Physico-chemical and excess properties of the binary mixtures of methylcyclohexane+ethanol, +propan-1-ol, +propan-2-ol, +butan-1-ol, +2-methyl-1-propanol, or 3-methyl-1-butanol at T=(298.15, 303.15, and 308.15)K

Aralaguppi, Mrityunjaya I.; Baragi, Jagadish G.

doi:10.1016/j.jct.2005.06.011

Cited by 93 publications

(27 citation statements)

References 20 publications

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“…Ultrasonic studies have been utilized for chemometrics for more than five decades as they are inherently well suited for characterization of composition, reacting system conditions, mixing and multiphase properties and provide real time images and help in characterization process. For example, the measurement of ultrasonic speed (Izbaim et al 2009) enables the accurate determination of some useful acoustic and thermodynamic parameters and the variation in the acoustic parameters is due to the molecular interactions in liquid mixtures (Ali et al 2004;Aralaguppi and Barragi 2006).…”

Section: Introductionmentioning

confidence: 99%

Effect of antioxidant tertiary butyl hydroquinone on the thermal and oxidative stability of sesame oil (sesamum indicum) by ultrasonic studies

Prasad¹,

Basavarajaiah²,

Banu³

2014

J Food Sci Technol

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The aim of the current investigation is to evaluate the efficiency of tertiary butyl hydroquinone (TBHQ) as an antioxidant in sesame oil (sesamum indicum) by density, viscosity and ultrasonic velocity. The effects of varying amounts of TBHQ on the oxidation stability of sesame oil have been investigated. The antioxidant incorporated sesame oil system and control edible oil were subjected to heating at 180 ± 5 °C continuously for a period of 4 h per day for consecutive 4 days. The parameters used to assess the thermal degradation and oxidation properties of the oils include ultrasonic velocity, viscosity, density and peroxide value. The fatty acid compositions of the oils were measured by gas chromatography. Adiabatic compressibility, intermolecular free length, relaxation time and acoustic impedance have been calculated from experimental data. Viscosity, density and ultrasonic velocity change in control oil is from 3.6553 × 10(-2) to 11.1729 × 10(-2) Nsm(-2), 912.59 to 940.31 kg/m(3) and 1,421 to 1,452 m/s respectively and in sesame oil with 200 ppm TBHQ is from 3.6793 × 10(-2) to 6.4842 × 10(-2) Nsm(-2), 913.78 to 922.45 kg/m(3) and 1,421 to 1,431 m/s respectively for 16 h of heat treated oil. The ultrasonic results obtained have shown reduction in thermal degradation and improvement in oxidation stability of antioxidant loaded oil in comparison to base oil. Hence, it can be recommended that sesame oil with 200 ppm TBHQ can be used for frying without adverse effect on physical properties. The ultrasonic velocity can be used for assessment of stability of frying oil.

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Section: Introductionmentioning

confidence: 99%

Effect of antioxidant tertiary butyl hydroquinone on the thermal and oxidative stability of sesame oil (sesamum indicum) by ultrasonic studies

Prasad¹,

Basavarajaiah²,

Banu³

2014

J Food Sci Technol

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“…In general terms, an adequate agreement with previously published data is observed. For each alcohol should be found a few collection of poor quality an anomalous trend in density ([91] for methanol; [102] for ethanol; [78,95,102,111] for propan-1-ol; [95,111,121] for butan-1-ol; [109] for 2-methyl-propan-1-ol and for 2methyl-propan-2-ol; [112,144] for pentan-1-ol) and in ultrasonic velocity ( [95,98] Wilhoit and Zwolinski, 1973), (, Lange, 1973), (▲, Weast, 1974), ( ,--, Hales and Ellender, 1976), (,-• -, Diaz-Peña and Tardajos, 1979), (, Won et al, 1981), (,•••, Ortega, 1982), (,-• -, Rauf et al, 1983), ( , Munster et al, 1984), ( ,--, Riddick et al, 1986), (, --, Garcia, 1991), (, DIPPR, 2000), (,-• • -, Pereira et al, 2003), , (▼,--, Gonzalez et al, 2006b), ( , Vercher et al, 2007), (,•••, Kannappan et al, 2009), , ( , Kurnia et al, 2011), (▲, Singh et al, 2013), (▼,--, Elangovan and Mullainathan, 2014), (,--, Nabi et al, 2016). Ortega, 1982), (,-• -, Rauf et al, 1983), (,--, Garcia, 1991) [lez et al, 2006b), (, Goenaga et al, 2007), (,…”

Section: Comparison With Open Literature Datamentioning

confidence: 99%

“…Riddick et al, 1986), (, DIPPR 2000), (,--, Mussari et al, 2000), ( , --, Troncoso et al, 2001), (▲,•••, Resa et al, 2004), (,--, Gonzalez et al, 2006a) Alavianmehr et al, 2016). Riddick et al, 1986), (, DIPPR 2000), (,--, Villares et al, 2004), (,•••, Aralaguppi and Baragi, 2006), (▼,---, Resa et al, 2006), ( ,--, Manukonda et al, 2013). Timmermans, 1965), (▲, Costello and Bowden, 1958), ( , --, Kenttamaa et al, 1959), (, Brown and Smith, 1962), (, Franks and Smith, 1968), (, Riddick et al, 1986), (, Kubota et al, 1987), (▼,--, Kim and Marsh, 1988), ( ,-• • -, Sakurai, 1988), (,---, Kipkemboi and Easteal, 1994), (, Rived et al, 1995), (, DIPPR 2000), (▼, Nikam et al, 2000), (,-• • -, Villares et al, 2004), (▲, Cataliotti et al, 2006), (, Bachu et al, 2008), (, Gonzalez-Olmos and Iglesias, 2008) Riddick et al, 1986), (, DIPPR 2000), (, Resa et al, 2006), ( , Goenaga et al, 2007).…”

Section: Comparison With Open Literature Dataunclassified

Modelling and experimental thermodynamic data of hydroxylic compounds (C1-C6) as a function of temperature

Andrade

González

Xavier

et al. 2020

International Journal of Thermodynamics

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Alcohols have a long history of several uses worldwide. Because of their relatively low toxicity compared with other many chemical compounds and ability to dissolve non-polar substances, alcohols can be found into beverages for adults, used as combustion engine fuel, as excipient in medical drugs, as component into personal-care products and in many scientific and industrial applications. One of the key problems of the chemical industry is the lack of available physical properties data for equipment industrial design and improvement of theoretical models for simulation. The present work deals with the modelling and experimental measurement (density and ultrasonic velocity) of thermophysical properties of short chain hydroxylic compounds (C1-C6), making a contribution with quality data to the available thermodynamic databases. Fitting equations were applied to the experimental data in order to correlate for later computer based design. Different derived magnitudes were computed from the experimentally measured density and ultrasonic velocity, due to their importance for theoretical calculations and development of new models. The estimation of the studied properties was made by the application of different theoretical procedures. A wide comparison was made with available open literature, being evident the lack of reliable information in the ranges studied until now.

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“…These interactions provide better understanding of the molecular structures i.e., whether there is a change with respect to system i.e its structural modifications or distorts the structure of the constituents under the influence of ultrasonic sound. The measurement of ultrasonic velocity suggests the accurate determination of some useful acoustical and thermodynamic parameters and their excess properties which are highly sensitive to molecular interactions in liquid mixtures [4,5]. Thermodynamic and transport properties of binary and ternary mixtures with different organic liquids have been studied by many authors [6].…”

Section: Introductionmentioning

confidence: 99%

Excess Acoustical Properties and Molecular Interactions in Ternary Liquid Mixtures of 3(Meta)Methoxy Phenol, 1 Propanol and n- Hexane at 303 K, 308 K & 313 K using Ultrasonic Techniques

2019

IJITEE

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The Ultrasonic velocity(U), density(ρ), and viscosity(η) have been measured experimentally for the ternary liquid mixtures of 3(meta) methoxy phenol(MMP), 1 propanol and n hexane at various temperatures viz., 303 K, 308 K and 313 K at constant frequency of 2 MHz. for different concentrations ranges from 0.001M to 0.01M. The thermodynamic and acoustical parameters such as adiabatic compressibility(β), Rao constant(R), absorption coefficient (α/f2 ), internal pressure(πi), cohesive energy(CE), free volume(Vf), free length(Lf), acoustic impedence(z), available volume(Va), viscous relaxation time and Lenard Jones potential were calculated from the experimental data. The various excess properties including excess Ultrasonic velocity, excess acoustic impedence, excess free length, excess adiabatic compressibility, excess free volume and excess internal pressure were also computed. The variation of these excess parameters with respect to concentration and temperatures have been discussed in the light of molecular interaction. The molecular interactions were predicted based on the results obtained for ultrasonic velocities of different concentrations of the ternary mixtures at different temperatures.

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Physico-chemical and excess properties of the binary mixtures of methylcyclohexane+ethanol, +propan-1-ol, +propan-2-ol, +butan-1-ol, +2-methyl-1-propanol, or 3-methyl-1-butanol at T=(298.15, 303.15, and 308.15)K

Cited by 93 publications

References 20 publications

Effect of antioxidant tertiary butyl hydroquinone on the thermal and oxidative stability of sesame oil (sesamum indicum) by ultrasonic studies

Effect of antioxidant tertiary butyl hydroquinone on the thermal and oxidative stability of sesame oil (sesamum indicum) by ultrasonic studies

Modelling and experimental thermodynamic data of hydroxylic compounds (C1-C6) as a function of temperature

Excess Acoustical Properties and Molecular Interactions in Ternary Liquid Mixtures of 3(Meta)Methoxy Phenol, 1 Propanol and n- Hexane at 303 K, 308 K & 313 K using Ultrasonic Techniques

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