Richtwert für Formaldehyd in der Innenraumluft

doi:10.1007/s00103-016-2389-5

Cited by 14 publications

(2 citation statements)

References 9 publications

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“…Virtually all applications -for example, air quality (Castell et al, 2017;Spinelle et al, 2017), fire detection (Kohl et al, 2001;Fonollosa et al, 2016), detection of explosives (Tomchenko et al, 2005;Yu et al, 2005) and breath analysis (Bajtarevic et al, 2009;Lourenço and Turner, 2014) -require selective, quantitative measurements in an ever-changing background of interfering gases. A sensor calibration with single substances (as, for example, in the datasets of Fonollosa et al, 2015a, b;Fonollosa, 2016;Bastuck and Fricke, 2018) does not reveal any masking effects or other gas interactions altering the sensor response.…”

Section: Motivationmentioning

confidence: 99%

Random gas mixtures for efficient gas sensor calibration

Baur

Bastuck

Schultealbert

et al. 2020

J. Sens. Sens. Syst.

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Abstract. Applications like air quality, fire detection and detection of explosives require selective and quantitative measurements in an ever-changing background of interfering gases. One main issue hindering the successful implementation of gas sensors in real-world applications is the lack of appropriate calibration procedures for advanced gas sensor systems. This article presents a calibration scheme for gas sensors based on statistically distributed gas profiles with unique randomized gas mixtures. This enables a more realistic gas sensor calibration including masking effects and other gas interactions which are not considered in classical sequential calibration. The calibration scheme is tested with two different metal oxide semiconductor sensors in temperature-cycled operation using indoor air quality as an example use case. The results are compared to a classical calibration strategy with sequentially increasing gas concentrations. While a model trained with data from the sequential calibration performs poorly on the more realistic mixtures, our randomized calibration achieves significantly better results for the prediction of both sequential and randomized measurements for, for example, acetone, benzene and hydrogen. Its statistical nature makes it robust against overfitting and well suited for machine learning algorithms. Our novel method is a promising approach for the successful transfer of gas sensor systems from the laboratory into the field. Due to the generic approach using concentration distributions the resulting performance tests are versatile for various applications.

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Section: Motivationmentioning

confidence: 99%

Random gas mixtures for efficient gas sensor calibration

Baur

Bastuck

Schultealbert

et al. 2020

J. Sens. Sens. Syst.

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“…This corresponds to 100 micrograms/ m 3 . This value should not be exceeded even for a short term [8]. The World Health Organization (WHO) recommends a guideline of 0.08 ppm (0.1 mg/m 3 ) [9].…”

Section: Possible Pollutantsmentioning

confidence: 99%

Indoor Air Pollution in Cars: An Update on Novel Insights

Zulauf

Dröge

Klingelhöfer

et al. 2019

IJERPH

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From a global viewpoint, a lot of time is spent within the indoor air compartment of vehicles. A German study on mobility has revealed that, on average, people spend 45 minutes per day inside vehicles. In recent years the number of cars has increased to around 43 million vehicles in private households. This means that more than one car can be used in every household. The ratio has been growing, especially in eastern Germany and rural areas. “Overall and especially outside the cities, the car remains by far number one mode of transport, especially in terms of mileage”. Therefore, numerous international studies have addressed different aspects of indoor air hygiene, in the past years. In this paper, meaningful original studies on car indoor air pollution, related to VOCs, COx, PMs, microbials, BFRs, OPFRs, cigarettes, electronic smoking devices, high molecular weight plasticizer, and NOx are summarized in the form of a review. This present review aimed to summarize recently published studies in this important field of environmental medicine and points to the need for further studies with special recommendations for optimizing the interior air hygiene.

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Release of Chemical Compounds and Particulate Matter

Salthammer

Gunschera

et al. 2023

Springer Handbook of Wood Science and Technology

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Richtwert für Formaldehyd in der Innenraumluft

Cited by 14 publications

References 9 publications

Random gas mixtures for efficient gas sensor calibration

Random gas mixtures for efficient gas sensor calibration

Indoor Air Pollution in Cars: An Update on Novel Insights

Release of Chemical Compounds and Particulate Matter

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