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View article: MnFe<sub>2</sub>O<sub>4</sub>/activated carbon composite: synthesis, molybdate adsorption, and <sup>99</sup>Mo/<sup>99m</sup>Tc radioisotope generator
MnFe<sub>2</sub>O<sub>4</sub>/activated carbon composite: synthesis, molybdate adsorption, and <sup>99</sup>Mo/<sup>99m</sup>Tc radioisotope generator Open
Activated carbon (AC) derived from rice husks was synthesized via chemical activation and functionalized with manganese ferrite (MnF) nanocomposites through a one-step hydrothermal method to obtain MnF/AC. Molybdenum-99 ( 99 Mo) was produc…
View article: MIL-101 (Cr): synthesis and simultaneous electrochemical determination of uric acid and theophylline using MIL-101 (Cr) modified electrode
MIL-101 (Cr): synthesis and simultaneous electrochemical determination of uric acid and theophylline using MIL-101 (Cr) modified electrode Open
This paper uses hydrothermal processes to synthesize metal–organic frameworks in the MIL (Materials Institute Lavoisier) series. Our research revealed that MIL-101 was formed at the early synthetic stage, approximately eight hours, followe…
View article: Simultaneous Electrochemical Determination of Uric Acid, Xanthine, and Hypoxanthine Using AgNPs/MIL-101(Cr) Modified Electrode
Simultaneous Electrochemical Determination of Uric Acid, Xanthine, and Hypoxanthine Using AgNPs/MIL-101(Cr) Modified Electrode Open
This paper presents silver nanoparticles supported by the Matérial Institute Lavoisier-101 (AgNPs/MIL-101(Cr)) for electrochemical determination of uric acid (URA), xanthine (XAT), and hypoxanthine (HPX). The prepared AgNPs/MIL-101 was cha…
View article: Separation of Spherical Nanosilica from Agricultural Wastes in Vietnam via Ultrasonic-Assisted Precipitation and Application for Effective Removal of Methylene Blue from Aqueous Solution
Separation of Spherical Nanosilica from Agricultural Wastes in Vietnam via Ultrasonic-Assisted Precipitation and Application for Effective Removal of Methylene Blue from Aqueous Solution Open
Agricultural wastes including bagasse and rice husk ashes are employed for synthesizing spherical nanosilica materials via the ultrasonic-assisted precipitation process in the present study. The comparison between them and nanosilica prepa…
View article: Simultaneous determination of chloramphenicol and tinidazole by electrochemical analysis using MnO2/electrochemically reduced graphene oxide modified electrode
Simultaneous determination of chloramphenicol and tinidazole by electrochemical analysis using MnO2/electrochemically reduced graphene oxide modified electrode Open
Manganese (IV) oxide/electrochemically reduced graphene oxide (MnO2/ErGO) composite was synthesized in an oxidation-reduction process followed by electrochemical reduction. The obtained materials were characterized with X-ray diffraction (…
View article: Synthesis of hierarchical binary core‐branch nanocomposite of carbon microspheres@<scp>α‐Fe<sub>2</sub>O<sub>3</sub></scp> for enhancing electrochemical behavior
Synthesis of hierarchical binary core‐branch nanocomposite of carbon microspheres@<span>α‐Fe<sub>2</sub>O<sub>3</sub></span> for enhancing electrochemical behavior Open
A facial strategy for the synthesis of hierarchical binary core‐branch carbon microspheres (CMS)@α‐Fe 2 O 3 is presented. X‐ray diffraction (XRD), Fourier transform infrared spectroscopy (FT‐IR), energy‐dispersive X‐ray spectroscopy (EDX),…
View article: Highly porous Co-doped NiO nanorods: facile hydrothermal synthesis and electrocatalytic oxygen evolution properties
Highly porous Co-doped NiO nanorods: facile hydrothermal synthesis and electrocatalytic oxygen evolution properties Open
Highly porous 3d transition metal oxide nanostructures are opening up the exciting area of oxygen evolution reaction (OER) catalysts in alkaline medium thanks to their good thermal and chemical stability, excellent physiochemical propertie…
View article: Single-Atom Ni Heterogeneous Catalysts Supported UiO-66 Structure: Synthesis and Catalytic Activities
Single-Atom Ni Heterogeneous Catalysts Supported UiO-66 Structure: Synthesis and Catalytic Activities Open
Herein, the single-atom Ni site heterogeneous catalysts supported by the UiO-66 structure (University of Oslo-66 metal organic framework) were successfully synthesized by a postsynthetic metalation method, where Ni ions are covalently atta…
View article: SỬ DỤNG ĐIỆN CỰC THAN THỦY TINH BIẾN TÍNH VỚI ZIF-67/rGO ĐỂ XÁC ĐỊNH RHODAMINE-B BẰNG PHƯƠNG PHÁP VON-AMPE XUNG VI PHÂN
SỬ DỤNG ĐIỆN CỰC THAN THỦY TINH BIẾN TÍNH VỚI ZIF-67/rGO ĐỂ XÁC ĐỊNH RHODAMINE-B BẰNG PHƯƠNG PHÁP VON-AMPE XUNG VI PHÂN Open
Bài báo này trình bày QT quá trình tổng hợp vật liệu khung zeolite imidazolate kim loại ZIF-67/graphen oxit dạng khử (ZIF-67/rGO). Vật liệu này là các hạt nano ZIF-67 phân tán đều trên tấm rGO và có diện tích bề mặt riêng lớn (498 m2·g). L…
View article: Synthesis, characterization and photocatalytic application of CNTs/ZnO composite
Synthesis, characterization and photocatalytic application of CNTs/ZnO composite Open
In the present study, CNTs/ZnO composite is prepared via ultrasonic method, in which, ZnO is synthesized by precipitating Zn(CH3COO)2 in oxalic acid. The obtained composite is characterized by modern physico-chemical methods. The band gap …
View article: TỔNG HỢP CHẤT MÀU XANH COBAN CoxMg1–xAl2O4 DÙNG TRONG GỐM SỨ BẰNG PHƯƠNG PHÁP PECHINI
TỔNG HỢP CHẤT MÀU XANH COBAN CoxMg1–xAl2O4 DÙNG TRONG GỐM SỨ BẰNG PHƯƠNG PHÁP PECHINI Open
Bài báo trình bày quá trình tổng hợp chất màu xanh coban CoxMg1–xAl2O4 (x = 0,1÷0,9) theo phương pháp Pechini. Các đặc trưng của sản phẩm chất màu được xác định bởi phương pháp nhiễu xạ tia X (XRD), phân tích nhiệt (TG–DSC), hiển vi điện t…
View article: Oxidation of dibenzothiophene using the heterogeneous catalyst of tungsten-based carbon nanotubes
Oxidation of dibenzothiophene using the heterogeneous catalyst of tungsten-based carbon nanotubes Open
Highly effective tungsten-based carbon nanotubes (W/CNT) were synthesized and used as a heterogeneous catalyst for the oxidation of dibenzothiophene (DBT) with the oxidant H 2 O 2 . The obtained materials were characterized by modern metho…
View article: INFLUENCE OF SYNTHESIS FACTORS ON PROPERTIES OF GEOPOLYMERS BASED ON RED MUD AND RICE HUSK ASH
INFLUENCE OF SYNTHESIS FACTORS ON PROPERTIES OF GEOPOLYMERS BASED ON RED MUD AND RICE HUSK ASH Open
In this paper, the effect of mixing ratio of raw materials, curing temperature and time on geopolymerization between red mud and rice husk ash were investigated. The results showed that the optimum conditions were SiO2/Al2O3 ratio of 4 and…
View article: SYNTHESIS OF ENVIRONMENTALLY FRIENDLY (Bi, Ca, Zn)VO4 INORGANIC YELLOW PIGMENTS
SYNTHESIS OF ENVIRONMENTALLY FRIENDLY (Bi, Ca, Zn)VO4 INORGANIC YELLOW PIGMENTS Open
In this paper, the synthesis of scheelite based environmentally friendly inorganic yellow pigments was presented. The pigments of Bi1-x-yCaxZnyVO4-(x+y)/2 (x = 0.1 ÷ 0.9, y = 0.1 ÷ 0.9) have been prepared by the evaporation to dryness from…
View article: A STUDY ON KINETIC AND THERMODYNAMIC ADSORPTION OF FLUORIDE IN AQUEOUS SOLUTION ONTO ALUMINIUM HYDROXIDE COATED RICE HUSK ASH
A STUDY ON KINETIC AND THERMODYNAMIC ADSORPTION OF FLUORIDE IN AQUEOUS SOLUTION ONTO ALUMINIUM HYDROXIDE COATED RICE HUSK ASH Open
The fluoride adsorption on aluminum hydroxide coated rice husk ash material (RHA/Al(OH)3) was demonstrated in this study. The isothermal data indicated that the Langmuir model well described the adsorption system with the maximum monolayer…
View article: Treatment of fluoride in well-water in Khanhhoa, Vietnam by aluminum hydroxide coated rice husk ash
Treatment of fluoride in well-water in Khanhhoa, Vietnam by aluminum hydroxide coated rice husk ash Open
In this study, aluminum hydroxide coated rice husk ash [RHA/Al(OH) 3 ] was synthesized and used for adsorption of fluoride from aqueous solution. The amorphous material containing 20% (w/w) of Al 2 O 3 was obtained by stirring the mixture …