Corona resistance tests were performed on PI/SiO2 films with different doping amounts using a corona resistance tester assembled according to IEC 60343 standards; conductance current tests were performed with EST122-picoammeter and HV-103P2 DC high voltage power supply; the SU8020 scanning electron microscopy (SEM)was used to characterize the morphology of the breakdown point of the film and surroundings after corona formation. The microstructures were characterized by using a Thermo Scientific Nicolet iS50 Fourier transform infrared spectrometer with an attenuated total reflection (ATR) accessory; the dielectric properties of the composite films were tested with an Alpha-A broadband dielectric spectrum analyzer.
Nicolet is50 fourier
Manufactured by Thermo Fisher Scientific
Sourced in United States
The Nicolet iS50 Fourier is a Fourier transform infrared (FTIR) spectrometer designed for analytical applications. It utilizes Fourier transform technology to analyze the infrared absorption spectrum of samples, providing information about their chemical composition and structure.
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Lab products found in correlation
3 protocols using nicolet is50 fourier
1
Corona Resistance of PI/SiO2 Thin Films
2
IR Spectroscopy of Melanin Powder
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IR spectra were
acquired using the Thermo Scientific Nicolet iS50 Fourier transform
infrared spectrometer. The black knot (or the extracted melanin) powder
(approx. 1–2 mg) was ground with 160 mg of potassium bromide
(KBr, FTIR grade, Sigma-Aldrich) using an agate mortar and pestle.
The fine ground powder was compressed to a semi-transparent pellet
using a die and hydraulic press (OMEGA CN9000). The formed pellets
were placed in the vacuum oven at room temperature overnight to remove
any adsorbed water. The pure KBr pellet was used as the background
for obtaining the IR spectra of samples in the transmission mode.
An average of 32 scans were collected with a resolution of 4 cm–1 in the 400–4000 cm–1 range.
acquired using the Thermo Scientific Nicolet iS50 Fourier transform
infrared spectrometer. The black knot (or the extracted melanin) powder
(approx. 1–2 mg) was ground with 160 mg of potassium bromide
(KBr, FTIR grade, Sigma-Aldrich) using an agate mortar and pestle.
The fine ground powder was compressed to a semi-transparent pellet
using a die and hydraulic press (OMEGA CN9000). The formed pellets
were placed in the vacuum oven at room temperature overnight to remove
any adsorbed water. The pure KBr pellet was used as the background
for obtaining the IR spectra of samples in the transmission mode.
An average of 32 scans were collected with a resolution of 4 cm–1 in the 400–4000 cm–1 range.
3
FTIR Analysis of Diluted Samples
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The measurements were performed using a Nicolet iS50 Fourier transform
infrared (FTIR) spectrometer from Thermo Scientific, USA running on
Omnics software. Each sample was diluted to 5 mg/mL (dilution factor
∼4 if concentration ∼20 mg/mL), and 6–8 μL
of the sample was loaded. The corresponding extraction buffer was
measured as a blank.
infrared (FTIR) spectrometer from Thermo Scientific, USA running on
Omnics software. Each sample was diluted to 5 mg/mL (dilution factor
∼4 if concentration ∼20 mg/mL), and 6–8 μL
of the sample was loaded. The corresponding extraction buffer was
measured as a blank.
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