Aug 08 2022
Faded furniture and carpets, over time we all notice it. We all have our favourite seat on the sofa and walk the same route across the living room to the kitchen leading to general wear and tear. Then we have the back of the sofa and the patch of carpet that we never walk across but both fade anyway. Chances are they are exposed to direct sunlight?
This represents an analytical challenge to manufacturers of the materials utilised in production of such products. During the R&D stage, materials likely undergo accelerated UV weathering testing in a Xenon Arc Machine. This helps to determine how a material will perform over time, it is however a lengthy test taking weeks or even months plus provides little chemical information as to why a product may fail.
Using the CDS PhotoPROBE with UV testing capabilities fromAnalytixit is possible to expose a material to a combination of heat, humidity and high intensity UV light. During the exposure we automatically collect the VOCs evolved and desorb to GCMS for analysis. This provides R&D chemists a level of information not previously obtainable and allows them to look at the chemistry as to why a particular material may not perform well under UV exposure. Better still, the whole analysis takes less than one hour to complete.
In This Edition Chromatography - Automated Sample Preparation:The Missing Hyphen to Hypernation - New Low Volume Air Sampler for PFAS Analysis - Analytical Intelligence Starts with the Samp...
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