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Mat ch 7

Manufactured by Agilent Technologies
Sourced in Germany

The Mat CH-7 is a laboratory equipment designed for conducting chromatographic analysis. It provides essential functions for sample separation and identification. The detailed specifications and intended uses are not available at this time.

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4 protocols using mat ch 7

1

Characterization of Novel Catalytic Material

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All the materials and reagents were bought from Merck and Sigma-Aldrich companies without any further purification. NMR spectra were obtained with a Bruker AC instrument at 300 MHz in DMSO‐d6. Mass spectra were obtained with a Varian Mat CH‐7 at 70 eV. FT‐IR spectra were recorded with a Nicolet Avatar 370 FT‐IR spectrometer. TGA was performed with a Shimadzu thermogravimetric analyzer (TG‐ 50) under air atmosphere at a heating rate of 10 °C min−1. The crystal structure of the catalyst was analyzed using XRD with a Bruker D8 ADVANCE diffractometer using a Cu target (λ = 1.54 Å). TEM was performed with a Leo 912AB (120 kV) microscope (Zeiss, Germany). ICP analysis was carried out with a Varian VISTA‐ PRO, CCD (Australia). Elemental compositions were determined with EDX analysis (model 7353, Oxford Instruments, UK), with 133 eV resolute ion. The magnetic property of the catalyst was measured using VSM (model 7400, Lake Shore). Melting points of products were recorded with an Electrothermal type 9200 melting point apparatus.
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2

Organo-modified Montmorillonite Catalyst Characterization

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All reagents were purchased from Merck and Fluka and used without further purification. Organo-modified montmorillonite with benzalkonium chloride was supplied by Nano parmin Khavaran company. The melting points were recorded on an Electro thermal type 9100 melting point apparatus. The FT-IR spectra were recorded on Avatar370 FT-IR Thermo Nicolet, and only noteworthy absorptions are mentioned. The 1H NMR (300 MHz) and the 13C NMR (75 MHz) spectra were recorded on a Brucker DRX-300 Avance, using (DMSO-d6) as the solvent and TMS as the internal standard at 300 and 75 MHz, respectively; δ in ppm, J in Hz. The mass spectra were scanned on a Varian Mat CH-7 at 70 eV. The size and morphology of the prepared catalysts were studied using TEM (a Leo 912AB microscope operated at 120 kV) and FESEM (TESCAN BRNO-Mira3 LMU). The metal loading and leaching were evaluated with ICP-OES analyses (an Avio 200 ICP Optical Emission Spectrometer).
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3

Analytical Characterization of Compounds

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The IR spectra were obtained on a 4300 Shimadzu Spectrometer. 1H NMR (300 MHz) was obtained by using a Bruker Avance DRX-300 and -400 Fourier transformer spectrometer. Chemical shifts are reported in parts per million (δ) downfield from tetramethylsilane (TMS). The mass spectra were scanned on a Varian Mat CH-7 instrument at 70 eV. Elemental analysis was obtained on a Thermo Finnigan Flash EA microanalyzer. Sonication was down by BANDELIN SONOPULS mini20. All measurements of DPPH bleaching and lipoxygenase activities were carried out using BioTek Synergy HTX Multi-Mode reader. Chemicals were purchased from Aldrich and Merck Co.
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4

Comprehensive Nanomaterial Characterization Protocol

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All chemicals were purchased from commercial sources and used without purification. Melting points were determined using an Electrothermal 9100 instrument. Infrared (IR) spectra were acquired on a Nicolet Avatar 370 FT-IR Therma spectrometer in cm−1 with spectroscopic grade KBr. The 1HNMR and 13C NMR (300 MHz and 75 MHz, respectively) were obtained on a Bruker Avance DPX-300 instrument. MS was done using Varian Mat CH-7 at 70 eV. Transmission Electron Microscope (TEM) with EM10C (100 kV) microscope (Zeiss, Germany) was used for characterizing the size morphology of nanoparticles. FE-SEM images, EDS, and EDS-mapping were recorded on a Leo 1450 VP scanning electron microscope equipped with an SC7620 energy-dispersive spectrometer (SEM-EDS) presenting a 133-eV resolution at 20 kV. The crystal structure of the products was characterized by X-ray diffraction (XRD) D8 ADVANCE Bruker diffractometer with monochromated at 40 kV and 30 mA, using CuKα radiation (k = 0.154 Å), in the 2θ range from 10° to 80°. Thermogravimetric analysis (TGA) experiments were carried out on a Shimadzu Thermogravimetric Analyzer (TG-50) in the temperature range from room temperature to 600 °C under a nitrogen atmosphere at 10 °C/min heating rate. To measure the magnetic feature of the catalyst, we utilized a vibrating sample magnetometer (VSM; model 7400, Lake Shore).
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