NMR spectra were recorded on a Bruker Ascend 400 (400.13 MHz for 1H and 100.60 MHz for 13C) spectrometer. 1H chemical shifts were referenced to the proton resonance signal resulting from the protic residue in the deuterated solvent. 13C chemical shifts were referenced to the carbon resonance signal resulting from the deuterated solvent. Thermogravimetric analysis was carried out on a TGA Q5000 instrument (TA Instruments) under a nitrogen atmosphere. Elemental analysis was performed at the Organic Chemistry Research Center, Sogang University (Seoul, Korea) using an EA1112 instrument (CE Instruments, Italy). Powder XRD spectra were obtained with a Bruker D8 Focus diffractometer (40 kV, 30 mA, step size = 0.02°). Optical microscopic images were collected on a Nikon Eclipse LV100POL microscope equipped with a DS-Fi1 CCD camera.
Q5000 tga instrument
Manufactured by TA Instruments
Sourced in United States
The Q5000 TGA instrument is a thermogravimetric analyzer that measures the change in weight of a sample as a function of temperature or time in a controlled atmosphere. It provides accurate and reliable data on the thermal stability, composition, and kinetics of materials.
Automatically generated - may contain errors
Lab products found in correlation
Eclipse lv100pol microscope, by Nikon (1 mentions)
Ascend 400, by Bruker (1 mentions)
D8 focus diffractometer, by Bruker (1 mentions)
Ta universal analysis software, by TA Instruments (1 mentions)
Sqp f, by Sartorius (1 mentions)
Ta dsc q2000, by TA Instruments (1 mentions)
Avance 3 400 mhz spectrometer, by Bruker (1 mentions)
Spectrum 100 atr ftir spectrometer, by PerkinElmer (1 mentions)
At261 deltarange, by Mettler Toledo (1 mentions)
Ufe 500, by Memmert (1 mentions)
11 protocols using q5000 tga instrument
1
NMR, Thermal, and Structural Characterization
2
Thermal Analysis of Nanocomposite Films
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The thermogravimetric analysis (TGA, Model: TGA Q5000 instrument, TA instrument, New Castle, DE, USA) of the nanocomposite films were performed at 50 °C to 900 °C with a 20 mL/min liquid nitrogen flow rate, and a 10 °C/min heating rate.
3
Thermal Degradation Analysis of Pyrimethanil Compounds
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Example 9
This example relates to experiments performed to determine the degradation temperatures of pyrimethanil technical compounds and fungicide samples. In the present example, pyrimethanil compounds from China (compound 1) and Europe (compound 2) were analyzed by Thermo Gravity Analysis (TGA). The pyrimethanil samples were run in both air and nitrogen atmospheres on the Q5000 TGA instrument (TA Instruments) equipped in open platinum pans, and using standard TGA test methods as follows: select gas 1 and 2, data storage on, ramp at 10° C. per minute to 300° C., data storage off, and end method. An isothermal method was also performed according to standard methods.
The results of this example for the Chinese (CH; compound 1) pyrimethanil compound in air and nitrogen are shown in
4
Residual Moisture Determination of Electrospun Samples
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A Q5000 TGA instrument (TA Instruments, New Castle, USA) was used to determine the residual moisture content of the samples (n = 3, weighted between 4–6 mg) right after the electrospinning process and before HPLC analysis. Measurements were carried out under nitrogen atmosphere. A 10 °C/min heating speed was used to heat the samples from 25 to 105 °C, which were maintained at 105 °C for 10 min. A 50 mL/min nitrogen flush was applied during the measurement.
5
Thermal Degradation Analysis of Pyrimethanil
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Example 9
This example relates to experiments performed to determine the degradation temperatures of pyrimethanil technical compounds and fungicide samples. In the present example, pyrimethanil compounds from China (compound 1) and Europe (compound 2) were analyzed by Thermo Gravity Analysis (TGA). The pyrimethanil samples were run in both air and nitrogen atmospheres on the Q5000 TGA instrument (TA Instruments) equipped in open platinum pans, and using standard TGA test methods as follows: select gas 1 and 2, data storage on, ramp at 10° C. per minute to 300° C., data storage off, and end method. An isothermal method was also performed according to standard methods.
The results of this example for the Chinese (CH; compound 1) pyrimethanil compound in air and nitrogen are shown in
6
Thermogravimetric Analysis of Microparticles
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A Q5000 TGA instrument (TA Instruments, New Castle, DE, USA) was used for the thermogravimetric analysis. Approximately 10 mg of microparticles were placed in the center of the platinum sample pan. The sample was heated from 25 °C to 500 °C with a rate of 10 °C/min under Ar gas flow (20 mL/min) and the weight loss was continuously determined. The obtained results were analyzed by TA universal analysis software (version 4.5A, TA instruments).
7
Residual Water Content Determination
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A Q5000 TGA instrument (TA Instruments, New Castle, USA) was used to determine the residual water content of the samples (n = 3). Measurements were carried out under nitrogen atmosphere. A 10°C/min heating speed was used to heat up the samples from 25 to 105°C, which were kept at 105°C for 10 min. A 50 mL/min nitrogen flush was applied during the measurement.
8
Thermal Degradation Analysis of Pyrimethanil Compounds
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Example 9
This example relates to experiments performed to determine the degradation temperatures of pyrimethanil technical compounds and fungicide samples. In the present example, pyrimethanil compounds from China (compound 1) and Europe (compound 2) were analyzed by Thermo Gravity Analysis (TGA). The pyrimethanil samples were run in both air and nitrogen atmospheres on the Q5000 TGA instrument (TA Instruments) equipped in open platinum pans, and using standard TGA test methods as follows: select gas 1 and 2, data storage on, ramp at 10° C. per minute to 300° C., data storage off, and end method. An isothermal method was also performed according to standard methods.
The results of this example for the Chinese (CH; compound 1) pyrimethanil compound in air and nitrogen are shown in
9
Thermogravimetric and Solvent Evaporation Analysis
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Thermogravimetric analysis of the samples
was performed by a Q5000 TGA instrument (TA Instruments). The ES fibers
and spray-dried (SD) powder (ca. 10 mg) were heated from 25 to 250
°C at 10 °C/min using a 25 mL/min nitrogen flush.
Solvent evaporation was investigated by a simple mass loss analysis,
where the mass of the products was measured over time under atmospheric
circumstances (no inert gas was applied). The samples were placed
on an analytical balance (Sartorius AC 210 and SQP-F, Göttingen,
Germany) at 25 °C for 90 min immediately after preparation. A
computer using data processing software (written by the authors) recorded
the measured weights.
was performed by a Q5000 TGA instrument (TA Instruments). The ES fibers
and spray-dried (SD) powder (ca. 10 mg) were heated from 25 to 250
°C at 10 °C/min using a 25 mL/min nitrogen flush.
Solvent evaporation was investigated by a simple mass loss analysis,
where the mass of the products was measured over time under atmospheric
circumstances (no inert gas was applied). The samples were placed
on an analytical balance (Sartorius AC 210 and SQP-F, Göttingen,
Germany) at 25 °C for 90 min immediately after preparation. A
computer using data processing software (written by the authors) recorded
the measured weights.
10
Physicochemical Characterization of [P4444][Ph-tet]
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Microanalyses and electrospray MS were performed by ASEP, Queen's University Belfast.. 1 H, 13 C and 31 P NMR spectroscopy in DMSO-d 6 using a Bruker Avance III 400 MHz spectrometer. FT-IR spectra were performed using a PerkinElmer Spectrum 100 ATR FT-IR spectrometer. The melting point for the pure [P 4444 ][Ph-tet] was determined by differential scanning calorimetry (TA DSC Q2000 with a refrigerated cooling system, 5-20 mg samples, 1 °C min -1 heating and cooling rates under dinitrogen, scanning between -100 and +100 °C or between -15 and 25 °C). The decomposition temperature of [P 4444 ][Ph-tet] was measured in the dynamic heating regime using a TA Instruments Q5000 TGA instrument under nitrogen atmosphere. Samples were heated from room temperature to 500 °C under constant heating rate of 10 °C min -1 .
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