Atomic force microscopy (AFM) images were obtained using tapping mode by a Dimension Icon atomic force microscopy (Bruker, Billerica, MA, USA). Fourier transform infrared (FTIR) spectra were recorded on a Nexus spectrophotometer (Nicolet, Madison, WI, USA) at 4 cm−1 resolution with 32 scans. Zeta potential analyses were performed using a Zetasizer Nano ZS instrument (Malvern, UK). Thermogravimetric analysis (TGA) was conducted on TGA/SDTA851e system (Mettler Toledo, Switzerland) at a heating rate of 5 °C per minute under a nitrogen atmosphere.
Tga sdta851e system
Manufactured by Mettler Toledo
Sourced in Switzerland, United States
The TGA/SDTA851e system is a thermogravimetric analysis (TGA) and simultaneous differential thermal analysis (SDTA) instrument. It is designed to measure changes in the weight of a sample as a function of temperature or time in a controlled atmosphere. The instrument can be used to characterize the thermal stability, composition, and decomposition behavior of various materials.
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Lab products found in correlation
4 protocols using tga sdta851e system
1
Multimodal Characterization of Nanomaterials
2
Thermal Transition of PHB Extraction
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DSC was applied to study the thermal transition properties of the PHB extracted by the standard chlorinated solvent compared to the DMC-based extraction (DSC 204 F1 Phoenix® Netzsch). The analysis was led on both wet and dry biomass extracted for 90 min which is the mixing time reporting the highest PHB yield. The decomposition temperatures of the extracted polymer were determined by TGA, at 10 °C/min (Mettler Toledo TGA/SDTA 851e system). The studies were performed under an Argon flux of 50 mL min−1, scanning a temperature range going from 25 to 500 °C.
3
Characterization of LDH Materials
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All samples were
characterized by PXRD using a Bruker D8 ADVANCE powder diffractometer
(source Cu Kα radiation, Ni filter, λ = 1.5418 Å)
operating in reflection geometry. The PXRD patterns of the LDHs were
indexed by using APPLEMAN program, part of the code PROSZKI suite
of programs. The PXRD patterns of the oxide residues were indexed
by “finger printing” by comparing the observed 2θ
values with those reported in the powder diffraction files. TGAs were
carried out using a Mettler Toledo TGA/SDTA 851e system
(25–900 °C, heating rate 5 °C min–1) driven by STARe 7.01 software. The analyses were carried
out in flowing N2 (control) and flowing CO2 (test)
to measure the mass gain if any, as a result of CO2 uptake.
In separate experiments, the LDHs were heated in the TGA balance at
different temperatures determined by the appearance of plateaus in
the TGA profile. The phases obtained were analyzed by PXRD. TGA measurements
were also carried out on CaO and Ca(OH)2 used as controls.
IR spectra were recorded by using a Bruker model Alpha-P IR spectrometer
(Diamond ATR cell, 400–4000 cm–1, 4 cm–1 resolution).
characterized by PXRD using a Bruker D8 ADVANCE powder diffractometer
(source Cu Kα radiation, Ni filter, λ = 1.5418 Å)
operating in reflection geometry. The PXRD patterns of the LDHs were
indexed by using APPLEMAN program, part of the code PROSZKI suite
of programs. The PXRD patterns of the oxide residues were indexed
by “finger printing” by comparing the observed 2θ
values with those reported in the powder diffraction files. TGAs were
carried out using a Mettler Toledo TGA/SDTA 851e system
(25–900 °C, heating rate 5 °C min–1) driven by STARe 7.01 software. The analyses were carried
out in flowing N2 (control) and flowing CO2 (test)
to measure the mass gain if any, as a result of CO2 uptake.
In separate experiments, the LDHs were heated in the TGA balance at
different temperatures determined by the appearance of plateaus in
the TGA profile. The phases obtained were analyzed by PXRD. TGA measurements
were also carried out on CaO and Ca(OH)2 used as controls.
IR spectra were recorded by using a Bruker model Alpha-P IR spectrometer
(Diamond ATR cell, 400–4000 cm–1, 4 cm–1 resolution).
4
Thermogravimetric Analysis of Nanoemulsions
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The thermogravimetric analysis of the nanoemulsions was carried out using a TGA/SDTA851e system (Mettler Toledo, Columbus, OH, USA) with a 10 °C/min heating rate under nitrogen atmosphere (50 mL/min). The measurement was made from room temperature up to 800 °C.
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