Powder X-ray diffraction (XRD) measurements were performed on a Shimadzu XRD-6000 X-ray diffractometer with a wavelength of 0.154 nm at 40 kV and 30 mA in a 2θ range of 3–70° at 10°·min−1. Fourier-transform infrared (FTIR) spectra were recorded on a Bruker Vector 22 infrared spectrophotometer with KBr pellets (sample/KBr of 1:100 by weight) or thin films. Thermogravimetry and differential thermal analysis (TG-DTA) was performed on a PCT-IA instrument in the range of 25 to 700 °C at 5 °C·min−1 under flowing air. Scanning electron microscopy (SEM) images were taken with a Zeiss scanning electron microscope by dropping dilute ethanol suspension at room temperature. Elemental analysis for metal elements (Ca and Al) was carried out on a Shimadzu ICPS-7500 inductively coupled plasma (ICP) atomic emission spectrometer. About 30 mg of the samples was dissolved in a few drops of concentrated nitric acid (65%) and diluted to 10 mL using water. CHN elemental analysis was carried out on a Vario EL III, Elementar instrument. The content of water in the samples was obtained by thermogravimetry. The UV–vis spectra in the range of 200 to 800 nm were collected by using a Shimadzu UV-2501PC spectrophotometer.
El 3
Manufactured by Elementar
Sourced in Germany
The EL III is a compact and robust elemental analyzer designed for the determination of carbon, hydrogen, nitrogen, and sulfur content in a wide range of solid and liquid samples. It features automated sample handling and combustion, providing accurate and precise results with high throughput. The EL III is a versatile instrument suitable for various applications in fields such as chemistry, materials science, and environmental analysis.
Automatically generated - may contain errors
Lab products found in correlation
Scanning electron microscope, by Zeiss (1 mentions)
Icps 7500, by Shimadzu (1 mentions)
Vector 22, by Bruker (1 mentions)
Uv 2501pc spectrophotometer, by Shimadzu (1 mentions)
Axs d8 diffractometer, by Bruker (1 mentions)
Icap 6300, by Thermo Fisher Scientific (1 mentions)
Tristar 3000 analyzer, by Micromeritics (1 mentions)
Nicolet is10 ftir, by Thermo Fisher Scientific (1 mentions)
X ray diffractometer, by Rigaku (1 mentions)
Electrochemical workstation, by Metrohm (1 mentions)
4 protocols using el 3
1
Comprehensive Characterization of Solid Materials
2
Comprehensive Material Characterization Techniques
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X-ray diffraction (XRD) patterns were obtained using the Bruker AXS D8 diffractometer at the scanning speed of 15° min−1. Raman spectroscopy was conducted using Thermo DXR with a 532 nm laser excitation. X-ray photoelectron spectroscopy (XPS) results were obtained using the PHI-5500 spectrometer with Al Kα X-ray radiation as the X-ray excitation source. Transmission electron microscopy (TEM) was conducted using JEM-2100F, and scanning electron microscopy (SEM) was performed using JSM-5610LV. Inductively coupled plasma atomic emission spectroscopy (ICP-AES) measurements were conducted using the Thermo Scientific iCAP 6300 instrument. Infrared spectra results were obtained using the NEXUS 670 Fourier transform infrared (FTIR) spectrometer. The N2 adsorption–desorption isotherms were acquired using the Micromeritics Tristar 3000 analyzer. The specific surface areas and pore size distributions of the catalysts were calculated by the Brunauer–Emmett–Teller (BET) and Barrett–Joyner–Halenda (BJH) methods, respectively. Elemental compositions were obtained via the CHN elemental analysis (Elementar Vario EL III).
3
Analyzing Algal Carbon and Nitrogen
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Germlings of five sibling groups (1, 3, 7, 12 and 14) of the two treatment combinations OAW- N- and OAW- N+ were pooled for CN analysis. For the analysis of carbon and nitrogen content, freeze-dried algal material was ground to powder and three subsamples of 2 mg from each treatment was packed and loaded into tin cartridges (6×6×12 mm). Then, the packages were combusted at 950°C and the absolute C and N contents in % dry weight (% DW) were automatically quantified in an elemental analyser (Elementar Vario EL III, Germany) using acetanilide as standard according to Verardo et al. [62 (link)].
4
Synthesis and Characterization of H3L Ligand
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The ligand 5-(5-carboxy-pyridin-3-yloxy)-isophthalic
acid (H3L) was purchased from Jinan Henghua Technology
Co. Ltd. All other reagents were purchased commercially and used as
received without further purification. Elemental analysis was performed
by an Elementar Vario ELIII instrument. The powder X-ray diffraction
(PXRD) was obtained from a Rigaku X-ray diffractometer (Cu Kα,
λ = 1.5418 Å). Infrared spectrum (IR) was measured in the
range ν = 400–4000 cm–1 using KBr pellets
by Thermo Scientific FTIR-Nicolet iS10. Thermogravimetric analysis
(TGA) was conducted on a Metler-Toledo synchronous differential thermal
analyzer under N2 atmosphere and the test range from 25
to 800 °C at the heating rate of 10 °C min–1. Magnetic susceptibility χM was investigated between
2 and 300 K under 1000 Oe magnetic field using a SQUID magnetometer
(Quantum MPMS). The alternating current (AC) impedance spectra were
measured on a Metrohm Autolab Electrochemical workstation using a
quasi-four-probe method (frequencies: 1 Hz to 1 MHz; ac voltage amplitude:
0.01 V).
acid (H3L) was purchased from Jinan Henghua Technology
Co. Ltd. All other reagents were purchased commercially and used as
received without further purification. Elemental analysis was performed
by an Elementar Vario ELIII instrument. The powder X-ray diffraction
(PXRD) was obtained from a Rigaku X-ray diffractometer (Cu Kα,
λ = 1.5418 Å). Infrared spectrum (IR) was measured in the
range ν = 400–4000 cm–1 using KBr pellets
by Thermo Scientific FTIR-Nicolet iS10. Thermogravimetric analysis
(TGA) was conducted on a Metler-Toledo synchronous differential thermal
analyzer under N2 atmosphere and the test range from 25
to 800 °C at the heating rate of 10 °C min–1. Magnetic susceptibility χM was investigated between
2 and 300 K under 1000 Oe magnetic field using a SQUID magnetometer
(Quantum MPMS). The alternating current (AC) impedance spectra were
measured on a Metrohm Autolab Electrochemical workstation using a
quasi-four-probe method (frequencies: 1 Hz to 1 MHz; ac voltage amplitude:
0.01 V).
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