solubility_equilibrium
Caustic soda, with formula NaOH
R.M.; Martell, A.E. and Motekaitis, R.J. (2001). "NIST Critical Stability Constants of Metal Complexes". NIST Gaithersburg, MD. Database 46.{{cite journal}}:
Sodium_hydroxide
Numerical analysis procedure
analysis, von Neumann stability analysis (also known as Fourier stability analysis) is a procedure used to check the stability of finite difference schemes
Von Neumann stability analysis
Von_Neumann_stability_analysis
chelating carbonate anion that traps the Fe3+ ion: it has such a high stability constant that it is very effective at taking up Fe3+ ions even from the most
Iron_in_biology
Chemical compound
placed on the EU market from 1 November 2025. Bjerrum, J., et al. Stability Constants, Chemical Society, London, 1958. Bentley, R. (2006). "From miso,
Kojic_acid
Elements with atomic numbers 57-70
combination with the use of aminocarboxylate ligands. Relevant is the stability constant for formation of EDTA complexes increases for log K ≈ 15.5 for [La(EDTA)]−
Lanthanide
Compounds formed from phosphate monomeric units
lower pH values. ATP forms chelate complexes with metal ions. The stability constant for the equilibrium ATP4− + Mg2+ ⇌ MgATP2−, log β ≈ {\displaystyle
Polyphosphate
concentration of each component (ligand and metal ion) as well as on the stability constant of the complex. If the ligand can undergo protonation, the concentration
Metal_ion_buffer
Weak organic acid
citrate. The citrate ion forms complexes with metallic cations. The stability constants for the formation of these complexes are quite large because of the
Citric_acid
Chemical compound
Ilya D.; Golovnev, Nicolay N. (2016-03-03). "Coordination model, stability constant, and kinetics study of cystamine and l-cystine with [PdCl4]2− in hydrochloric
Cystamine
Cyclic, multidentate ligands adept at encapsulating cations
Danil de Namor, Angela; Ghousseini, Lily; Lee, Walter (1985). "Stability constants and free energies of complexation of metal-ion cryptates in nitromethane
Cryptand
Chemical compound
Sillén, Lars Gunnar; Martell, Arthur E.; Bjerrum, Jannik (eds.). Stability constants of metal-ion complexes. Special Publication (Chemical Society (Great
Mandelic_acid
Supramolecular structures held together other than by covalent bonds
U=∑i=1,np(Xiobs−Xicalc)2 and this can be minimized with respect to the stability constant value, K, and a parameter such as the chemical shift of the species
Host–guest_chemistry
Concept in mathematics
given by the geodesic flow on a surface of constant negative curvature, cf Hadamard billiards. Structural stability of the system provides a justification
Structural_stability
Theoretical model of shear fluid flow
Rayleigh's equation or Rayleigh stability equation is a linear ordinary differential equation to study the hydrodynamic stability of a parallel, incompressible
Rayleigh's equation (fluid dynamics)
Rayleigh's_equation_(fluid_dynamics)
Aircraft component
a constant aircraft attitude, with unchanging pitch angle relative to the airstream, without active input from the pilot. Ensuring static stability of
Stabilizer_(aeronautics)
Inequality in mathematical physics
(2) (with a smaller constant) directly without the use of the Lieb–Thirring inequality. (for more information, read the Stability of matter page) The
Lieb–Thirring_inequality
Simplest carboxylic acid (HCOOH)
and Health. Smith, Robert M.; Martell, Arthur E. (1989). Critical Stability Constants Volume 6: Second Supplement. New York: Plenum Press. p. 299. ISBN 0-306-43104-1
Formic_acid
Force needed to pull a spring grows linearly with distance
linearly with respect to that distance—that is, Fs = kx, where k is a constant factor characteristic of the spring (i.e., its stiffness), and x is small
Hooke's_law
Soil process
are called chelates. The stability of the chelate is related to the number of atoms in the chelate ring, the stability constant of the chelation reaction
Cheluviation
Constant in crystallography
The Madelung constant is used in determining the electrostatic potential of a single ion in a crystal by approximating the ions by point charges. It is
Madelung_constant
Science of air vehicle orientation and control in three dimensions
aircraft stability: speed stability, stick free static longitudinal stability, static lateral stability, directional stability, oscillatory stability, and
Aircraft_flight_dynamics
Aircraft flight measures
and not changing. When flight conditions are steady, stability and control derivatives are constant and can be more easily analyzed mathematically. The
Stability_derivatives
Chemical compound
1002/hlca.19510340327. Angelici, R. J.; Allison, J. W. (1971). "Stability Constants for Amino Acid Coordination by Substituted Diethylenetriamine Complexes
PMDTA
Method to estimate ion activity coefficients in solution
PMC 11579776. PMID 39583676. SIT program A PC program to correct stability constants for changes in ionic strength using SIT theory and to estimate SIT
Specific ion interaction theory
Specific_ion_interaction_theory
Chemical compound
Faisal N. (June 2012). "Protonation Equilibria of Carminic Acid and Stability Constants of Its Complexes with Some Divalent Metal Ions in Aqueous Solution"
Carminic_acid
5th episode of the 4th season of Lost
someone—a constant—who is present in both times and can serve as an anchor for Desmond's mental stability. Desmond decides that Penny can be the constant; however
The_Constant
Association of molecules of a solvent with molecules or ions of a solute
species can often be described by coordination number, and the complex stability constants. The concept of the solvation interaction can also be applied to
Solvation
Abraha; Parker, G. A.; Tuck, D. G. (1997). "Critical Survey of Stability Constants of Complexes of Thiocyanate Ion (Technical Report)". Pure and Applied
Transition metal complexes of thiocyanate
Transition_metal_complexes_of_thiocyanate
Main European Union fiscal agreement
Stability and Growth Pact (SGP) is an agreement, among all the 27 member states of the European Union (EU), to facilitate and maintain the stability of
Stability_and_Growth_Pact
distortion, control output voltage, improve stability or create instability, as in an oscillator. Some examples of constant envelope modulations are as FSK, GFSK
Constant_envelope
Chemical compound
"D-Gluconic acid". American Chemical Society. Bjerrum, J., et al. Stability Constants, Chemical Society, London, 1958. Wong, Chun Ming; Wong, Kwun Hei;
Gluconic_acid
Astrophysics accretion disc criterion
gravitational constant, and Σ is the surface density of the disk. The Toomre Q parameter is often defined as the left-hand side of Eq.1, The stability criterion
Toomre's_stability_criterion
Decrease of ionic radii across the lanthanide series
Radius-dependent properties such as lattice energies, solvation energies, and stability constants of complexes are also similar. Because of this similarity, hafnium
Lanthanide_contraction
Measure of Lewis basicity
Arnaud-neu; Rita Delgado; Sílvia Chaves (2003). "Critical evaluation of stability constants and thermodynamic functions of metal complexes of crown ethers".
Donor_number
Continuous-time linear system with only negative real parts
convergence is bounded by exponential decay. Exponential stability is a form of asymptotic stability, valid for more general dynamical systems. Consider the
Exponential_stability
Type of affinity in biochemistry
affinity constant, Ka, is the inverse of the dissociation constant, Kd. The strength of complex formation in solution is related to the stability constants of
Avidity
Kreiss constant of a matrix with the power iterates of this matrix. It was originally introduced by Heinz-Otto Kreiss to analyze the stability of finite
Kreiss_matrix_theorem
Monetary policy
Price stability occurs when average consumer prices for goods and services are constant over time, or when they are rising at a low and predictable rate
Price_stability
Physics theorem argued by G. H. Derrick
the Vakhitov–Kolokolov stability criterion is satisfied. Orbital stability Pokhozhaev's identity Vakhitov–Kolokolov stability criterion Virial theorem
Derrick's_theorem
Ring molecules with several ether (–O–) groups
50005-8, ISBN 978-0-12-377650-1 Frensdorff, Hans K. (February 1971). "Stability constants of cyclic polyether complexes with univalent cations". Journal of
Crown_ether
Measure of the tendency of an acid to dissociate
Measurement of Metal Complex Equilibria". Determination and Use of Stability Constants. Wiley. ISBN 0-471-18817-4. Waters, Charlie (2023-12-21). "Superacid:
Acid_strength
Equation relating to oscillating systems
l=l_{r}+il_{i}} is a complex number and l r {\displaystyle l_{r}} is the Landau constant. The evolution of the actual disturbance is given by the real part of A
Stuart–Landau_equation
the major complexes can be determined. Moreover, the cumulative stability constants β n ( n = 1 − 3 ) {\displaystyle {\beta }_{n}(n=1-3)} and the Separation
Advanced reprocessing of spent nuclear fuel
Advanced_reprocessing_of_spent_nuclear_fuel
Degree to which disturbing a plasma system at equilibrium will destabilize it
physics, plasma stability concerns the stability properties of a plasma in equilibrium and its behavior under small perturbations. The stability of the system
Plasma_stability
States of matter for water as a solid
that S0=kln(3/2)N=nRln(3/2),where k is the Boltzmann constant and R is the molar gas constant. So, the molar residual entropy is Rln(3/2)= 3.37 J⋅mol−1⋅K−1
Phases_of_ice
Measurement of the initial static stability of a floating body
The metacentric height (GM) is a measurement of the initial static stability of a floating body. It is calculated as the distance between the centre of
Metacentric_height
Reference 1] Suppose there exist constants A and B such that for every strategy S, A⋅SC(S)≤Φ(S)≤B⋅SC(S). Then the price of stability is less than B/A Proof. The
Price_of_stability
Thermal method of analysis
and Characterization of Fluorinated PBO with High Thermal Stability and Low Dielectric Constant". Journal of Macromolecular Science, Part B. 48 (6): 1114–1124
Thermogravimetric_analysis
Carboxylic acid with chemical formula (CH3)2CHCO2H
1039/9781849733069-FP001. ISBN 978-0-85404-182-4. Bjerrum, J.; et al. (1958). Stability Constants. London: Chemical Society. Sigma-Aldrich. "Isobutyric acid". Retrieved
Isobutyric_acid
Assembly of molecules or ions
with the ionization potentials of the components. For TCNE, the stability constants (L/mol) for its complexes with benzene derivatives correlates with
Charge-transfer_complex
Effect of liquids in slack tanks
lowered side. This assumes the center of gravity of the vessel is relatively constant. If a moving mass inside the vessel moves in the direction of the roll
Free_surface_effect
Suspension of objects by magnetic force
Dynamic stability on the other hand, can be achieved by spinning a permanent magnet having poles slightly off the rotation plane (called tilt) in constant speed
Magnetic_levitation
Mathematical constant
Bruijn–Newman constant, denoted by Λ {\displaystyle \Lambda } and named after Nicolaas Govert de Bruijn and Charles Michael Newman, is a mathematical constant defined
De_Bruijn–Newman_constant
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STABILITY CONSTANT
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