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Nicolet is50 nir

Manufactured by Thermo Fisher Scientific

The NICOLET iS50 NIR is a near-infrared (NIR) spectrometer designed for laboratory use. It provides high-quality spectral data acquisition and analysis capabilities for a variety of applications. The core function of the NICOLET iS50 NIR is to analyze the composition and properties of samples through the detection and measurement of near-infrared light absorption, reflection, or transmission.

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2 protocols using nicolet is50 nir

1

Synthesis and Characterization of Nitronyl Nitroxide Gold(I) Complex

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(Nitronyl nitroxide-2-ido)(triphenylphosphine) gold(I) 4 is synthesized by the reaction of nitronyl nitroxide 7 and AuI(PPh3)Cl with NaOH in methanol/dichloromethane.41 ,83 ,84 (link) After purification by chromatography (deactivated Al2O3), the spin concentration of 4 is up to 99%. Di-iodo-Blatter radical 5 and its mono-iodo analogue 6 are prepared according to previous literature.45 (link),46 Frozen and liquid solution EPR spectra were obtained using a Bruker EMX-plus X-band spectrometer and simulated with the EasySpin software.56 (link) The TGA instrument (TA Instruments TGA 550) was run either without or with IR attachment (Thermo NICOLET Is50 NIR). Variable temperature (from 1.8 K to up to 370 K) magnetic susceptibility measurements of 3 were performed using a Quantum Design SQUID magnetometer with applied magnetic fields of 30 000 and 5000 Oe. Variable field (0 – 50,000 Oe) magnetization studies were carried out at temperatures of 1.8 – 5 K. Sample tubes for SQUID studies in dilute matrices85 (link) are described in the SI.
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2

FTIR and DLS Characterization of Adsorbents

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Fourier transform infrared spectroscopy (FTIR) of adsorbent materials was recorder on a Thermo Scientific Nicolet iS50 FT-IR, modulo NIR: Thermo Scientific Nicolet iS50 NIR module with Integrating Sphere in the frequency range 4000-400 cm -1 . Malvern Zetasizer was employed to measure the Z potential (ξ) and the average hydrodynamic diameter of particles by dynamic light scattering (DLS).
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