The FTIR analysis of the raw OPEFB, OPEFB-treated cellulose, OPEFB microcrystalline cellulose and nano-bentonite was performed by using the KBr pellet method. The functional groups of all the samples were analyzed using a Perkin Elmer spectrum 65 FTIR spectrometer (Waltham, MA, USA) with the wavenumber range of 650–4500 cm−1, 16 scans and resolution of 4 cm−1. FTIR transmitted infrared radiation through the sample and resulted in the infrared spectrum of the sample.
Spectrum 65 ft ir spectrometer
Manufactured by PerkinElmer
Sourced in United States
The Spectrum 65 FT-IR spectrometer is a Fourier-Transform Infrared (FT-IR) spectrometer designed for analytical applications. It is capable of analyzing the molecular composition of samples by detecting infrared absorption patterns. The core function of the Spectrum 65 is to provide accurate and reliable infrared spectral data for identification and characterization of materials.
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Lab products found in correlation
Uv 2600, by Shimadzu (2 mentions)
Axis ultra dld instrument, by Shimadzu (1 mentions)
Jem 2010 microscope, by JEOL (1 mentions)
Av300 m spectrometer, by Bruker (1 mentions)
Axis ultra dld, by Shimadzu (1 mentions)
Su8000, by Hitachi (1 mentions)
Tga 50, by Shimadzu (1 mentions)
Avance dpx 300, by Bruker (1 mentions)
Avance dpx 500 spectrometer, by Bruker (1 mentions)
Ta sdt q600, by TA Instruments (1 mentions)
Drx 500, by Bruker (1 mentions)
Avance 2 500 nmr spectrometer, by Bruker (1 mentions)
Sepa 500 polarimeter, by Horiba (1 mentions)
Tripletof 6600 mass spectrometer, by AB Sciex (1 mentions)
S 4800 field emission scanning electron microscope, by Hitachi (1 mentions)
D8 venture diffractometer, by Bruker (1 mentions)
Lambda 35 uv vis spectrometer, by PerkinElmer (1 mentions)
Pw 3710 x ray diffractometer, by Philips (1 mentions)
Mira3 xmu microscope, by TESCAN (1 mentions)
Cm30 microscope, by Philips (1 mentions)
37 protocols using spectrum 65 ft ir spectrometer
1
FTIR Analysis of OPEFB Cellulose and Nano-bentonite
2
Elemental and Magnetic Analyses
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Elemental analyses (C, H, N) were carried out on an Elemental Analyzer CE Instruments CHNS1100 in the Central Service for the Support to Experimental Research (SCSIE) at the University of Valencia. Infrared spectra (IR) of 1 and 2 were recorded with a PerkinElmer Spectrum 65 FT-IR spectrometer in the 4000–400 cm−1 region. Variable-temperature, solid-state (dc and ac) magnetic susceptibility data were measured on Quantum Design MPMS-XL SQUID and Physical Property Measurement System (PPMS) magnetometers. Experimental magnetic data were corrected for the diamagnetic contributions of both the sample holder and the eicosene. Further, the molecular diamagnetic contribution for each compound was corrected through the tabulated Pascal’s constants [42 (link)].
3
Spectroscopic and Microscopic Characterization of Materials
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1H nuclear magnetic resonance (NMR) and Fourier
transform infrared
(FT-IR) spectral measurements were carried out using an AV300 M spectrometer
(Bruker Biospin) and Spectrum 65 FT-IR spectrometer (PerkinElmer)
equipped with an attenuated total reflection apparatus, respectively.
Chemical shifts of protons are reported in parts per million (δ
scale) downfield from tetramethylsilane (TMS). Chemical shifts for
the carbon resonances are reported in parts per million (δ scale)
downfield from TMS. Centrifugation was carried out using a Himac CF
15R centrifuge (Hitachi). X-ray photoelectron spectroscopy (XPS) was
performed using an AXIS-ULTRADLD instrument (Shimadzu,
Co., Japan). Thermogravimetric analysis (TGA) was conducted using
an Exstar TG/DTA6300 analyzer (Seiko Instruments, Inc.) at a heating
rate of 10 °C min–1 under an air flow of 200
mL min–1. Scanning transmission electron microscopy
(STEM) and transmission electron microscopy (TEM) measurements were
performed using an SU9000 microscope (Hitachi High-Technologies) operated
at 30 kV and a JEM-2010 microscope (JEOL) operated at 120 kV, respectively.
A copper grid with a carbon support (Okenshoji) was used for the STEM
and TEM observations. Gas adsorption (77 K, 1 × 10–8 < P/P0 < 1) measurements
were conducted on a Belsorp mini analyzer (BEL Japan, Inc.) after
pretreatment at 300 °C for 12 h under high vacuum.
transform infrared
(FT-IR) spectral measurements were carried out using an AV300 M spectrometer
(Bruker Biospin) and Spectrum 65 FT-IR spectrometer (PerkinElmer)
equipped with an attenuated total reflection apparatus, respectively.
Chemical shifts of protons are reported in parts per million (δ
scale) downfield from tetramethylsilane (TMS). Chemical shifts for
the carbon resonances are reported in parts per million (δ scale)
downfield from TMS. Centrifugation was carried out using a Himac CF
15R centrifuge (Hitachi). X-ray photoelectron spectroscopy (XPS) was
performed using an AXIS-ULTRADLD instrument (Shimadzu,
Co., Japan). Thermogravimetric analysis (TGA) was conducted using
an Exstar TG/DTA6300 analyzer (Seiko Instruments, Inc.) at a heating
rate of 10 °C min–1 under an air flow of 200
mL min–1. Scanning transmission electron microscopy
(STEM) and transmission electron microscopy (TEM) measurements were
performed using an SU9000 microscope (Hitachi High-Technologies) operated
at 30 kV and a JEM-2010 microscope (JEOL) operated at 120 kV, respectively.
A copper grid with a carbon support (Okenshoji) was used for the STEM
and TEM observations. Gas adsorption (77 K, 1 × 10–8 < P/P0 < 1) measurements
were conducted on a Belsorp mini analyzer (BEL Japan, Inc.) after
pretreatment at 300 °C for 12 h under high vacuum.
4
Structural Analysis of Curcumin and Polymers
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To investigate the chemical structure of curcumin, potential interactions between curcumin and the MPC-DPA copolymers, the structure of MPC-DPA copolymers, chitosan, and the synthesised TMC polymers, Fourier transform infrared spectroscopy (FTIR) was performed using a PerkinElmer Spectrum 65 FT-IR Spectrometer.
All transmission spectra were obtained at ambient temperature by recording the average of 32 scans in the region between a wave number 4000 and 650 cm -1 with a resolution of 4 cm -1 .
All transmission spectra were obtained at ambient temperature by recording the average of 32 scans in the region between a wave number 4000 and 650 cm -1 with a resolution of 4 cm -1 .
5
Multimodal Characterization of Novel Materials
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IR spectra were recorded using a Perkin-Elmer Spectrum-65 FT-IR spectrometer in the wavenumber range of 4000–700 cm−1 by accumulating 4 scans at a 4 cm−1 resolution. The XPS spectra were measured using an AXIS-ULTRADLD (Shimadzu, KRATOS) instrument. The Raman spectroscopy measurement was carried out using a Raman RXN Systems (Kaiser, excitation, 785 nm) at room temperature. The TGA measurements were obtained by a TGA-50 (Shimadzu) at the heating rate of 10 °C/min under 20 mL/min flowing air. The TEM micrographs were obtained using an electron microscope (JEM-2010) at the acceleration voltage of 120 kV. A copper grid with a carbon support (Okenshoji) was used for the TEM observations. SEM micrographs were obtained using SU8000 (Hitachi High-tech). Electrochemical Impedance Spectroscopy (EIS) measurements were carried out in the frequency range of 100 kHz ~0.1 Hz using a Solartron 1287/1260 potentiostat/frequency response analyzer equipped with Zplot software (Zview, Scribner Associate, Inc.). The Nyquist spectra were used for the analysis. The obtained data were fitted using the software.
6
Synthesis and Characterization of (C^N^C)Au Complexes
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Unless otherwise stated, all manipulations were performed using standard Schlenk techniques under dry nitrogen or using Saffron Scientific or MBRAUN glove boxes. Nitrogen was purified by passing through columns of supported P2O5 with moisture indicator and activated 4 Å molecular sieves. Anhydrous solvents were freshly distilled from appropriate drying agents. (C^N^C)AuOH (30 ), (C^N^C)Au(OAcF) (30 ), [(C^N^C)Au]2O (27 ), (C^N^C)AuH (25 ), [(C^N^C)Au]2 (25 ), [(C^N^C)Au(η2-C2H4)][B(C6F5)3(OAcF)] (26 ), and B(C6F5)3 (34 ) were prepared using literature methods. [Ph3C][PF6] (Sigma) was used as purchased. Natural abundance CO (BOC) and 13CO (Euriso-Top) were used as purchased or dried before use passing through columns with activated 4 Å molecular sieves.
1H, 13C{1H}, and 19F spectra were recorded using a Bruker Avance DPX-300 or a Bruker Avance DPX-500 spectrometer. Deuterated solvents were dried over CaH2, degassed by three freeze-pump-thaw cycles, and stored on 4 Å molecular sieves before use. 1H NMR spectra (300.13 MHz) were referenced to the residual protons of the deuterated solvent used. 13C{1H} NMR spectra (75.47 MHz) were referenced internally to the D-coupled 13C resonances of the NMR solvent. IR spectra were recorded using a Perkin Elmer Spectrum 65 FT-IR spectrometer with a diamond attenuated total reflectance attachment or using liquid cells with KBr plates.
1H, 13C{1H}, and 19F spectra were recorded using a Bruker Avance DPX-300 or a Bruker Avance DPX-500 spectrometer. Deuterated solvents were dried over CaH2, degassed by three freeze-pump-thaw cycles, and stored on 4 Å molecular sieves before use. 1H NMR spectra (300.13 MHz) were referenced to the residual protons of the deuterated solvent used. 13C{1H} NMR spectra (75.47 MHz) were referenced internally to the D-coupled 13C resonances of the NMR solvent. IR spectra were recorded using a Perkin Elmer Spectrum 65 FT-IR spectrometer with a diamond attenuated total reflectance attachment or using liquid cells with KBr plates.
7
Characterization of Polymer Powders
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Fourier-transform infrared (FTIR) spectra were recorded on a Perkin Elmer spectrum 65 FT-IR spectrometer in the range 4000–600 cm−1 using attenuated total reflectance sampling. 64 scans with a resolution of 4 cm−1 were carried out for each polymer powder. For the surface morphological characterization, samples were suspended in ethanol; then, a drop was placed on a silicon grid and examined in a JEOL-7600 scanning electron microscope (SEM). The thermogravimetric analyses were carried out in a TA SDT Q600 instrument. The experiments were performed under air flow using a temperature increase of 20 °C per minute. Samples were heated from room temperature to 1000 °C.
8
Comprehensive Spectral Analysis of ASP2397
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Spectral analyses of ASP2397 and its derivatives were performed using the instruments as follows: (LC)MS-ion trap (IT)-time-of-flight (TOF) spectrometer (Shimadzu, Kyoto, Japan); UV-2500 PC UV/visible-light spectrophotometer (Shimadzu); SEPA-500 polarimeter (Horiba, Kyoto, Japan); Spectrum 65 FT-IR spectrometer (PerkinElmer Japan Co., Ltd., Yokohama, Japan); and a cryoprobe-equipped Bruker DRX500 or a Bruker Avance II 500 NMR spectrometer.
9
FT-IR Analysis of Fluoride-Treated Diatomaceous Earth
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To evaluate the likely changes in the functional groups of the material in contact with fluoride solution, the FT-IR spectroscopic analyses of both raw DE and aluminum hydroxide-treated DE were done using a Spectrum 65 FT-IR spectrometer (PerkinElmer, USA) in the KBr pellet in the range 4000–400 cm−1.
10
Analytical Techniques for Fluoride Detection
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An electronic balance (Adam Equipment, Model WL 3000, UK), with precision of 0.0001 g was used for weighing adsorbents and chemicals for solution preparation. An oven (Digit heat, J. P. Selecta, Spain) was used for drying the adsorbent and glass wares during analysis. A pH meter (HANNA instrument, HI 9025, Singapore) equipped with a pH glass electrode was used to measure the pH values of sample solutions. A pH/ISE meter (Orion model, EA 940 Expandable Ion Analyzer, USA) equipped with a combination fluoride ion-selective electrode (Orion Model 96-09, USA) was employed for the determination of fluoride in the samples and standards solutions. Spectrum 65 FT-IR (Spectrum 65 FT-IR spectrometer (PerkinElmer, USA) was used to record IR spectra.
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