particle sampling News
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ISO 14644 Part 21
The newly published ISO 14644 part 21 provides clarification on the application of sound airborne particle sampling techniques in support of ISO 14644-1:2015 for classification of cleanrooms and clean zones, and ISO 14644-2:2015 for airborne particle monitoring, to provide evidence of cleanroom performance related to air cleanliness by particle concentration. It addresses a potential ...
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Finer particles give more useful air quality data, says new research
New air quality research indicates that measuring ultra-fine particles can distinguish between particles generated through human activities, such as combustion, and larger particles, which are more likely to arise from mechanical processes and natural sources. The smallest air particles are from combustion sources such as vehicles and power plants, and easily enter the body. However, air quality ...
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TSI Webinar: Introducing a New Comprehensive Ultrafine Particle Monitoring Solution
Ambient air monitoring of ultrafine particles is a complex task. From sampling to delivering accurate data, TSI has you covered. Designed with compliance in mind, our ultrafine particle monitoring solution checks all the boxes (CEN/TS 16976 for particle number concentration and CEN/TS 17434 for particle size distribution). Join this 45-minutes webinar to learn more about: How to sample ...
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Sahara dust, sea spray and fires contribute to bad air quality
Human activities are the main cause of poor air quality, but natural sources of air pollution also play a role. A new report from the European Environment Agency (EEA) considers how particulate matter from these natural sources affects the air we breathe. The report is the first evaluation of Member State reporting under the EU's Air Quality Directive. The directive sets legally binding limit ...
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TSI Now Offers Full Solution for Ultrafine Particle Monitoring
TSI is excited to introduce you to a new comprehensive solution to measure ultrafine particles in the atmosphere. It includes sampling of ultrafine particles as well as particle number (PN) concentration and particle size distribution (PSD) measurements, and is adapted to your needs. This solution is compliant to CEN/TS 16976:2016 and CEN/TS 17434:2020 which harmonize the sampling and measurement ...
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Casella ETi Appointed by Digitel as UK & Ireland Distributor
Casella ETi (UK) has been appointed by DIGITEL-Swiss air pollution measurement experts, as their United Kingdom and Ireland distributor. Digitel, the Swiss specialist for automatic aerosol, gas and wet-only samplers, has been manufacturing for over 35 years and specialises in High Volume Samplers such as the DHA-80, a fully gravimetric system to sample dust and aerosol particles for later ...
By Casella
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What are ultrafine particles, and how can you include size distributions and concentrations as part of routine air quality monitoring?
Ultrafine particles (UFP) are particles that are too small to contribute appreciably to mass-based measurements, but are present in ambient air. While regulations focus on PM and neglect ultrafine particle number concentrations, a growing body of research is investigating the ultrafines present in the air we breathe. The findings of this research motivate the measurement of ultrafine particles at ...
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Casella ETI Appointed by Digitel as UK & Ireland Distributor
Casella ETI, the UK's leading manufacturer of air quality, pollution detection and industrial emissions monitoring equipment, has been appointed by DIGITEL - Swiss air pollution measurement experts, as their United Kingdom and Ireland distributor. DIGITEL, the Swiss specialist for automatic aerosol, gas and wet-only samplers, has been manufacturing for over 35 years and specialises in High ...
By Casella
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Sampling of Carbonyls - A Sampling Media Perspective
Formaldehyde, acetaldehyde, glutaraldehyde and acetone are the most commonly sampled carbonyls. These compounds are collected onto sampling media treated with 2,4-dinitrophenylhydrazine (DNPH) that derivatize the carbonyls to the more stable hydrazone derivatives. The derivatives are then measured by reversed-phase HPLC combined with UV detection. There are several analytical methods available to ...
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