Physicochemical study of solution behaviour of alkali metal perchlorates prevailing in N,N-Dimethyl Formamide with the manifestation of ion solvation consequences

IF 5.3 2区化学 Q2 CHEMISTRY, PHYSICAL Journal of Molecular Liquids Pub Date : 2015-04-01 DOI:10.1016/j.molliq.2015.01.010

Mahendra Nath Roy, Pritam De, Partha Sarathi Sikdar

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Abstract

Physicochemical analysis on densities (ρ), viscosities (η) and speed of sound (u) and electrolytic conductivities (Λ) of Lithium Perchlorate, Sodium Perchlorate and Potassium Perchlorate in pure N,N-Dimethyl Formamide have been performed at 298.15 K. Limiting molar conductance (Λ_o), association constant (K_A) and co-sphere diameter (R) for ion-pair formation have been obtained from Fuoss conductance equation. Masson equation is used to determine the limiting apparent molar volume (ϕ_V⁰) and experimental slope (S_V^⁎) to study the ion–solvent and ion–ion interactions respectively. The derived parameters A and B obtained from Jones–Dole equation represent ion–ion and ion–solvent interactions respectively. The u-values have been used to determine adiabatic compressibility (β_S) and limiting apparent molar adiabatic compressibility (ϕ_K⁰).

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碱金属高氯酸盐在N,N-二甲基甲酰胺中溶解行为的物理化学研究及其离子溶剂化后果的表现

在298.15 K的温度下，对N,N-二甲基甲酰胺中高氯酸锂、高氯酸钠和高氯酸钾的密度(ρ)、粘度(η)、声速(u)和电导率(Λ)进行了物理化学分析。由傅氏电导方程得到离子对形成的极限摩尔电导(Λo)、缔合常数(KA)和共球直径(R)。采用Masson方程分别确定了离子-溶剂和离子-离子相互作用的极限表观摩尔体积(ϕV0)和实验斜率(SV)。由Jones-Dole方程导出的参数A和B分别表示离子-离子和离子-溶剂相互作用。u值被用来测定绝热可压缩性(βS)和极限表观摩尔绝热可压缩性(ϕK0)。

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来源期刊

Journal of Molecular Liquids 化学-物理：原子、分子和化学物理

CiteScore

10.30

自引率

16.70%

发文量

2597

审稿时长

78 days

期刊介绍： The journal includes papers in the following areas: – Simple organic liquids and mixtures – Ionic liquids – Surfactant solutions (including micelles and vesicles) and liquid interfaces – Colloidal solutions and nanoparticles – Thermotropic and lyotropic liquid crystals – Ferrofluids – Water, aqueous solutions and other hydrogen-bonded liquids – Lubricants, polymer solutions and melts – Molten metals and salts – Phase transitions and critical phenomena in liquids and confined fluids – Self assembly in complex liquids.– Biomolecules in solution The emphasis is on the molecular (or microscopic) understanding of particular liquids or liquid systems, especially concerning structure, dynamics and intermolecular forces. The experimental techniques used may include: – Conventional spectroscopy (mid-IR and far-IR, Raman, NMR, etc.) – Non-linear optics and time resolved spectroscopy (psec, fsec, asec, ISRS, etc.) – Light scattering (Rayleigh, Brillouin, PCS, etc.) – Dielectric relaxation – X-ray and neutron scattering and diffraction. Experimental studies, computer simulations (MD or MC) and analytical theory will be considered for publication; papers just reporting experimental results that do not contribute to the understanding of the fundamentals of molecular and ionic liquids will not be accepted. Only papers of a non-routine nature and advancing the field will be considered for publication.