Thermal stability of the SMP nanocomposites was determined using thermogravimetric analysis (TGA). 15-20 mg samples (n=3) were prepared from the cleaned foams. An alumina pan was used to hold all samples and tared before each run. The samples were heated from 25°C to 600°C at 10°C·min−1 under nitrogen flow of 50 mL·min−1 using a TGA Q 50. At 600°C, the gas was switched to air flow at 50 mL·min−1, and the samples were heated to 800°C. The thermograms were evaluated using TA Universal Analysis software, and percent mass loss (%) versus temperature (°C) curves were graphed for each nanocomposite.
Ta universal analysis software
Manufactured by TA Instruments
Sourced in United States, United Kingdom
TA Universal Analysis software is a powerful tool for analysis and data handling of thermal analysis data. It provides a comprehensive suite of features for processing, displaying, and reporting results from various thermal analysis techniques, including Differential Scanning Calorimetry (DSC), Thermogravimetric Analysis (TGA), and Dynamic Mechanical Analysis (DMA). The software offers a user-friendly interface and advanced analytical capabilities to assist researchers and scientists in their thermal analysis studies.
Automatically generated - may contain errors
Lab products found in correlation
Q2000, by TA Instruments (11 mentions)
Dsc q2000, by TA Instruments (6 mentions)
Tga q500, by TA Instruments (3 mentions)
Aluminum pans, by Hitachi (3 mentions)
Q2000 differential scanning calorimeter, by TA Instruments (2 mentions)
Q20 differential scanning calorimeter, by TA Instruments (2 mentions)
Tga q5000 system, by TA Instruments (2 mentions)
Dsc q100, by TA Instruments (2 mentions)
Hermetic dsc pan, by TA Instruments (2 mentions)
Hermetic dsc lid, by TA Instruments (2 mentions)
Sdt 2960 simultaneous tga dta, by TA Instruments (2 mentions)
Dma q800, by TA Instruments (2 mentions)
Q200 differential scanning calorimeter, by TA Instruments (2 mentions)
Rotavapor r 300, by Büchi (1 mentions)
Dsc q 20 series, by TA Instruments (1 mentions)
214 polyma, by Netzsch (1 mentions)
Sdt q600, by TA Instruments (1 mentions)
Model q2000, by TA Instruments (1 mentions)
Dsc 1000, by TA Instruments (1 mentions)
Tga q50, by TA Instruments (1 mentions)
82 protocols using ta universal analysis software
1
Thermal Stability of SMP Nanocomposites
2
Differential Scanning Calorimetry Analysis of Electrospun Fibers
3
Thermal Properties Analysis of Samples
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The thermal properties of the samples were measured using a PerkinElmer TG-IR-GCMS Interface Q500, TA Instruments (PerkinElmer Inc., OH, USA). The result was plotted and analyzed with TA universal analysis software (TA instruments, Lukens Drive New Castle, PA, USA). Sample quantities between 20 mg and 21 mg were heated at a rate of 10 °C/min from room temperature to 600 °C under air.
4
Determination of Apple Glass Transition Temperature
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TA Instruments Q2000 Differential Scanning Calorimetry (DSC) was used to measure the glass transition temperature of the apple samples. Dried samples were powdered and around 10–12 mg powders were placed in Tzero hermetically sealed aluminum pans (TA Instruments, T180628, Switzerland). The hermetically sealed aluminum pans were placed in a DSC chamber and cooled to −50 °C at 10 °C/min. The samples were equilibrated at −50 °C for 1 min and scanned from −50 to 80 °C at a rate of 10 °C/min to determine the thermal behavior of the dried apples. An empty hermetically sealed aluminum pan was used as reference (air). Nitrogen gas (50 mL/min) was used as purge gas. The obtained data were analyzed by using TA Universal Analysis software (TA Instruments, New Castle, DE, USA) to determine the glass transition temperatures (onset, midpoint and offset) and changes in specific heat capacity at Tg (ΔCp). The glass transition temperature (Tg) was reported as the middle temperature in heat flow versus temperature the curves [24] .
5
Measuring Amorphous Lopinavir Wet Tg
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The wet Tg (the Tg of amorphous drug precipitates
saturated with water) of lopinavir was measured using differential
scanning calorimetry (DSC Q-20 series, TA Instruments, New Castle,
DE). The amorphous drug was prepared by solvent evaporation. Briefly,
a total of 200 mg of the drug was weighed and dissolved in an excess
of 1:1 methanol/dichloromethane solvent in a 40 mL scintillation vial.
Amorphous solids were prepared directly from the scintillation vial
using a rotary evaporator (BUCHI Rotavapor R-300, Essen, Germany)
at 55 °C under reduced pressure. All samples were freshly prepared
and kept in a vacuum oven at room temperature overnight to further
remove residual solvents prior to DSC measurements. For measuring
wet Tg, 5–10 mg of the dry amorphous
lopinavir powder was weighed in open hermetic pans and equilibrated
at 97% relative humidity (potassium sulfate saturated solution) for
48 h. Samples were then sealed with hermetic lids and analyzed using
DSC. A heating ramp from 0 to 90 °C with a heating rate of 10
°C/min was used. The TA universal analysis software (TA Instruments,
New Castle, DE) was used for data analysis. The onset glass transition
temperature was recorded as wet Tg. Experiments
were conducted in triplicate.
saturated with water) of lopinavir was measured using differential
scanning calorimetry (DSC Q-20 series, TA Instruments, New Castle,
DE). The amorphous drug was prepared by solvent evaporation. Briefly,
a total of 200 mg of the drug was weighed and dissolved in an excess
of 1:1 methanol/dichloromethane solvent in a 40 mL scintillation vial.
Amorphous solids were prepared directly from the scintillation vial
using a rotary evaporator (BUCHI Rotavapor R-300, Essen, Germany)
at 55 °C under reduced pressure. All samples were freshly prepared
and kept in a vacuum oven at room temperature overnight to further
remove residual solvents prior to DSC measurements. For measuring
wet Tg, 5–10 mg of the dry amorphous
lopinavir powder was weighed in open hermetic pans and equilibrated
at 97% relative humidity (potassium sulfate saturated solution) for
48 h. Samples were then sealed with hermetic lids and analyzed using
DSC. A heating ramp from 0 to 90 °C with a heating rate of 10
°C/min was used. The TA universal analysis software (TA Instruments,
New Castle, DE) was used for data analysis. The onset glass transition
temperature was recorded as wet Tg. Experiments
were conducted in triplicate.
6
Thermal Stability Analysis of Materials
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The thermal stability of the bulk materials and the extruded filaments were analysed using a Thermal gravimetric analysis instrument (TGA Q5000 Thermal instruments). Approximately 2–2.5 mg of the samples were weighed and placed into an aluminium pan. The samples were heated from 25 °C to 400 °C at a rate of 10 °C/min. The extracted data were analysed using the TA Universal Analysis software.
7
Thermal Characterization of Materials
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DSC: DSC characterisation was conducted using a Netzsch 214 Polyma. Approximately 10 mg of sample was placed in aluminium crucibles with a pierced concave lid. Heating and cooling steps were conducted under argon at a rate of 10 °C/min. Features in the DSC traces were processed by smoothing and analysed using the Netzsch analysis software, with glass transition temperatures (Tg) calculated using the midpoint.
TGA: TGA curves were recorded using a TA instruments Q-600 series DSC. Approximately 10 mg powdered sample was placed in open alumina crucibles and heated at 10 °C/min under argon. The TGA data was analysed using the TA Universal Analysis software.
TGA: TGA curves were recorded using a TA instruments Q-600 series DSC. Approximately 10 mg powdered sample was placed in open alumina crucibles and heated at 10 °C/min under argon. The TGA data was analysed using the TA Universal Analysis software.
8
Thermal Analysis of Coal and Biomass
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Samples were
ground and sieved to obtain average particle sizes of 75 and <100
μm for the coal and biomass, respectively. Approximately 15
mg of samples was placed in alumina crucibles of the TGA (SDT Q600,
TA Instruments Co.) and heated from room temperature to 1173 K using
heating rates of 10, 20, and 40 K min–1 under N2 flowing at 100 mL min–1. TG and derivative
thermogravimetry (DTG) data were acquired using the TA universal analysis
software.
ground and sieved to obtain average particle sizes of 75 and <100
μm for the coal and biomass, respectively. Approximately 15
mg of samples was placed in alumina crucibles of the TGA (SDT Q600,
TA Instruments Co.) and heated from room temperature to 1173 K using
heating rates of 10, 20, and 40 K min–1 under N2 flowing at 100 mL min–1. TG and derivative
thermogravimetry (DTG) data were acquired using the TA universal analysis
software.
9
Thermal Analysis of DEET-based Fibers
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All DSC trials were performed on a TA Instruments (New Castle, DE, USA) Model Q2000 using nitrogen as purge gas at a flow rate of 50 mL min−1. The samples with a mass of about 10 mg, used for the determination of solubility, were transferred to 50-μL aluminum pans and sealed while at 130 °C. The high-DEET-content samples were transferred via a syringe while the low-DEET content samples were transferred via a spatula. The samples were held isothermally at 130 °C for 5 min, before cooling to −20 °C at a rate of 2 K·min−1.
For the characterization of the spun monofilaments, samples with a mass of between 1.5 and 3 mg were cut with scissors and sealed in the pans. The samples were held isothermally at −30 °C for 5 min, before they were heated to 230 °C at a rate of 5 K·min−1. The results were analyzed with the TA Universal Analysis software. All reported values represent the average of two measurements.
For the characterization of the spun monofilaments, samples with a mass of between 1.5 and 3 mg were cut with scissors and sealed in the pans. The samples were held isothermally at −30 °C for 5 min, before they were heated to 230 °C at a rate of 5 K·min−1. The results were analyzed with the TA Universal Analysis software. All reported values represent the average of two measurements.
10
Thermogravimetric Analysis of Materials
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All TGA trials were performed on a TA Instruments (New Castle, DE, USA) Model Q5000. All samples were kept isothermally in 50-μL alumina pans at 22 °C for 10 min, before heating at 10 K·min−1 to 500 °C. The heating chamber was purged with nitrogen at a rate of 25 mL min −1. The results were analyzed with the TA Universal Analysis software.
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