Elemental analysis was performed on an Elementar Vario EL cube analyzer (Elementar Analysensysteme GmbH, Germany) and the grafting amount of ILs on supports was determined by the contents of the N element. Fourier transform infrared (FT-IR) spectra in the frequency range of 4000–400 cm−1 were measured at room temperature on a Nexus 870 spectrometer (Nicolet Instruments Co., USA). Thermogravimetry/differential scanning calorimetry (TG/DSC) was performed on a Netzsch Model STA 449 F3 simultaneous thermal analyzer (Netzsch, Germany) in an air atmosphere. The shape and surface morphology of the catalysts were examined via scanning electron microscopy (SEM) (Model SU8020, Hitachi, Japan). N2 adsorption–desorption isotherms were recorded using a TristarII 3020 instrument (Micromeritics, USA) and pore size distribution curves were calculated from the analysis of desorption branch of the isotherm by the BJH (Barrett–Joyner–Halenda). Before adsorption, samples were degassed at 473 K for 4 h.
Model su8020
Manufactured by Hitachi
Sourced in Japan
The Hitachi Model SU8020 is a scanning electron microscope (SEM) designed for high-resolution imaging of a wide range of materials. It features a field emission electron gun, advanced electron optics, and a comprehensive suite of analytical capabilities to enable detailed examination of micro- and nano-scale structures.
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Lab products found in correlation
2 protocols using model su8020
1
Characterization of Ionic Liquid-Grafted Catalysts
2
Bacterial Cellulose Production from Riceberry Syrup
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The BC fermentation was performed in a plastic tray (15 × 25 × 6 cm) with 200 ml of working volume. The fermentation medium was comprised of 100 ml of the obtained broken Riceberry syrup (8.0°Brix), 100 ml of coconut water (4.0°Brix), 2.0 g glucose, 1.2 g (NH 4 ) 2 SO 4 , and 0.4 ml glacial acetic acid as modified from the method of Noree et al. [5] using 10% (v/v) of K. xylinus AGR 60 as a starter culture. The fermentation was incubated for 4 days at room temperature. The obtained BC was boiled in the tap water at 100°C for 30 minutes to remove the acetic acid and characterize the structure by SEM (Model SU8020; Hitachi, Tokyo, Japan) as described above. The heavy metals and contaminated pathogens were determined according to the Thailand Standard of Cosmetic Act B.E. 2558 (2015) and Notification of Ministry of Industry Announcement No. 4462 by the Central Laboratory (Thailand) Co., Ltd., using the in-house method based on AOAC (2019) and USP 38/NF 33: 2015.
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