eng
Sami Publishing Company
Chemical Methodologies
2645-7776
2588-4344
2020-07-01
4
4
369
377
10.33945/SAMI/CHEMM.2020.4.1
100292
مقاله پژوهشی
Isolation and Characterization of Fatty Acid Derivatives from the Stem Barks of Albizia Amara (Fabaceae), Sudanese Medicinal Plant
Ibrahim Abdurrahman
moniter123@outlook.com
1
Yang Cai-Xiab
yangcx@nwnu.edu.cn
2
Department of Basic Science, University of Zalingei, Zalingei, Sudan
College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, P.R. China
In this work, four fatty acid derivatives including, methyl tritriacont-17-en-1-oate 1, (9Z, 12Z)-ethyl octadeca-9,12-dienoate 2, stearic acid 3, and 21-acetyl tetracosanoic acid 4 were isolated from acetone extract of the stem barks of Albizia amara by chromatographic separation [TLC and CC]. The structures of the isolated compounds were established on the basis of extensive spectroscopic studies including 1D, 2D-NM, and MS analysis, and compared with literature. Compound 1, 2 and 3 were reported first time from the Albizia genus and compound 4 was a new phytoconstituent isolated for the first time from plant sources.
https://www.chemmethod.com/article_100292_228943eab23f3ee5a37a05c93e56c4cb.pdf
fatty acid derivatives
Albizia Amara
Fabaceae Albizia Amara
eng
Sami Publishing Company
Chemical Methodologies
2645-7776
2588-4344
2020-07-01
4
4
378
399
10.33945/SAMI/CHEMM.2020.4.2
99329
Corrosion in Polyethylene Coatings Case Study: Cooling Water Pipelines
Amir Samimi
amirsamimi1161@gmail.com
1
Soroush Zarinabadi
soroushzarinabadi@iauahvaz.ac.ir
2
Amir Hossein Shahbazi Kootenai
kootena@gmail.com
3
Alireza Azimi
a.azimi@mhriau.ac.ir
4
Masoumeh Mirzaei
m.mirzaei@mhriau.ac.ir
5
Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran
Department of Engineering, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran
Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran
Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran
Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran
Corrosion has been the greatest problem in oil and gas industry, and many experts have always tried to combat this major problem. This has been given to the corrosion and inspection in oil and gas industry. Corrosion in oil and gas wells is driven by some electrochemical mechanisms, and when the system reaches a temperature below the dew point, the moisture will be converted to liquid and many droplets form on the pipe's wall. The corrosion in pipelines' coatings is one of the main problems in oil and gas industries for which a huge amount of money is spent each year. Coating is the first defense line in front of a corrosive environment in which pipes have been buried. Good function of coating depends on its adhesion to the metal surface. Finally, according to our results in this article, we show that, the chemical compounds inside the coating such as chlorides and sulphides can play an electrolyte role, which accelerates corrosion.
https://www.chemmethod.com/article_99329_51fd0486f2faf1a0a6743470a3021ece.pdf
corrosion
coating
electrochemical reaction
Initial adhesiveness
oil and gas
eng
Sami Publishing Company
Chemical Methodologies
2645-7776
2588-4344
2020-07-01
4
4
400
407
10.33945/SAMI/CHEMM.2020.4.3
100293
مقاله پژوهشی
N,N,N',N'-Tetramethyl-N,N'-bis(sulfo)ethane-1,2- Diaminium Mesylate as a Highly Effective and Dual-functional Catalyst for the Synthesis of 1-Thioamidoalkyl-2-naphthols
Navid Irannejad-Gheshlaghchaei
navidiranneghad@yahoo.com
1
Abdolkarim Zare
abdolkarimzare@yahoo.com
2
Alireza Banaei
alireza.banaei@gmail.com
3
Hamideh Kaveh
h.kaveh4@gmail.com
4
Nahid Varavi
nahid.varavi9@gmail.com
5
Department of Chemistry, Payame Noor University, P.O. Box 19395-3697, Tehran, Iran
Department of Chemistry, Payame Noor University, PO BOX 19395-3697, Tehran, Iran
Department of Chemistry, Payame Noor University, P.O. Box 19395-3697, Tehran, Iran
Department of Chemistry, Payame Noor University, P.O. Box 19395-3697, Tehran, Iran
Department of Chemistry, Payame Noor University, P.O. Box 19395-3697, Tehran, Iran
N,N,N',N'-tetramethyl-N,N'-bis(sulfo)ethane-1,2-diaminium mesylate ([TMBSED][Oms]2) is used as a highly efficient and dual-functional catalyst for the one-pot multi-component condensation of 2-naphthol with arylaldehydes and thioacetamide under green, mild (70 °C), and solvent-free conditions. In this reaction, 1-thioamidoalkyl-2-naphthols are produced in high to excellent yields and in relatively short reaction times. In this reaction, products are identified by analysis of its 1H NMR, 13C NMR, and FT-IR data. Moreover, a plausible mechanism based on dual-functionality of the catalyst was proposed.
https://www.chemmethod.com/article_100293_7c36ddb44e3123a1a603b47eb3710036.pdf
N,N,N',N'-tetramethyl-N,N'-bis(sulfo)ethane-1,2-diaminium mesylate ([TMBSED][Oms]2)
Thioacetamide
1-Thioamidoalkyl-2-naphthol
Multi-component reaction
Dicationic ionic liquid
Dual-functional catalyst.
eng
Sami Publishing Company
Chemical Methodologies
2645-7776
2588-4344
2020-07-01
4
4
408
423
10.33945/SAMI/CHEMM.2020.4.4
101213
Green Chemistry: Principles, Applications, and Disadvantages
Wanisa Abdussalam-Mohammed
wanisa.mohammed@gmail.com
1
Amna Qasem Ali
amnaqasemali@yahoo.com
2
Asma O. Errayes
asmao.errayes@yahoo.com
3
Chemistry Department, Faculty of Science, Sebha University, Sebha, Libya
Chemistry Department, Faculty of Science, Sebha University, Sebha, Libya
Chemistry Department, Faculty of Science, University of Tripoli, Tripoli, Libya
This work provides an overview on applicability of 12 principles of green chemistry. Green chemistry is a term that indicates the creation of chemical products and procedures that reduces the use and production of harmful materials. The goals of green chemistry for protecting the environment can be achieved via several main directions. Some of them are bio-catalysis, use of alternative repeatable raw materials (biomass), alternative reaction solution (such as ionic liquids, supercritical fluids, water), alternative reaction circumstances (microwave activation) as well as to new photocatalytic reactions. Moreover, keep natural resources on earth without using harmful materials is the main objective of green chemistry. By changing patterns of consumption and production, steps are being taken to decrease the pollution and harmful waste, which considered being one of the important goals of green chemistry. Also, it was found that, it is so serious to develop alternative technologies that are safer for both human health and the environment to prevent any further damage to human health and the environment such as reducing release of dangerous chemicals to air leading to reduce damage to lungs. In addition, design safer chemical found to be a good opportunity to improve some chemical methods via producing cleaner and cheaper products in industrial processes when harmful chemicals are replacing with biological enzymes. For all the reasons outlined here, in this review, 12 principles of green chemistry are outlined with their applications, where shows how green chemistry reduces the impact of chemical processes on the environment and how their benefit can be achieved. And, also disadvantages of 12 principles are discussed, as well.
https://www.chemmethod.com/article_101213_efe849091d588418ed45c055efe18266.pdf
Principles of green chemistry
Biodegradation
Catalysis
Waste
Safer chemicals
Disadvantages
eng
Sami Publishing Company
Chemical Methodologies
2645-7776
2588-4344
2020-07-01
4
4
424
436
10.33945/SAMI/CHEMM.2020.4.5
102837
مقاله پژوهشی
Catharanthus Roseus Leaf Extract Mediated Facile Green Synthesis of Copper Oxide Nanoparticles and Its Photocatalytic Activity
Anbuvannan Mari
anbuvannan85@gmail.com
1
Maria Vinosel Vincent
vinovincent90@gmail.com
2
Ramesh Mookkaiah
rameshm82phy@gmail.com
3
Rajesh Subramani
rajeshphdphy@gmail.com
4
kannadasan Nadesan
nkannadasan87@gmail.com
5
Department of Physics, Sri Akilandeswari Women’s College, Wandiwash-604408, Tamil Nadu, India
Department of Physics, Sri Akilandeswari Women’s College, Wandiwash-604408, Tamil Nadu, India
Department of Physics, M.V. Muthiah Government Arts College for Women, Dindigul-624 001, Tamil Nadu, India
Department of Physics, Pachaiyappa's College for Men, Kanchipuram-631501, Tamil Nadu, India
Department of Physics, E.R.K Arts and Science College, Dharmapuri-636905, Tamil Nadu, India
In this research study, the sustainable and eco-friendly green synthesis report on the use of plant extract alternate to chemicals was discussed. The Catharanthus roseus extract was used as a natural reagent to synthesize nanoparticles a brief discussion on the usage of plant extract were also summarized.Copper oxide nanoparticles (NPs) were successfully prepared using a simple way involving the combination reaction between copper nitrate and leaf extract. The synthesis under leaf extract response played an important role and led to the formation of copper oxide NPs of different size and shapes. The catalyst was characterized by XRD, FTIR, UV–Vis–DRS, PL, SEM with EDX and TEM analysis. The crystalline structure and phase identification was examined using XRD analysis, The XRD results revealed formation of pure phase without any post annealing. Formation of the metal oxygen bond of CuO nanoparticles was confirmed by Fourier transform infrared spectroscopy (FTIR). The surface morphology of the CuO nanoparticles depicted nanorods and the size difference depends upon the method of synthesis. EDX analysis confirmed the phase-purity of the as synthesized nanoparticles. UV-Vis DRS of the as obtained nanorods exhibited the absorbance in the visible region. Photocatalytic activities of the CuO nanoparticles were evaluated based on photodegradation of rose Bengal under UV light irradiation. The results suggested that the nanocatalyst CuO has potential applications as an efficient catalytic material with high efficiency for the photocatalytic degradation of organic pollutants in aqueous solution under UV light irradiation.
https://www.chemmethod.com/article_102837_c88001dfd215e96b1ae177642eaa599e.pdf
CuO nanorods
Catharanthus roseus
Rose Bengal
Photodegradation
eng
Sami Publishing Company
Chemical Methodologies
2645-7776
2588-4344
2020-07-01
4
4
437
446
10.33945/SAMI/CHEMM.2020.4.6
104942
مقاله پژوهشی
Catalyst-free Synthesis of Mono and Bis Spiro Pyrazolopyridines in DSDABCO as a Novel Media
Mohammad Nikpassand
nikpassand@iaurasht.ac.ir
1
Leila Zare Fekri
chem_zare@yahoo.com
2
Department of Chemistry, Rasht Branch, Islamic Azad University, Rasht, Iran
Department of Chemistry, Payame Noor University, P.O. Box 19395-3697 Tehran, Iran
In this work, multicomponent synthesis of mono and bis spiro-pyrazolopyridines from isatin derivatives, indanedione and 3-methyl-5-aminopyrazole at the presence of 1,4-disulfo-1,4-diazoniabicyclo[2.2.2]octane chloride (DSDABCO) as a novel ionic liquid media is reported. The present methodology offers several advantages such as simple procedure, mild conditions, excellent yields, green media and reduced environmental consequences. The ionic liquid was recovered and reused. The structures of the synthesized spiro-pyrazolopyridine compounds were confirmed by 1H, 13C NMR and FTIR spectral data and elemental analyses.
https://www.chemmethod.com/article_104942_3692f5545564ce62697132581d710810.pdf
multi component reaction
pyrazolopyridine
Isatin
Indane-1,3-dione
Ionic Liquid
eng
Sami Publishing Company
Chemical Methodologies
2645-7776
2588-4344
2020-07-01
4
4
447
466
10.33945/SAMI/CHEMM.2020.4.7
105690
مقاله پژوهشی
Quantum Computations of Interactions of Most Reactive Tricyclic Antidepressant Drug with Carbon Nanotube, Serotonin and Norepinephrin
Fahimeh Shojaie
f.shojaie@kgut.ac.ir
1
Semiconductors group, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, P.O. Box 76315-117, Iran
First principles calculations were performed to study the neurotransmitters, tricyclic antidepressant drugs and (5,5) carbon nanotube in the gas phase and solution media for comparison purposes. All calculations were performed using DMol3 code in materials studio 5.5. The simulation results revealed that, the nitroxazepine is quite a reactive drug, so that it can act as the electron donating specie in its interacting with carbon nanotube. In addition, the nitroxazepine is the electron acceptor and serotonin and norepinephrine is the electron donor. To explain the interaction of the carbon nanotube, serotonin, and norepinephrine with nitroxazepine, their local reactivity was analyzed through Fukui functions. The results show that the hydrogen bonding between oxygen atoms of the nitroxazepine and OH of the serotonin and norepinephrine has been assigned as the dominant interaction. In order to gain a deeper understanding of the interaction between the nitroxazepine with the carbon nanotube, serotonin and norepinephrine, calculations of binding energies, quantum molecular descriptors, the most important modes of the vibrational frequencies and density of states (DOS) have been carried out.
https://www.chemmethod.com/article_105690_5efcadd24dcc968aabd8809654cd0810.pdf
Tricyclic antidepressant
Serotonin
Norepinephrine
Infrared spectrum
Carbon nanotubes
eng
Sami Publishing Company
Chemical Methodologies
2645-7776
2588-4344
2020-07-01
4
4
467
476
10.33945/SAMI/CHEMM.2020.4.8
105972
مقاله پژوهشی
Simultaneous Determination of Ramipril and Amlodipine Besylate in Tablet Dosage form by First Order Derivative Spectrophotometric Method
Ashok B. Patel
abp2038@gmail.com
1
Hina M. Jadav
hinajadav1991@gmail.com
2
Amitkumar J. Vyas
amitvyas77@gmail.com
3
Ajay I. Patel
aipvk84@gmail.com
4
Nilesh K. Patel
nkpatel99@gmail.com
5
Alpesh Chudasama
6
B.K. Mody Government Pharmacy College, Polytechnic Campus, Near Aji Dam, Rajkot, Gujarat, India, Postal code: 360003
B.K. Mody Government Pharmacy College, Polytechnic Campus, Near Aji Dam, Rajkot, Gujarat, India, Postal code: 360003
B.K. Mody Government Pharmacy College, Polytechnic Campus, Near Aji Dam, Rajkot, Gujarat, India, Postal code: 360003
B.K. Mody Government Pharmacy College, Polytechnic Campus, Near Aji Dam, Rajkot, Gujarat, India, Postal code: 360003
B.K. Mody Government Pharmacy College, Polytechnic Campus, Near Aji Dam, Rajkot, Gujarat, India, Postal code: 360003
Amneal pharmaceutical LLC, Murray Road, Hanover, NJ 07936, USA
The aim of present study was to develop a simple, precise, accurate and reproducible spectrophotometric method for simultaneous determination of ramipril and amlodipine besylate by UV-visible spectrophotometer using the first order derivative method. According to our present knowledge, no first order derivative method was reported so far. Thus, in present study it was decided to carry out first order derivative method and it was validated in compliance with ICH (Q2 R1) guideline. Ramipril and amlodipine besylate showed absorbance at the working wavelength of 211.87 nm (zero crossing point of amlodipine besylate) and 254.34 nm (zero crossing point of ramipril) respectively using distilled water as a diluent. Linearity was established over the concentration range of 2-25 μg/mL and 2-50 μg/mL for ramipril and amlodipine besylate with correlation coefficient 0.999 and 0.998 respectively. Accuracy was obtained between 99.91-101.06% and 99.66-100.66% for ramipril and amlodipine besylate respectively. LOD were found to be 0.078 μg/mL and 0.059 μg/mL and LOQ were 0.239 μg/mL and 0.178 μg/mL for ramipril and amlodipine besylate respectively. The results revealed that the developed method is suitable for the routine analysis of determining of ramipril and amlodipine besylate in a tablet dosage form.
https://www.chemmethod.com/article_105972_5e56254f49211c7160db186ce93cc86d.pdf
Ramipril
Amlodipine Besylate
First order derivative method
UV spectrophotometry
ICH guideline
eng
Sami Publishing Company
Chemical Methodologies
2645-7776
2588-4344
2020-07-01
4
4
477
493
10.33945/SAMI/CHEMM.2020.4.9
105974
مقاله پژوهشی
Preparation of Xanthan Magnetic Biocompatible Nano-Composite for Removal of Ni^2+ from Aqueous Solution
Alireza Bozorgian
a.bozorgian@mhriau.ac.ir
1
Soroush Zarinabadi
soroushzarinabadi@iauahvaz.ac.ir
2
Amir Samimi
amirsamimi1161@gmail.com
3
Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran
Department of Engineering, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran
Department of Chemical Engineering, Mahshahr Branch, Islamic Azad University, Mahshahr, Iran
This study investigates the uptake of the nickel (II) metal ions from aqueous sources using the xanthan magnetic biocompatible nano-composites. The desired nano-sorbent was first synthesized, analysed, and evaluated by scanning electron microscope (SEM) and Fourier transform infrared spectroscopy and (FT-IR), then used as adsorbent for removing the nickel from aqueous solution. Then the effect of different parameters such as contact time, adsorbent amount, pH, initial concentration, and temperature on the adsorption rate was investigated. The equilibrium time for the stirring state was 60 min and the optimum adsorbent value was 0.1 g and the acidity of 4 was the best pH. The highest removal efficiency was obtained at 97.6%. The kinetic studies of nickel removal by the synthesized adsorbent were performed and the results obtained for batch experiments follow the pseudo-quadratic kinetic model with (R2=0.9987). Equilibrium adsorption studies also revealed that, the adsorption process was in better agreement with the Freundlich isotherm (R2=0.9978). The positive Gibbs free energy (15.08 KJ/mole-1) showed that the process was spontaneous. Also the entropy changes was positive (0.03 KJ/mole-1), indicated an increase in entropy during the adsorption process in the system. Therefore, the adsorption process was associated with increasing the disorder.
https://www.chemmethod.com/article_105974_2df05d6397c557d96a66bb9e685fbef7.pdf
Adsorption
Hydrogel adsorbent
nickel
Nickel-xanthan removal
eng
Sami Publishing Company
Chemical Methodologies
2645-7776
2588-4344
2020-07-01
4
4
494
513
10.33945/SAMI/CHEMM.2020.4.10
105975
مقاله پژوهشی
Effect of Ni and Pd Transition Metal Functionalized on Interaction of Mercaptopyridine with B12N12 Nanocage: NBO, AIM, DFT, TD-DFT Study
M. Rezaei‒Sameti
mrsameti@gmail.com
1
M. Jafari
2
Department of Applied Chemistry, Faculty of Science, Malayer University, Malayer, 65174-79117, Iran
Department of Applied Chemistry, Faculty of Science, Malayer University, Malayer, 65174-79117, Iran
In this work, the effect of the functionalized Ni and Pd transition metals on interaction of the mercaptopyridine (MCP) with the boron nitride nanocage (B12N12) was investigated using the density functional theory (DFT) and TD-DFT method. The selected structures were optimized using the cam-B3LYP/Lanl2DZ level of theory. The adsorption energy and enthalpy values of MCP on the surface of pristine, Ni, and Pd functionalized B12N12 nanocage were negative and all adsorption process were exothermic. The results of the recovery time indicated that the pristine B12N12 nanocage with the lowest recovery time was suitable for making sensitive sensor for MCP molecule and the Ni functionalized B12N12 with the most recovery time that was favorable for making the adsorbent of the MCP molecule. The reduced gradient density (RDG) and quantum theory of atom in molecule (QTAIM) outputs revealed that the interaction of MCP with the Ni functionalized B12N12 were stronger than that of the pristine model. The UV-visible results confirmed that the adsorption of MCP on the surface of the Ni functionalized B12N12 with the most value of λmax was suitable as absorbent in UV area.
https://www.chemmethod.com/article_105975_722ec5fd38e2825f34e40c8d9509bab3.pdf
B12N12
Mercaptopyridine
Ni and Pd functionalized
DFT
NBO
MEP
eng
Sami Publishing Company
Chemical Methodologies
2645-7776
2588-4344
2020-07-01
4
4
514
531
10.33945/SAMI/CHEMM.2020.4.11
106208
مقاله پژوهشی
Theoretical Study of the Reaction Among Isocyanide, Dialkyl Acetylenedicarboxylate and Acetic Anhydride: The Investigation of the Reaction
Batoul Makiabadi
bmakiabadi@yahoo.com
1
Mohammad Zakarianezhad
m.zakarianejad@yahoo.com
2
Fahimeh Koorkinejad
bmakiabadi@sirjantech.ac.ir
3
Hoseyn Mehdizadeh
m.zakarianejad@pnu.ac.ir
4
Department of Chemical Engineering, Sirjan University of Technology, Sirjan, Iran
Department of Chemistry, Payame Noor University, Tehran, Iran
Department of Chemistry, Payame Noor University, Tehran, Iran
Department of Chemistry, Payame Noor University, Tehran, Iran
In this work, stepwise reaction mechanism of the [2+3] cycloaddition reaction among alkyl isocyanides (contains tert-butyl isocyanide, cyclo hexyl isocyanide) with dialkyl acetylenedicarboxylate (contains dimethyl acetylenedicarboxylate, diethyl acetylenedicarboxylate and di-tert-butyl acetylenedicarboxylate) at the presence of acetic anhydride was investigated both in the gas phase and in solvent was studied theoretically. The potential energy of all structures participated in the reaction path was evaluated. The geometry of all the structures participated during the reaction path, the rate-determining step, and potential competitive routes during the reaction coordinate were evaluated. Also, dielectric constant effect of the solvent, the effect of substituted alkyl groups on the potential energy surfaces, and the best product configuration were investigated based upon the quantum mechanical calculations. For better understanding of the molecular interaction, the natural bond orbital method (NBO) and AIM analysis were applied. The results indicated that, the first step of the reaction was recognized as rate-determining step and the reaction rate was predicted to be dependent on the concentration of alkyl isocyanides and dialkyl acetylenedicarboxylate. It was also found that, the electron donating of different alkyl groups was not the main factor for the variation in the potential energy surfaces of the reaction; however, the steric factor of the bulky alkyl groups participating in the reaction path was found to be the main factor.
https://www.chemmethod.com/article_106208_ea20eba6ed2b200fd84da5e36a6ce918.pdf
Theoretical study
Alkyl isocyanides
[2+3] Cycloaddition
Reaction mechanism
eng
Sami Publishing Company
Chemical Methodologies
2645-7776
2588-4344
2020-07-01
4
4
532
542
10.33945/SAMI/CHEMM.2020.4.12
106210
مقاله پژوهشی
Thermal Studies of Iron (II) Schiff Base Complexes: New Precursors for Preparation of α-Fe2O3 Nanoparticles via Solid-State Thermal Decomposition
Aliakbar Dehno Khalaji
alidkhalaji@yahoo.com
1
Maryam Ghorbani
kmvb1369@gmail.com
2
Department of Chemistry, Faculty of Science, Golestan University, Gorgan, Iran
Ph.D Educated, Department of Chemistry, Payame Noor University, Tehran, Iran
In this research study, four iron (II) complexes of tetradentate N2O2 Schiff base ligands with the general formula of Fe((MeO-bph)2 Am) (Am=1,2-ethyelenediamine (1), 1,3-propanediamine (2), 1,4-buanediamine (3) and 2,2-dimethyl-1,3-propanediamine (4) were synthesized and characterized using the elemental analysis (CHN) and FT-IR spectroscopy. Thermal properties and decomposition stages of all the complexes were evaluated. Finally, all complexes were decomposed at 600 °C for 3 h and the dark precipitates were characterized using the FT-IR, XRD and SEM. FT-IR and XRD results revealed that the precipitate were the pure phase of rhombohedral of magnetite (α-Fe2O3) nanoparticles. The SEM images showed that, the morphology of the precipitate was a relatively spherical shape and average diameter of 40-70 nm. The results of the thermogravimetric analysis the iron (II) complexes showed that the complexes 1–4 were stable until 140-200 °C. However, after that, all the complexes 1–4 decomposed in two stages at various temperatures.
https://www.chemmethod.com/article_106210_0e5be68407fa53eb0b9899664735e8b0.pdf
Iron(II) complexes
Schiff base ligands
α-Fe2O3 nanoparticles
thermal properties