The transmittance and absorption of the SWCNTs dispersion were systematically determined with a quartz cell using an UV2600 ultraviolet spectrophotometer (Shimadzu Instruments).The zeta potential of the SWCNTs dispersion was investigated by a 90Plus PALS Zeta Potential (Brookhaven Instruments). Thermogravimetry analysis of commercial SWCNTs and modified SWCNTs was performed under nitrogen on a 209F1 thermogravimetric analyzer (Netzsch Instruments) with a temperature range of 25–600 °C at a heating rate of 10 °C min−1. Morphology of the diluted SWCNTs dispersion was characterized by transmittance electron microscopy (TEM, FEI F20). For TEM, the diluted dispersion (in water) was placed onto a carbon-coated copper grid.
209f1 thermogravimetric analyzer
Manufactured by Netzsch
Sourced in Germany
The 209F1 is a thermogravimetric analyzer (TGA) manufactured by Netzsch. It is designed to measure the change in weight of a sample as a function of temperature or time in a controlled atmosphere. The instrument provides precise and accurate data on thermal stability, decomposition, and other thermal events of materials.
Automatically generated - may contain errors
Lab products found in correlation
90plus pals zeta potential, by Brookhaven Instruments (1 mentions)
Uv 2600 ultraviolet spectrophotometer, by Shimadzu (1 mentions)
Ftir spectrometer, by Thermo Fisher Scientific (1 mentions)
Quanta 250 scanning electron microscope, by Thermo Fisher Scientific (1 mentions)
X pert pro diffractometer, by Malvern Panalytical (1 mentions)
Uv 2101pc spectrophotometer, by Shimadzu (1 mentions)
Ultra 55, by Zeiss (1 mentions)
3 protocols using 209f1 thermogravimetric analyzer
1
Characterization of SWCNT Dispersion
2
Comprehensive Characterization of Adsorbents
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Fourier transformed infrared (FTIR) spectra were recorded in solid state (KBr pellet method) for adsorbents and in liquid state for HDI by using an FTIR spectrometer (Thermo Fisher Scientific, USA), and the scanning range was 4000–400 cm−1. Powder X-ray diffraction (PXRD) patterns were obtained by X'Pert PRO diffractometer (PANalytical, Netherlands) with Cu Kα1 radiation in the scan range of 4°–40°, and the solid-state 13C NMR spectra were recorded in the solid state using a 600 MHz spectrometer (Bruker Avance, Germany) at 25 °C. Images were collected by a QUANTA 250 scanning electron microscope (FEI, USA) after the surface was coated with gold. The specific surface area of the adsorbents was calculated with the Brunauer–Emmett–Teller (BET) equation using a TriStar 3000 Surface Area and Pore Size Analyzer (HOSIC, UK). A 209F1 thermogravimetric analyzer (NETZSCH, Germany) with heating at 10 °C min−1 from 30 °C to 600 °C was used to perform thermogravimetric analysis (TGA) under a nitrogen atmosphere. The zeta potential of the polymers in water suspension was analyzed using a dynamic light scattering (DLS)-based Zeta PALS + BI-90Plus instrument (Brookhaven Instrument Co., USA) at 20 °C ± 1 °C.
3
Characterization of Complex Materials
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X-ray diffraction (XRD) analysis was performed using a Blagg MSAL-XD2
(Beijing, China) instrument with a Cu Kα radiation source (45
kV, 20 mA, and λ = 0.15406 nm). A 2θ range of 10–80°
was recorded in 0.02° steps at a rate of 2°/min. A Bruker
(Germany) Vertex 70 Fourier transform infrared (FT-IR) spectrometer
was used to perform the infrared analyses using the KBr pellet method.
The spectra comprised 64 scans at a resolution of 1 cm–1 in the 4000–400 cm–1 spectral range. Thermogravimetric
(TG) analyses were carried out using a Netzsch (Germany) 209 F1 thermogravimetric
analyzer. About 5 mg of samples in sealed aluminum pans were analyzed
under a nitrogen flow of 50 mL/min. Thermogravimetry analysis (TGA)
curves and derivative thermogravimetry curves were recorded from room
temperature to 600 °C at a rate of 10 °C/min. Scanning electron
microscopy (SEM, ZEISS ULTRA 55) and transmission electron microscopy
(TEM, JEM-2010 HR) were used to record the morphology, respectively,
with accelerating voltages of 20 and 80 kV to study the morphology
of the complex. Changes in the UV–visible spectra were monitored
with a Shimadzu UV-2101PC spectrophotometer equipped with an integrating
sphere.
(Beijing, China) instrument with a Cu Kα radiation source (45
kV, 20 mA, and λ = 0.15406 nm). A 2θ range of 10–80°
was recorded in 0.02° steps at a rate of 2°/min. A Bruker
(Germany) Vertex 70 Fourier transform infrared (FT-IR) spectrometer
was used to perform the infrared analyses using the KBr pellet method.
The spectra comprised 64 scans at a resolution of 1 cm–1 in the 4000–400 cm–1 spectral range. Thermogravimetric
(TG) analyses were carried out using a Netzsch (Germany) 209 F1 thermogravimetric
analyzer. About 5 mg of samples in sealed aluminum pans were analyzed
under a nitrogen flow of 50 mL/min. Thermogravimetry analysis (TGA)
curves and derivative thermogravimetry curves were recorded from room
temperature to 600 °C at a rate of 10 °C/min. Scanning electron
microscopy (SEM, ZEISS ULTRA 55) and transmission electron microscopy
(TEM, JEM-2010 HR) were used to record the morphology, respectively,
with accelerating voltages of 20 and 80 kV to study the morphology
of the complex. Changes in the UV–visible spectra were monitored
with a Shimadzu UV-2101PC spectrophotometer equipped with an integrating
sphere.
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