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81 protocols using tga sdta 851

1

Characterization of SA-β-CD/CNTs Hydrogel Beads

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SA-β-CD/CNTs were characterized by several high-technology instruments. Fourier emission scanning electron microscopy (FESEM, JEOL JSM-7600F, Tokyo, Japan) operating at 15.0 kV was used to determine the surface morphology of the hydrogel. Before scanning, dried SA-β-CD/CNTs hydrogel beads were attached to double-sided adhesive tape which was made electrically conductive (10 mm stubs). FESEM images were obtained with excitation voltage of 5 kV and magnification varied from 35.0 to 25.0 kX. The elemental identification of SA-β-CD/CNTs hydrogel was performed by Energy Dispersive X-Ray spectrometry (EDXs). Attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR) spectrometer (Perkin Elmer Spectrum RXI, Waltham, MA, USA) was applied to identify the functional groups of SA-β-CD/CNTs gel bead. Thermogravimetric analysis (TGA/SDTA 851, Mettler Toledo, Greifensee, Switzerland) was conducted to determine the thermal stability of the SA-β-CD/CNTs gel beads and SA-β-CD/CNTs hydrogel beads produced from the research under N2 atmosphere at a heating rate of 10 °C/min from 25 °C to 600 °C.
TGA/SDTA 851.
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2

Characterization of Mn5Si3 Nanorods

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The phase composition of the brass alloys and the crystal structure of the prepared nanorod samples were analyzed by an X-ray diffractometer (XRD, Rigaku Ultima IV, Tokyo, Japan). The purity of the Mn5Si3 nanorods was determined through X-ray fluorescence (XRF, Shimadzu XRF1800, Kyoto, Japan). The yield was calculated from the ratio of acquisition to addition using an analytical balance with a precision of 0.0001 g. The microstructures were characterized using a scanning electron microscope (SEM, Tescan Mira 3XMU, Brno, Czech Republic) equipped with an energy dispersive spectrometer (EDS), and a transmission electron microscope (TEM, JEOL JEM-F200, Tokyo, Japan). Magnetic properties were measured using a vibrating sample magnetometer (VSM, LakeShore-7404, Westerville, OH, USA) with a maximum applied magnetic field of 10 KOe at room temperature. Thermogravimetric (TG) analysis and differential thermal analysis (DTA) were carried out using a thermoanalyser apparatus (Mettler-Toledo, TGA/SDTA851, Columbus, OH, USA) to evaluate the oxidation resistance of Mn5Si3 nanorods in air. The nanorod samples were heated from room temperature to 1273 K at a constant rate of 10 K/min.
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3

Characterization of Commercial Lignin

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The commercial lignin used herein was produced by Jinan Yanghai Chemical Co., Ltd. (Jinan, China). Lignin that passed a 200-mesh sieve was used for testing, and its main technical indicators, molecular weight, and pyrolysis parameters are shown in Table 1. Among them, the lignin indicator was provided by the manufacturer. The molecular weight of lignin was determined by Agilent pl-gpc50 gel chromatography, and the pyrolysis test was conducted with a Mettler Toledo tga/sdta851 synchronous thermogravimetric analyzer.
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4

Thermal Analysis of Material Decomposition

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A Mettler TGA/SDTA 851 thermal analyzer was employed to carry out Thermogravimetric Analysis in air and in nitrogen atmosphere. The weight loss as a function of the temperature was recorded at 10 °C/min from 25 ° to 1000 °C.
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5

Characterization of Powder Samples

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Example 6

Methods

DSC and TGA

The DSC analysis was made on a Mettler Toledo DSC model 822. TGA analysis was made on a Mettler Toledo TGA/SDTA 851.

DVS-Analysis

A DVS analysis was made on a DVS AdVantage (Surface Measurement Systems).

XRPD

X-Ray powder diffraction patterns were collected on a PANalytical X'Pert PRO diffractometer using copper radiation equipped with PIXcel detector, automatic divergence and anti-scatter slits, soller slits and Ni-filter. The dry sample was applied to the ZBH with standard techniques for XRPD. The wet sample was analyzed by the use of porous Al2O3 plates to eliminate some of the solvent effects.

Microscope

Pictures were taken under microscope to compare with the Malvern results. The dry sample was applied on a microscope slide and some Miglyol was added. The slurry sample was analysed as it was or with a drop of Miglyol.

Equipment

Slurry experiments were performed in 4 ml vials using magnetic stirring.

While the invention has been described and pointed out in detail with reference to operative embodiments thereof, it will be understood by those skilled in the art that various changes, modifications, substitutions, and omissions can be made without departing from the spirit of the invention. It is intended therefore, that the invention embrace those equivalents within the scope of the claims that follow.

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6

Thermal Analysis of Dried Plant Extract

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The analysis was carried out with an indium-calibrated TGA apparatus (Mettler-Toledo, TGA/SDTA 851, Columbus, OH, USA). About 5 mg of dried extract was used in the study. The analysis was conducted by increasing temperature from 30 to 400°C at 10°C/min under nitrogen flow [19 (link)].
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7

Thermogravimetric Analysis of Catalyst

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In order to determine the temperature resistance of the synthesized catalyst, a thermogravimetric analysis (TGA) was conducted with a TGA/SDTA851 instrument from METTLERTOLEDO, covering a temperature range extending from 25 to 600 °C, with a heating rate of 10 °C/min. The tests were conducted in a nitrogen (N2) atmosphere with a flow rate of 20 mL/min, using silicon dioxide (SiO2) crucibles [24 (link)].
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8

Thermal Characterization of Materials

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Thermogravimetric analysis (TGA) was performed using a TGA/SDTA851 (Mettler Toledo, USA) under a nitrogen atmosphere (50 mL/min) by increasing the temperature from 30 to 850 °C at a heating rate of 10 °C/min. The derivative of the TGA curves (DTG) was also analyzed.
Differential scanning calorimetry (DSC) measurements were performed using a Mettler Toledo DSC822e under a nitrogen atmosphere (50 mL/min) by increasing the temperature from 30 to 180 °C with a heating rate of 10 °C/min. For each sample, an initial heating scan was performed from 25 to 220 °C at a rate of 10 °C/min to eliminate any heat history. This first cycle was followed by a rapid cooling to 25 °C in 5 min before a second heating cycle from 25 to 220 °C at 10 °C/min. Determination of the glass transition temperature (Tg) was carried out by analyzing the inflection point, corresponding to a slope change during the phase transition as observed in the second heating step.
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9

Thermal Analysis of Material Samples

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TG curves were acquired in the equipment TGA/SDTA 851—Mettler-Toledo. Samples of 10 to 15 mg were placed into an alumina pan, under a nitrogen atmosphere of 50 mLmin−1, and heated from 25 up to 600 °C, at heating rate of 10°Cmin−1.
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10

Thermogravimetric Analysis of Dual-Cured Samples

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Thermogravimetric analysis was carried out with a Mettler TGA/SDTA 851 instrument. Samples, obtained by dual curing with an approximate mass of 10 mg, were degraded between 20 and 700 1C at a heating rate of 10 1C min À1 in air.
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