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Tga 51

Manufactured by Shimadzu
Sourced in Japan

The Shimadzu TGA-51 is a thermogravimetric analyzer that measures the change in weight of a sample as a function of temperature and time in a controlled atmosphere. The instrument provides accurate measurement of weight changes, including evaporation, decomposition, and oxidation reactions. The TGA-51 is designed for precise and reliable thermal analysis of a wide range of materials.

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18 protocols using tga 51

1

Thermo-mechanical and Thermal Analysis of Materials

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Thermo-mechanical determination of the glass transition temperatures (T g ) was carried out in a dynamic mechanical thermal analyzer (DMTA IV, Rheometric Scientific), in the rectangular tension mode at1 Hz and a heating rate of 2 • C/min. The temperature range of measurements was from -100 • C to 75 • C. The strain amplitude was 0.04% to assure that the mechanical response of the samples was within the linear viscoelastic range. Samples dimensions were 15.0 mm × 5.0 mm × 0.26 mm (length, width and thickness, respectively). Three replicates were tested for each system.
The thermal stability of the samples was measured with a thermogravimetric analyzer (Shimadzu TGA-51). Approximately 10 mg of each sample was subjected to heating from 30 to 500 • C at a rate of 10 • C/min in a dry nitrogen atmosphere. The flow rate of nitrogen was 50 mL/min. The mass of the sample was continuously recorded while the sample temperature was ramped at a constant heating rate, then the weight loss as function of the temperature was calculated.
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2

Thermal Analysis of Materials

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The glass transition temperature and thermal degradation temperature was evaluated by Differential Scanning Calorimetry (DSC-60, SHIMADZU Instrument) and Thermogravimetric Analysis (TGA-51, SHIMADZU Instrument) at a heating rate of 10 °C/min under nitrogen atmosphere. DSC was performed by heating the sample from −50 to 150 °C at a scan rate of 10 °C/min and a modulated frequency of −0.5 °C every 40 s. The test was conducted under a N2 flow of 10 ml/min. For TGA analysis, 5–6 mg of samples were kept in an alumina pan and scanned at a heating rate of 10 °C/min up to 600 °C in a nitrogen atmosphere with 10 ml/min nitrogen gas flow rate.
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3

Thermal Analysis and X-ray Diffraction of Mesylate Salts

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Thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) measurements were performed with a Shimadzu TGA-51 thermogravimetric analyser and a Shimadzu DSC-60 differential scanning calorimeter respectively, using a platinum pan, flowing N2 at 10 mL min−1, and a heating rate of 10 °C min−1 from room temperature (RT) to 600 °C (DSC) and to 900 °C (TGA). TGA and DSC curves were collected and processed with “TA60” software, associated to the instruments.
The thermal evolution of the monohydrated mesylate salt (MBZH·MsO·H2O) was studied by keeping a powder sample of this material in a heating stove at 100 °C for 60 min in air. The heating stove was previously brought and stabilized at 100 °C. The same procedure was followed with a powder sample of the anhydrous salt (MBZH·MsO). The powder X-ray diffraction patterns of both samples, before and after the heating process were compared in order to examine the eventual transformations of the solid materials due to dehydration, phase transitions, amorphization, etc. These powder X-ray diffraction patterns were obtained on a Bruker D8 Advance diffractometer with Bragg–Brentano geometry using Cu Kα radiation between 5° and 40° in 2θ with a scanning rate of 300 s per step and a step of 0.026°.
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4

Thermal Analysis of Nanoparticle Composites

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Thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) were performed on npBX and npBL. Samples were placed in an alumina crucible and subjected to thermal gravimetric analysis (Shimadzu®, model TGA 51, Kyoto, Japan) with a temperature range from 27 °C up to 1200 °C with an incremental increase in heat of 10 C/min in an inert nitrogen atmosphere at a gas flow of 50 mL/min. For DSC analysis (Shimadzu®, model DSC 60 PLUS), samples were packed into an aluminum pan, heated up to 90 °C, cooled to room temperature and then heated again up to 600 °C (with the heat increasing at a rate of 10 °C per minute) in an inert nitrogen atmosphere at 50 mL/min.
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5

Pt Nanoparticle Catalyst Synthesis and Characterization

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Supported Pt NPs catalysts (3 wt%) were prepared by the impregnation method. γ-Al2O3 (97 %, STREM Chemicals Inc.) and SiO2 (99.9 %, Fujifilm Wako Pure Chemicals Co.) were calcined at 973 K for 5 h in the air. The samples were immersed in aqueous H2PtCl6 and dried up at 393 K to obtain the 3 wt% Pt precursors. Pt/Al2O3 and Pt/SiO2 were synthesized by the reduction of the precursors under H2 (36 mL min−1) flow at 773 K for 2 h. The calcination of the precursor synthesized PtOx/Al2O3 at 773 K for 5 h in air. Supported Pt NPs were analyzed by FE-TEM (JEM-2010F, JEOL Ltd.) and XRD (MiniFlex600, Rigaku Co. Ltd.). Dielectric properties of as-prepared and vacuum-dried (383 K, 72 h) catalysts were measured by the perturbation method42 ,43 (link) using a 2.45 GHz cavity resonator (TM010 mode) equipped with a vector network analyzer (ZND, Rohde & Schwarz, Supplementary Table 1). The amounts of water adsorbed on Pt/Al2O3 and Pt/SiO2 were determined using a thermo-gravimetric analyzer (TGA-51, Shimadzu Co.) under 20 mL min−1 Ar flow (Supplementary Fig. 1).
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6

Thermogravimetric Analysis of Samples

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Thermogravimetric analysis was performed using Shimadzu TGA equipment (TGA-51 Shimadzu, Kyoto, Japan). About 20 mg of the sample was placed in an aluminum pan with the following operating conditions: nitrogen atmosphere with a flow rate of 50 mL min−1; heating rate of 10 °C min−1; and temperature range from 25 to 600 °C.
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7

Characterization of Polymer Textural Properties

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SEM was used to explore the textural properties
of polymer materials with a Quanta 250 SEM equipment. The SEM photomicrographs
of the materials whose free surfaces were coated with thin gold layers
were taken in the 3.0–5.0 kV accelerating voltage range.
To determine the change in phosphorylated FC bond structures with
and without crosslinking, a Shimazdzu FTIR-8400S spectrophotometer
equipment was used to acquire IR spectra of 4000–400 cm–1 with a resolution of 4 cm–1 and
24 scans per sample. The KBr pellet approach was used to obtain IR
spectra by scanning solid pellets containing roughly 2 mg of cellulosic
material and 148 mg of spectroscopically pure KBr.
The samples’
Brunauer–Emmett–Teller (BET)
surface area and pore size were evaluated using the Micromeritics
Gemini V analyzer and the N2 adsorption–desorption
method at 77 K. Analysis chamber containing samples was vacuumed up
to a pressure of 20 mTorr for the first 2 h at 70 °C and then
at 90 °C for 12 h.
A thermogravimetric analyzer (Shimadzu,
TGA-51) was used to determine
detectable thermal stability and heat capacity variations. Thermograms
were acquired by dynamic heating under a nitrogen environment from
20 to 1000 °C with a heating rate of 5 °C/min.
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8

Thermogravimetric Analysis of Materials

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The thermogravimetric analyzes were performed on the Shimadzu TGA -51 equipment from the Federal Institute of Piauí -IFPI, from the laboratory of the Program in Materials Engineering, Campus Teresina Central, the TA-WS software of the device itself was used and the data were treated in the same program, 8 to 14 mg of sample was used for the test. The balance was cleaned, calibrated and the sample was then weighed in the platinum crucible, the heating rate of 10 ºC per minute with nitrogen gas flow from 50 mL.min -1 to 1000 ºC.
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9

Elemental and Compositional Analysis of Hazelnut Shell

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Elemental analysis of hazelnut shell was performed via CHNS-932, Leco, USA branded elemental analyzer. Moisture and ash contents of hazelnut shell (biomass) were determined by Thermal Gravimetric Analysis (TGA-51, Shimadzu, Japan). Hazelnut shell contains cellulose, hemicellulose and lignin and their amount were determined by Van Soest Method (Gozaydin and Yuksel, 2017 (link)).
The concentration of liquid products was determined via High Performance Liquid Chromatography (HPLC) and Gas Chromatography with Mass Spectroscopy (GC–MS, Agilent 6890 N/5973 N Network) were used to identify the liquid products which were unidentified in HPLC analyses. In HPLC analysis, sugar column (Shodex, SH1100) was used to separate products clearly and the temperature of column was 40°C. 3.75 mM H2SO4 was used as eluent and its flow rate was 0.5 ml/min. Refractive index (RID) was used for detection of aldehydes and organic acids. TOC conversions in the liquid products were determined by TOC analyzer (Shimadzu TOC-VCPH).
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10

Morphological and Thermal Analysis of Functionalized Cellulose

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The surface morphologies of cellulose, GMA-grafted cellulose, and
cellulose-based adsorbent containing NMDG functional groups were analyzed
via SEM (FEI QUANTA 250 FEG model) analysis. To observe the changes
that occurred in the bond structures of raw cellulose, grafted cellulose,
and NMDG functionalized cellulose, we recorded IR spectra in the range
of 4000–400 cm–1 with a PerkinElmer UATR-FT-IR
device at 4 cm–1 resolution and 20 scans per sample.
Thermogravimetric analysis (Shimadzu, TGA-51) was used to determine
the thermal stability of samples by heating them at 5 °C/min
through nitrogen gas between 30 and 1000 °C.
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