關於 partition coefficient ，我們在網路上蒐集到這些相關的討論、資訊與評價

#11. test-no-117-partition-coefficient-n-octanol-water-hplc ...

The partition coefficient (P) is defined as the ratio of the equilibrium concentrations of a dissolved substance in a two-phase system ...

#12. Partition coefficient for physical chemistry testing - Covance

The partition coefficient (P) is defined as the ratio of the equilibrium concentrations of a dissolved substance in a two-phase system consisting of two largely ...

#13. 4.5: Extraction Theory - Chemistry LibreTexts

The partition coefficient K is the ratio of the compound's concentration in the organic layer compared to the aqueous layer. Actual partition ...

#14. Determining Partition Coefficient (Log P), Distribution ...

Determining Partition Coefficient (Log P), Distribution Coefficient (Log D) and Ionization Constant (pKa) in Early Drug Discovery.

#15. Partition coefficient Definition & Meaning - Merriam-Webster

The meaning of partition coefficient is the ratio of the amounts of a substance distributed between two immiscible phases (as two liquids or a stationary ...

#16. 1-Octanol-water partition coefficient of some cyanopyridine ...

Partition coefficient (P) is defined as the ratio of the compounds in organic phase to that present in the aqueous phase 28, i.e.. where Corg and Caq are ...

#17. Partition coefficient (KOW) and distribution ratio (DOW) - Ecetoc

The n-octanol-water partition coefficient (commonly referred to as either KOW or POW) is a widely used property for assessing the partitioning behaviour of ...

#18. QSPR study of partition coefficient (Ko/w) of some organic ...

Three quantitative structure-propertty relationship (QSPR) methods have been compared for the prediction of n-octanol-water partition coefficients (Ko/w) of ...

#19. logP, logKow: Octanol-water partition coefficient - Pirika.com

The octanol/water partition coefficient (Kow) is defined as the ratio of a chemical's concentration in the octanol phase to its concentration in the aqueous ...

#20. Partition coefficient - wikidoc

The partition coefficient is the ratio of concentrations of un-ionized compound between the two solutions. To measure the partition coefficient ...

#21. The octanol–water partition coefficient: Strengths and limitations

No physicochemical parameter in environmental toxicology and chemistry is better known than KOW, the octanol–water partition coefficient.

#22. What does partition coefficient mean? - Definitions.net

In the physical sciences, a partition- or distribution-coefficient is the ratio of concentrations of a compound in a mixture of two immiscible phases at ...

#23. Partition Coefficients | CIE A Level Chemistry Revision Notes

The partition coefficient (Kpc) is the ratio of the concentrations of a solute in two different immiscible solvents in contact with each other when equilibrium ...

#24. partition coefficient (P04437) - IUPAC Gold Book

Sources: PAC, 1993, 65, 2373. (Nomenclature for liquid-liquid distribution (solvent extraction) (IUPAC Recommendations 1993)) on page 2385 [Terms] [Paper]

#25. Partition Coefficient: Definition and Calculation - Study.com

The partition coefficient is a simple ratio between two concentrations, and it doesn't matter what concentration units you are using as long as ...

#26. Partition coefficient and comparative olfactometry

Abstract. The air/water partition coefficients of many odorants can be calculated from available data on their vapor pressures and solubilities at 25°.

#27. Learning outcome 11.2(f) - chemguide: CIE A level chemistry ...

Like other equilibrium constants, partition coefficients are constant at a constant temperature, but they have some other restrictions as well.

#28. Exploring the octanol–water partition coefficient dataset using ...

We have selected the octanol-water partition coefficient (log P) as an example, which plays an essential role in environmental chemistry and ...

#29. Octanol‐Water Partition Coefficients of Simple Organic ...

Octanol‐water partition coefficients (log P) for 611 simple organic compounds representing all principal classes have been retrieved from the literature.

#30. Quantification of the Impact of Partition Coefficient Prediction ...

Tissue:plasma partition coefficients are key parameters in physiologically based pharmacokinetic (PBPK) models, yet the coefficients are ...

#31. Correlation of water solubility with octanol‐water partition ...

Correlation of water solubility with octanol‐water partition coefficient. Cary T. Chiou, David W. Schmedding, John H. Block.

#32. Octanol–water partition coefficient measurements for the ...

Partition coefficients describe the equilibrium partitioning of a single, defined charge state of a solute between two liquid phases in ...

#33. Partition Coefficient Formula | Definition and Examples - Byjus

Partition coefficients are described as the concentration ratio of a chemical amidst the two media at equilibrium. The media can be gases such as air, ...

#34. A comparison of log Kow (n-octanol–water partition coefficient ...

Surfactants are widely used across the globe both in industrial and consumer products. The n-octanol/water partition ratio or coefficient ...

#35. determination of partition coefficients and aqueous solubilities ...

the results of aqueous solubility and octanol/water partition coefficient predictions for a number of organic contaminants from measurements of their HPRPLC ...

#36. n-Octanol/Water Partition Coefficient (Kow/logKow)

What is n-octanol/water partition coefficient (Kow/logKow), definition and how it is used for pesticide/chemical risk assessment.

#37. Trace element partition coefficients - a review of theory and ...

Particular attention is paid to partition between crystalline solids and coexisting liquid phases. Extensive use is made of partition coefficients as defined by ...

#38. Partition Coefficient n-Octanol/Water (POW) Slow-Stirring ...

Proposal of the Netherlands for a new OECD guideline. Partition Coefficient n-Octanol/Water (POW). Slow-Stirring Method for Highly Hydrophobic Chemicals.

#39. Solid/liquid partition coefficients (Kd) for selected soils and ...

Soil and sediment solid/liquid partition coefficients (Kd) are used to indicate the relative mobility of radionuclides and elements of concern from nuclear ...

#40. Partition Coefficient - Explore the Science & Experts | ideXlab

The SVOC particle/gas Partition Coefficients predicted by employing the derived theoretical relationship agree well with the experimental data retrieved from ...

#41. Development of the partition coefficient (Kd) test method for ...

Partition coefficients for ammonium are derived using relatively simple batch tests. The aim of this project is to maintain this simplicity, ...

#42. Partition coefficient Definition and Examples - Biology Online

(Science: chemistry) equilibrium constant for the partitioning of a molecule between hydrophobic (oil) and hydrophilic (water) phases. A measure ...

#43. Difference Between True and Apparent Partition Coefficient

True partition coefficient is the ratio of concentrations of un-ionized species of a compound in a mixture of two immiscible phases.

#44. Partition and distribution coefficients

partitioning equilibrium of solute molecules between water and an immiscible organic solvent, ... The partition coefficient, P, of a drug is given by.

#45. KdD Home | EarthRef.org

Geochemical Earth Reference Model (GERM) partition coefficients from both ... Trace element partitioning between wollastonite and alkaline silicate magmas.

#46. Development of the partition coefficient (Kd) test ... - GOV.UK

Science Report Partition coefficient (Kd) test method for environmental risk assessments. 2. The Environment Agency is the leading public body protecting ...

#47. Prediction of Partition Coefficients in SDS Micelles by DFT ...

partition coefficient orders of magnitude faster than the classical molecular dynamics simulations. The DFT calculations were carried out ...

#48. Estimation of Distribution Coefficients from the Partition ...

For a monovalent species, a simple calculation that does not assume partitioning of the ionized species in the oil phase can provide an ...

#49. Determination of Liquid/Air Partition Coefficients for Dilute ...

The ratio of the concentrations reachcd in the two pha'.,es at equilibrium de|:totes the partition coefficient (1). Partition coefficients for rnany anesthetic ...

#50. Partition coefficients of some aromatic hydrocarbons - JSTOR

air and oil/air partition coefficients, whereas those for ketones are almost in the same range as ... partition coefficient using a vial-equilibration tech.

#51. Partition coefficient Definition & Meaning | Dictionary.com

Partition coefficient definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Look it up now!

#52. analysis of partition coefficients of ternary

The partition coefficient. (Ksw) of a solute is defined as the ratio of the concentration of the solute in a water–saturated solvent. (organic) phase to the ...

#53. A Novel Method for Measuring Membrane-Water Partition ...

octanol-water partition coefficients (log Kow) <5.5 or molar volumes. <230 cm/mol. ... The partition coefficient Kaw, between an organic phase,.

#54. 4.1.6 Example A: Partition coefficient - TU Delft OCW

4.1.6 Example A: Partition coefficient. Course subject(s) 4. Mass transfer. We have a column filled with air, that is contaminated with a hydrocarbon ...

#55. partition coefficient | Encyclopedia.com

partition coefficient (distribution coefficient) 1. If a substance is dissolved in two immiscible liquids standing in contact with each other, the substance ...

#56. Partition coefficients in mixed surfactant systems

surfactant type and the magnitude of the partition coefficient. Yet, combining different methods, partition coefficients are measured with a high quality in ...

#57. Partition Coefficient Lab Testing | STILLMEADOW, Inc.

We are AAALAC Accredited and certified with the National Environmental Laboratory Accreditation Program (NELAP). Our partition coefficient lab testing ...

#58. and Octanol-Water Partition Coefficient (K - USGS ...

Octanol-Water Partition Coefficient (K ow. ) Data for. Hydrophobic Organic Compounds: DDT and DDE as a. Case Study. By James Pontolillo and Robert P.

#59. Soil-Water Partition Equation Modification - NJ.gov

specific soil-water partition coefficient (Kd) for organic or inorganic contaminants. In this case, the partition equation is implemented using the ...

#60. Partition Coefficients—New Tool for Studying Geological ...

The ratio of the amount of the impurity in the liquid to the amount trapped in the solid is called a partition coefficient. If the partition coefficient is ...

#61. Partition Coefficients of Fluorocarbon Aerosol Propellants in ...

Partition coefficients of the three most commonly used fluorocarbon propellants (trichloromonofluoromethane, dichlorodifluoromethane, ...

#62. 40 CFR § 799.6756 - TSCA partition coefficient (n-octanol ...

§ 799.6756 TSCA partition coefficient (n-octanol/water), generator column method. (a) Scope -. (1) Applicability. This section is intended to meet the testing ...

#63. Octanol-Water Partition Coefficients - CRC Handbook of ...

The octanol–water partition coefficient, P, is a widely used parameter for correlating biological effects of organic substances.

#64. The Search for Reliable Aqueous Solubility (Sw) and ...

The octanol - water partition coefficient ( Kow ) is defined as the ratio of the concentration of a chemical in n - octanol and water at equilibrium at a ...

#65. What is log Pow? The O/W partition coefficient in SDSs - GeSi ...

This value stands for the octanol/water partition coefficient. The test substance is added to N-octanol (“O” in log Kow) and water (“W” in ...

#66. Evaluation of the 1-octanol/water partition coefficient of ...

Abstract. A rapid screening assay for the measurement of octanol-water partition coefficients (logP) of pharmaceuticals such as quinolines, quinolones and ...

#67. partition coefficients of some conjugated heteroenoid ...

The concept of additive constants to predict the partition coefficient of a compound has been developed and applied to 244 compounds.

#68. octanol-water partition coefficient - 英中– Linguee词典

大量翻译例句关于"octanol-water partition coefficient" – 英中词典以及8百万条中文译文例句搜索。

#69. Dynamic method to measure partition coefficient and mass ...

The particle-gas partition coefficient (Kp) and mass accommodation coefficient (α) are two parameters characterizing the gas-particle ...

#70. Exercise 3 PARTITION COEFFICIENT OF SUCCINIC ACID

Exercise 3 PARTITION COEFFICIENT OF SUCCINIC. ACID. Theory. Consider a system consisting of two liquid layers (phases) of two immiscible or partially.

#71. Partition coefficient - Registration Dossier - ECHA

The partition coefficient octanol/water (Pow) has not been determined experimentally, but has been estimated from the water solubility (for MI3) and the ...

#72. partition coefficient in Croatian - Glosbe

This shall include reference to the octanol-water partition coefficient (Kow) and bioconcentration factor (BCF), if available.

#73. The blood–gas partition coefficient - Southern African Journal ...

A partition coefficient (λ) describes the relative affinity of a volatile anaesthetic for two phases and how that anaesthetic distributes ...

#74. Octanol solubility and octanol–water partition coefficients

Octanol—determination of the solubility of nonelectrolytes and weak electrolytes, partition coefficients with water; Partition coefficient—of ...

#75. logP and logD calculation

The partition coefficient is the ratio of the concentration of the compound in octanol to the concentration of the compound in water. The distribution ...

#76. Computed Tomographic Measurement of the Xenon Brain ...

Brain-Blood Partition Coefficient and Implications for. Regional Cerebral Blood Flow: APreliminary Report1. Frederick Kelcz, Ph.D.,2 Sadek K. Hilal, M.D., ...

#77. DETERMINATION OF PARTITION COEFFICIENT OF BENZO[i ...

Abstract: The octanol-water partition coefficients (log P) for a series of benzo[fc]thiophenes were estimated by high performance liquid chromatography on a ...

#78. What is partition coefficient - Word finder

Partition coefficients are useful in estimating the distribution of drugs within the body. Hydrophobic drugs with high octanol/water partition coefficients are ...

#79. Partition coefficient - Academic Dictionaries and Encyclopedias

In chemistry and the pharmaceutical sciences, a partition (P) or distribution coefficient (D) is the ratio of concentrations of a compound in the two phases ...

#80. Partition coefficient | ROQED

This animation explains how to calculate the Partition coefficient of the compound, when it is dissolved in two immiscible liquids.

#81. The impact of partition coefficient data on the interpretation of ...

Partition (or distribution) coefficients determine the relative equilibrium concentrations of chemical constituents (or chemical tracers) in ...

#82. 萃取

(Distribution [partition] coefficient)：. D=C溶劑/C水. D = C溶劑/C水. 其中C溶劑和C水分別為萃取物在溶劑和水層的濃度. 假定溶劑和水層等體積，水層的.

#83. Partition Coefficients of Chlorobenzenes in Heptane–Water ...

Partition coefficients (KD) of benzene and 11 chloro derivatives of benzene were determined at 25 °C in two liquid-liquid partition systems: heptane/water ...

#84. Determination of Equilibrium Solubility and Apparent Oil/Water ...

Partition coefficient of ursolic acid was 2.17 in n-octanol-water system. ... the equilibrium solubility of ursolic acid and its partition coefficients in ...

#85. Partition coefficient - Wiki2.org

Partition coefficients are useful in estimating the distribution of drugs within the body. Hydrophobic drugs with high octanol/water partition ...

#86. Octanol-Water Partition Coefficients: Fundamentals and ...

... 1.47 3.00 2.14 470-90-6 3930-20-9 84-66-2 1563-66-2 24017-47-8 299-86-5 3930-20-9 333-41-5 102-82-9 22494-42-4 164 OCTANOL - WATER PARTITION COEFFICIENTS.

#87. definition of Partition coefficient and synonyms of ... - Sensagent

Hydrophobic drugs with high octanol/water partition coefficients are preferentially distributed to hydrophobic compartments such as lipid bilayers of cells ...

#88. Nernst Distribution Law and Partition Coefficients - Quizlet

The equilibrium constant of a solute distributing between two immiscible sovlents. Image: Partition coefficient.

#89. Partition Coefficient - ppt download - SlidePlayer

3 The partition coefficient (P) is the ratio of the molar concentration of chemical in the non-aqueous phase (usually 1-octanol) versus that in the aqueous ...

#90. Groundwater Chemicals Field Guide - 第 xxi 頁 - Google 圖書結果

Water Solubility and Octanol / Water Partition Coefficients of Organics . Limitations of the SolubilityPartition Coefficient Correlation , " Environ . Sci .

#91. Solved In chromatography, the partition coefficient, K - Chegg

Why does a smaller partition coefficient correlate to a shorter elution time? There are equal amounts of solute in both phases. The partition coefficient is not ...

#92. Partition coefficient explained

What is Partition coefficient? Partition coefficient is the ratio of concentration s of a compound in a mixture of two immiscible solvents at equilibrium.

#93. mathrm {pH} }}}\right].\end{aligned}} - Wikimedia