Applications

Šablinskas, Valdas; Steiner, Gerald; Hof, Martin; Macháň, Radek

doi:10.1002/9783527654703.ch6

Cited by 2 publications

(2 citation statements)

References 210 publications

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“…The same considerations as those for IR spectroscopy may be also applied to Raman spectroscopy, since their LODs are comparable . In conclusion, the absence of any signals from contaminants in FTIR and Raman data does not provide any proof that observed nanoentities are nanobubbles.…”

Section: Raman Spectroscopymentioning

confidence: 97%

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Comment on “Bulk Nanobubbles or Not Nanobubbles: That is the Question”

Rak

Sedlák

2020

Langmuir

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In a recent article, Jadhav and Barigou (Langmuir20203616991708) investigated the question of the existence of stable bulk nanobubbles in water generated by hydrodynamic cavitation, ultrasound cavitation, and the addition of an organic compound (namely, ethanol) to water. They firmly conclude that these procedures result in stable bulk nanobubbles. However, a number of previous works documented that the nanoentities observed in water upon such procedures are not nanobubbles. Here, we analyze work of Jadhav and Barigou and show that conclusions regarding the nanobubble nature of the nanoentities are incorrect and are due to the choice of experimental techniques with weak sensitivity, methodical issues in the use of otherwise proper experimental techniques, and ambiguous outcomes of the rest of experiments.

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Section: Raman Spectroscopymentioning

confidence: 97%

“…The limit of detection (LOD) of IR spectrometers lies in the mM concentration range, which means that the lowest detectable concentration of a single compound is approximately 0.01 wt % under ideal conditions and 0.1 wt % in routine analysis. When an ATR accessory is used like in J&B’s work, the limit of detection is even higher .…”

Section: Ftirmentioning

confidence: 99%

Comment on “Bulk Nanobubbles or Not Nanobubbles: That is the Question”

Rak

Sedlák

2020

Langmuir

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Spectroscopy

Gauglitz

2017

Kirk-Othmer Encyclopedia of Chemical Technology

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Spectroscopy, the study of electromagnetic radiation and its interaction with matter as a function of frequency or wavelength, is a versatile and powerful tool for investigating atomic and molecular structure, as well as for qualitative and quantitative analysis. Optical spectroscopy is surveyed emphasizing its applicability for qualitative and quantitative laboratory and process analysis and for monitoring atmospheric pollutants. Absorption, emission (from excited samples, and radiometry of ambient thermal emission), scattering (elastic and Raman), and luminescence (fluorescence and phosphorescence) spectroscopies are discussed for the different regions of the electromagnetic spectrum: radio and microwaves, mid‐ and near‐infrared, molecular ultraviolet–visible absorption, atomic absorption and emission, X‐ray, and γ‐ray, in each case discussing instrumentation, sampling, and applications. Special techniques covered include null‐background detection, nonlinear Raman spectroscopy and other laser‐induced processes, optical activity, and Mössbauer spectroscopy. Modern ultrasensitive spectroscopies being developed for analytical use are briefly reviewed.

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Applications

Cited by 2 publications

References 210 publications

Comment on “Bulk Nanobubbles or Not Nanobubbles: That is the Question”

Comment on “Bulk Nanobubbles or Not Nanobubbles: That is the Question”

Spectroscopy

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