The thermogravimetric analysis was acquired with a TA Q500 TGA at a heating rate of 10 °C/min and a flow rate of high purity nitrogen of 100 mL/min. Approximately 20–30 mg of samples was measured in alumina pans.
Ta q500 tga
Manufactured by TA Instruments
Sourced in United States
The TA Q500 TGA is a thermogravimetric analyzer that measures the change in the weight of a sample as a function of temperature or time. It can be used to study the thermal stability, composition, and weight loss characteristics of a wide range of materials.
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6 protocols using ta q500 tga
1
Thermogravimetric Analysis of Samples
2
Thermal Analysis of IECP with/without Catalyst
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The IECP processes with and without catalyst
were analyzed using a TAQ500 TGA (TA Instruments) equipped with an
FT-IR spectrometer (Tensor-27, Bruker, Germany). The TG was combined
with the FT-IR spectrometer by a thermostatic tube of 200 °C.
Approximately 15 ± 0.1 mg of the sample was placed in an alumina
crucible and then heated to 850 °C with a heating rate of 30
°C/min in a nitrogen flow of 100 mL/min.
were analyzed using a TAQ500 TGA (TA Instruments) equipped with an
FT-IR spectrometer (Tensor-27, Bruker, Germany). The TG was combined
with the FT-IR spectrometer by a thermostatic tube of 200 °C.
Approximately 15 ± 0.1 mg of the sample was placed in an alumina
crucible and then heated to 850 °C with a heating rate of 30
°C/min in a nitrogen flow of 100 mL/min.
3
Thermal Degradation Analysis of TOCN-GO
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TGA was conducted on a TA Q500 TGA to observe the thermal degradation behavior of the TOCN-GO nanocomposites as the effect of the oxidation state and GO content. Approximately 10 mg of each sample was heated from room temperature to 700 °C at a rate of 10 °C/min under nitrogen.
4
Thermogravimetric Analysis of Materials
5
Characterization of Prepared Materials
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The crystal structure of the prepared materials was examined by X-ray diffraction (XRD, XPERT- PRO- Analytical) with Cu Kα radiation (λ = 1.54 °A). The surface morphology was investigated by field-emission scanning electron microscope (FESEM-Zeiss SEM Ultra-60). The morphology of the samples was investigated using high-resolution transmission electron microscope (HRTEM, JOEL JEM-2100) operating at an accelerating voltage of 120 kV. The infrared (IR) spectra were recorded using a JASCO spectrometer (FTIR-6300 type A) in the range 400–4000 cm−1. The UV/Vis spectrophotometric measurements were made using a Shimadzu 2040 spectrophotometer. Raman measurements were performed using a micro-Raman microscope with an excitation laser beam wavelength of 325 nm. The weight loss of the samples was determined using TGA thermal analyzer (TA TGA-Q500) from room temperature to 800 °C at a heating rate of 10 °C/min in nitrogen atmosphere.
6
Comprehensive Characterization of Functionalized Magnetite Nanoparticles
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The phase purity and crystallinity of the pure Fe3O4, PVPylated Fe3O4 and TQ-PVP-Fe3O4 NPs were studied by X-ray diffraction (XRD, model D5005D, Germany). The chemical structure, functional groups and thymoquinone loading on PVPylated Fe3O4 NPs were analysed by Fourier transform infrared (FTIR) spectroscopy (FITR, Jasco Tensor 27, Japan). The surface micrograph of pure Fe3O4, PVPylated-Fe3O4 and TQ-PVP-Fe3O4 NPs were viewed using a field emission scanning electron microscope (FESEM, Quanta-250 FEG, Germany) with line scanning using an energy-dispersive X-ray spectrometer (EDX, Bruker, Germany) and transmission electron microscope (TEM, JEOL JEM-1200, Japan). The surface charge of magnetic NPs was measured using a zeta potential analyzer (Nicomp Zetasizer 380ZLS, USA). The weight loss and thermal stabilities of the pure Fe3O4, PVPylated-Fe3O4 and TQ-PVP-Fe3O4 NPs were measured by thermogravimetric analysis (TGA) under an oxygen gas flow (TA-TGA Q-500, TA Instrument, USA). A vibrating sample magnetometer (VSM, EV X model, USA) was used to measure the superparamagnetic behaviour of the pure Fe3O4 and drug-loaded Fe3O4 NPs at room temperature. The specific surface area, pore volume and pore size distribution of PVPylated Fe3O4 NPs were measured using a Brunner–Emmett–Teller surface area analyzer (BET, Microtarc, BELSORP-max, Japan).
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