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D max rb x ray diffractometer

Manufactured by Rigaku
Sourced in Japan

The D/max-RB X-ray diffractometer is a laboratory instrument designed for X-ray diffraction analysis. It provides a reliable and precise method for the identification and characterization of crystalline materials. The core function of this equipment is to generate and detect X-rays that interact with the sample, producing a diffraction pattern that can be analyzed to determine the material's structure and composition.

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15 protocols using d max rb x ray diffractometer

1

Synthesis and Characterization of 3D Porous Si-CaP

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Three-dimensional porous Si-CaP tubes were prepared using aqueous precipitation method as described previously [23 (link)]. The tubes had an inside diameter, outside diameter and length of 0.6, 1 and 1.5 cm, respectively and weighed 1.5 g. The crystal phase composition of Si-CaP was studied with X-ray diffraction, using a D/MAX-Rb X-ray diffractometer (Rigaku, Japan) with Ni-filtered Cuka radiation operated at 30 kV and 10 mA at a scanning speed of 1/min. Si-CaP functional groups were detected by Nicolet710 Far-infrared Fourier transform spectroscopy (Thermal, United States) with a frequency range from 4,000 to 400 cm−1 and a resolution of 2 cm−1. Si-CaP microstructure and elemental composition was analyzed using a dual beam focused ion beam scanning electron microscopy (FIB-SEM) system (HELIOS NanoLab 600i, FEI, Netherlands) equipped with an energy dispersive X-ray spectroscopy (EDS) unit operated at 20 kV. Liquid displacement methodology was used to measure the porosity of Si-CaP as described previously [24 (link)].
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2

Characterizing Treated and Untreated Cellulose Substrates

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Fourier transform
infrared (FT-IR)
spectra of CTS, CL-CTS, and PACTS at wavenumbers between 400–4000
cm–1 were measured using WQF-520 FT-IR spectrometer
(Beijing Beifen-ruili Analytical Instrument (Group) Co., Ltd., China).
Scanning electron microscopy (SEM) of CTS and PACTS was performed
using TSM-7900F (JEOL Ltd., Japan). X-ray diffraction (XRD) analysis
was performed using D/max-RB X-ray diffractometer (Rigaku, Japan)
operating at a voltage of 40 kV and current of 100 mA using Co Kα
radiation. The pH was measured using PHS-25 acidimeter (Shanghai Lei-ci
Instrument, China). The chemical oxygen demand (CODCr)
was measured using a COD rapid detector (DR1010 rapid detector and
DRB200 digestive machine, Hach, USA). Turbidity was determined using
a turbidimeter (2100Q Turbidimeter, Hach, USA). The conductivity was
measured at pre- and post-treatment stages using a conductivity detector
(Sension7, Hach, USA).
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3

Comprehensive Material Characterization Protocol

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X-ray diffraction (XRD) patterns were obtained on a D/MAXRBX-ray diffractometer (Rigaku, Japan). Morphological analysis was performed with an S-4800 field emission scanning electron microscope (FESEM) (Hitachi, Japan) with an acceleration voltage of 10 kV. TEM/HRTEM image was conducted using a JEM-2100F transmitting electron microscope. Raman spectra were collected using an INVIA spectrophotometer (Renishaw, UK). Fourier Transform Infrared spectra (FTIR) were acquired using a Nexus FT-IR spectrophotometer (Thermo Nicolet, America). X-ray photoelectron spectroscopy (XPS) measurements were done on a KRATOA XSAM800 XPS system with Mg Kα source. All the binding energies were referenced to the C1 s peak at 284.8 eV for the surface adventitious carbon. The amount of Fe(III) in Fe(III)/rGO-TiO2 was performed on an atomic absorption spectrometry (GBC AVANTA-M, Australia). UV–vis absorption spectra were obtained using a UV–visible spectrophotometer (UV-1240, SHIMADZU, Japan).
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4

Characterization of Barium Manganite Nanoparticles

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The morphology and size of BMNPs were checked by transmission electron microscopy (TEM, FEI/Philips TCNAI G2) at an accelerating voltage of 200 kV and direct magnification of×250,000. The composition and phase of BMNPs were recognized by powder X-ray diffraction (XRD) on an D/max-rB X-ray diffractometer (Rigaku, Japan) using Cu Kα radiation (λ=1.5418 Å). Fourier transform infrared (FT-IR) spectra of the nanoparticles were recorded in the range of 350-7800 cm−1 using FT-IR spectroscopy (Nicolette-6700). Room temperature-magnetic experiments were performed on a vibrating sample magnetometer (Model 3900, Princeton Measurements Corporation, sensitivity is 5.0×10−10 Am2). The hysteresis loop was measured between +500 and −500 mT with an average time of 400 ms. Saturation magnetization (Ms) and saturation remanence (Mrs) were determined after correction for paramagnetic phases.
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5

Crystalline State Evaluation by XRPD

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X-ray powder diffraction (XRPD) analysis was used to evaluate whether the initial crystalline state of powders was maintained before and after particle size reduction. The samples including SN-38 coarse powder, blank excipients, physical mixture of SN-38 and excipients, and two kinds of nanocrystals were analyzed. XRPD diffractograms of all samples were obtained by a D/MAX RB X-ray diffractometer (Rigaku, Tokyo, Japan). XRPD was recorded by Cu Kα radiation source with a wavelength of 1.5405 Å at 40 kV and 100 mA. The range (2θ) of scans was from 5 to 60° at a speed of 2°/min.
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6

Characterization of Composite Wound Dressings

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The macromolecular structure of composite wound dressings was characterized by Fourier Transform Infrared (FTIR) and X-ray diffraction (XRD). The FTIR spectra were measured by Nicolet 6700 FTIR spectroscopy (Thermo Fisher Scientific, Waltham, MA, USA) in the attenuated total reflection mode (ATR). The absorption spectral range was 500–4000 cm−1. The crystal and aggregation structure of CM-Chit and CAF macromolecules were investigated by the D/max RB X-ray diffractometer (Rigaku Co., Tokyo, Japan) with Nickel-filtered Cu kα radiation in the 2θ range of 0–60°.
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7

Quantitative X-ray Diffraction Analysis

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Quantitative X-ray diffraction (XRD) measurements were performed with a Rigaku D/max-RB X-ray diffractometer, which is equipped with a Cu target and a graphite monochromator. Microstrain and dislocation density can be calculated from the XRD peak broadening, following others’ work28 29 30 .
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8

Characterization of Coagulant Powder

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Coagulant solid powder was determined by using D/MAX-RB X-ray diffractometer (Rigaku, Japan) with Cu K-radiation in the 2θ range of 10–80° at a scan rate of 10° min−1. The morphology of the precursor, coagulants and combination of dye and coagulant were examined by JSM-6360LV scanning electron microscope (SEM), respectively. Infrared spectra of precursor sol, coagulants and combination of dye and coagulant were measured via a Fourier-transform infrared (FTIR) spectrometer (Nissan Hitachi, 270-30) by using the potassium bromide pellet method. 27Al NMR spectra were taken under the resonance frequency of 10 kHz.
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9

Characterization of Vanadium-Containing Materials

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Vanadium concentration of the solution was measured through ferrous ammonium sulfate titrimetry.35 The nitrogen content (N content) was analyzed and determined by distillation–neutralization titration.
X-ray diffraction (XRD) patterns were performed using a Rigaku D/MAX-RB X-ray diffractometer (Rigaku, Akishima, Japan) with Cu Kα radiation to analyze the phase compositions in the products.
Microscopic observation and elemental analysis were performed using scanning electron microscopy (JSM-IT300, Jeol, Tokyo, Japan) equipped with X-ACT energy dispersive X-ray attachment (Oxford Instruments, Oxford, UK).
Thermogravimetric analysis (TG) experiments were performed using an STA449C analyzer (Netzsch, Germany), heated from room temperature to 1400 °C at a heating rate of 10 °C min−1, and a N2 flow rate of 50 mL min−1.
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10

Characterization of GO, RGO-Zr, and Zr(OC3H7)4 Materials

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The structures and properties of GO, RGO-Zr and Zr(OC3H7)4 were characterized by various methods. X-ray diffraction (XRD) patterns were obtained on a D/MAX-RBX-ray diffractometer (Rigaku, Japan) with Cu Kα radiation (λ = 0.15418 nm). Transmission electron microscope (TEM, HT-7700, Hitachi, Japan) was used to analyze the morphology along with Field Emission Scanning Electron Microscopy (FESEM, S-4800, Hitachi, Japan). X-ray photoelectron spectroscopy (XPS) measurements were obtained on an ESCALAB 250Xi (Thermo Fisher) system with Al, Kα sources and all the binding energies were referenced to the C1s peak at 284.8 eV for the surface adventitious carbon. The binding properties were analyzed by Fourier Transform Infrared Nexus spectrophotometer (FTIR, Thermo Nicolet, America). Raman spectra were collected using an INVIA spectrophotometer (Renishaw, UK). The nitrogen adsorption–desorption isotherms were obtained on a Micrometrics ASAP 2020 apparatus at −196 °C. Finally, the surface zeta potentials of the samples were measured using a Zetasizer Nano ZS (Malvern, UK).
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