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Analytical methods applied for ozone gas detection: A review
Ground-level ozone has been increasing worldwide, mainly due to the high anthropogenic
emissions of NOx and VOCs. In addition, ozone generators are sold as water and air …
emissions of NOx and VOCs. In addition, ozone generators are sold as water and air …
Gas detection using portable deep-UV absorption spectrophotometry: A review
Several gas molecules of environmental and domestic significance exhibit a strong deep-UV
absorption. Therefore, a sensitive and a selective gas detector based on this unique …
absorption. Therefore, a sensitive and a selective gas detector based on this unique …
An ultrafast optical sensor for simultaneous detection of NH3 temperature and concentration based on ultraviolet absorption spectral redshift combined with spectral …
As a renewable and carbon-free fuel with high energy density, ammonia (NH 3) is a
promising alternative to fossil fuels. Real-time detection of its temperature and concentration …
promising alternative to fossil fuels. Real-time detection of its temperature and concentration …
Direct-determination of high-concentration sulfate by serial differential spectrophotometry with multiple optical pathlengths
W Cheng, X Zhang, N Duan, L Jiang, Y Xu… - Science of the Total …, 2022 - Elsevier
Direct-determination is a fast and free of contamination method for analysis of substances in
water samples. However, direct-determination of SO 4 2− with high concentration in …
water samples. However, direct-determination of SO 4 2− with high concentration in …
Rapid detection of ozone in the parts per billion range using a novel Ni–Al layered double hydroxide
A novel ozone sensor based on Ni–Al layered double hydroxide (NiAl–LDH) that operates at
room temperature (25° C) was developed. The NiAl–LDH was successfully synthesized …
room temperature (25° C) was developed. The NiAl–LDH was successfully synthesized …
The characteristics of ultraviolet absorption and electronic excitation of sulfate at high concentrations
W Cheng, N Duan, L Jiang, Y Xu, G Zhu… - … Acta Part A: Molecular …, 2023 - Elsevier
The variation of spectra and the characteristics of electronic excitation are critical for
establishing a model for quantifying sulfate at high concentrations. The absorption …
establishing a model for quantifying sulfate at high concentrations. The absorption …
Design and performance evaluation of a deep ultraviolet LED-based ozone sensor for semiconductor industry applications
M Xu, X Tian, Y Lin, Y Xu, J Tao - Micromachines, 2024 - mdpi.com
Ozone (O3) is a critical gas in various industrial applications, particularly in semiconductor
manufacturing, where it is used for wafer cleaning and oxidation processes. Accurate and …
manufacturing, where it is used for wafer cleaning and oxidation processes. Accurate and …
The process, mechanisms and regulation of Cu electrolyte sulfidation based on spectroscopy direct determination towards high-purity Cu recovery
G Zhu, L Jiang, N Duan, Y Liu, L Bao, R Zhang… - Journal of …, 2025 - Elsevier
The traditional Cu (II) detection methods are complex, time-consuming and costly, which
hindered the timely and precise regulation of rapid sulfidation process of copper electrolyte …
hindered the timely and precise regulation of rapid sulfidation process of copper electrolyte …
A low cost spectroscopy with Raspberry Pi for soil macronutrient monitoring
Soil spectroscopy measurement is widely used to determine the macronutrients content in
the soil. Spectrometer is costly equipment and commonly used to determine the …
the soil. Spectrometer is costly equipment and commonly used to determine the …
Measurement of O2 and O3 absorption cross-sections in the 180–270 nm by controlling the conversion of O2 to O3 in the linear-absorption region
S Zhao, J Gao, Y Wu, R Zhu, M Li, W Qin, X Wu… - Journal of Molecular …, 2025 - Elsevier
Abstract Oxygen (O 2) and ozone (O 3) are of crucial importance to human health and
environmental sustainability. Concentrations of O 2 and O 3 can be measured by UV …
environmental sustainability. Concentrations of O 2 and O 3 can be measured by UV …