An immersed UV lamp (10 W 254 nm) was used in the experiment. The intensity of light irradiation was 202 μW cm−2, which was measured with a radiometer (Vilber-Lourmat) at 254 nm. The reaction temperature kept 25 ± 1 °C. The effects of initial phenol concentration, reaction time and dosage of H2O2 on the removal of TOC and phenol degradation were examined. Phenol and its degradation products were determined using a 15C HPLC with an SPD-15C UV-vis detector and an Inertsil/WondaSil C-18 reverse-phase chromatographic column (Shimadzu, Japan). The mobile phase was a mixture of water and acetonitrile (60 : 40, v/v) at 1 mL min−1. The detection wavelength was 210 nm. TOC was measured using a Shimadzu TOC analyzer. FT-IR spectrum was recorded using an IR Prestige-21 FT/IR spectrometer (Shimadzu, Japan) over the 400–4000 cm−1 wavenumber range. The UV spectrum was determined using a TU-1810 PC UV-vis spectrophotometer. The X-ray powder diffraction (XRD) was obtained using a Bruker D8 ADVANCE X-ray diffractometer at 40 kV and 40 mA in the range of 2θ = 3–40° at a rate of 0.02° s−1. The thermal stability of the sample was performed using thermogravimetry (TG) methods from room temperature to 800 °C, which was conducted by a TGA Q50 in a nitrogen stream, with a scanning rate of 10 °C min−1. All reagents were analysis grade.
Prestige 21 ftir spectrometer
Manufactured by Shimadzu
Sourced in Japan
The Prestige-21 FTIR spectrometer is a high-performance Fourier Transform Infrared (FTIR) spectrometer designed for advanced analytical applications. It features a compact and robust design, providing reliable and accurate spectroscopic measurements. The Prestige-21 FTIR spectrometer is capable of detecting and analyzing a wide range of organic and inorganic compounds through their unique infrared absorption spectra.
Automatically generated - may contain errors
Lab products found in correlation
Toc analyzer, by Shimadzu (1 mentions)
D8 advance x ray diffractometer, by Bruker (1 mentions)
Avance spectrometer, by Bruker (1 mentions)
Microtof q 2 spectrometer, by Bruker (1 mentions)
Aim 8800 infrared microscope, by Shimadzu (1 mentions)
Ultraflex 2 tof tof mass spectrometer, by Bruker (1 mentions)
5 protocols using prestige 21 ftir spectrometer
1
Photocatalytic Degradation of Phenol
2
Chemical Analysis of CaAl-SiO3-LDHs
Check if the same lab product or an alternative is used in the 5 most similar protocols
+ Expand
To determine the chemical composition of CaAl–SiO3–LDHs prepared under different conditions, the samples dried in the oven at 80 °C were mixed and ground with potassium bromide in a ratio of 1:100. The synthesised CaAl–SiO3–LDHs samples were analysed using the Prestige-21 FT-IR spectrometer produced by Shimadzu Corporation of Japan, with a scanning range of 400–4000 cm−1.
3
Structural Characterization of Compounds
Check if the same lab product or an alternative is used in the 5 most similar protocols
+ Expand
1H-NMR spectra were recorded in a Bruker Avance spectrometer (Bruker Analytik GmbH, Karlsruhe, Germany) at 300 MHz, in CDCl3 with tetramethylsilane (TMS) as internal standard (0 ppm). 13C-NMR spectra were recorded on the same apparatus at 75 MHz with CDCl3 as solvent and reference (76.9 ppm). Chemical shifts (δ) are reported in ppm upfield from TMS and coupling constants (J) are expressed in Hertz. The following abbreviations are used to indicate the multiplicities: s = singlet, d = doublet, t = triplet, q = quartet, m = multiplet, bs = broad singlet.
IR spectra were obtained using a Shimadzu, Prestige–21 FT-IR spectrometer (Shimadzu, Kioto, Japan), wavelengths are informed in cm−1, and only partial spectral data are listed.
High resolution mass spectra (HRMS) were recorded on a Bruker micrOTOF-Q II spectrometer obtained on a Q-TOF mass spectrometer and detection of the ions was performed in electrospray ionization, positive ion mode.
IR spectra were obtained using a Shimadzu, Prestige–21 FT-IR spectrometer (Shimadzu, Kioto, Japan), wavelengths are informed in cm−1, and only partial spectral data are listed.
High resolution mass spectra (HRMS) were recorded on a Bruker micrOTOF-Q II spectrometer obtained on a Q-TOF mass spectrometer and detection of the ions was performed in electrospray ionization, positive ion mode.
4
ATR-FTIR Analysis of Material Composition
Check if the same lab product or an alternative is used in the 5 most similar protocols
+ Expand
The chemical composition of the different materials was analyzed by attenuated total reflectance Fourier transform infrared (ATR/FTIR) spectroscopy (Shimazu, Tokyo, Japan). The spectra were obtained with the Prestige-21 FTIR spectrometer equipped with an AIM-8800 infrared microscope (Shimadzu, Tokyo, Japan), using the incorporated 3mm diameter Ge attenuated total reflectance (ATR) semicircular prism. Furthermore, the spectra were recorded with an incident angle of 30° with a resolution of 4 cm−1 (64 scan) and were in the range of 650–4000 cm−1. The Prestige software (IRsolution, version 1.10, Shimadzu, Tokyo, Japan) was used to further analyze the spectra.
5
Spectroscopic Characterization of Compounds
Check if the same lab product or an alternative is used in the 5 most similar protocols
+ Expand
Purification of the compounds was performed by column chromatography on silica gel 60 (ART. 7734 Merck, St. Louis, MO, USA) using a hexane: ethyl acetate (Hex:EtOAc) solvent gradient and confirmed by analytical thin-layer chromatography on silica gel 60 F254, using ultraviolet light at two wavelengths (254 and 366 nm) from a Mineralight apparatus (UVP, Upland, CA, USA) or H2SO4 in 5% ethanol for detection. FTIR spectra were recorded in a Prestige-21 FTIR spectrometer (Shimadzu, Kyoto, Japan) using KBr pellets. 1H- and 13C-nuclear magnetic resonance (NMR) spectra were obtained on a MERCURY machine (200 and 50 MHz for 1H and 13C, respectively). Varian (Palo Alto, CA, USA) in deuterated solvents (CDCl3, MeOD or DMSO-d6) and tetramethylsilane (TMS) was used for the internal standard. Chemical shifts were measured in parts per million (ppm) and coupling constants (J) in Hz. Measurements of atomic mass for the compounds was carried out using an Ultraflex II TOF/TOF mass spectrometer (Bruker Daltonik GmbH, Bremen, Germany) equipped with a high-performance solid-state laser (λ = 355 nm) and reflector. The system was operated by the Bruker Daltonik FlexControl 2.4 software package (Bruker, Bremen, Germany). All spectroscopic data are available [35 (link)].
About PubCompare
Our mission is to provide scientists with the largest repository of trustworthy protocols and intelligent analytical tools, thereby offering them extensive information to design robust protocols aimed at minimizing the risk of failures.
We believe that the most crucial aspect is to grant scientists access to a wide range of reliable sources and new useful tools that surpass human capabilities.
However, we trust in allowing scientists to determine how to construct their own protocols based on this information, as they are the experts in their field.
Ready to get started?
Sign up for free.
Registration takes 20 seconds.
Available from any computer
No download required
Revolutionizing how scientists
search and build protocols!