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Better Cleaning Technology

"Keeping school restrooms, cafeterias, and classrooms clean is an important step to protect the health of children. Having reviewed the data, I believe few technologies do this as effectively as a spray and vac system because - unlike old-fashioned mopping - the device removes soil rather than redistributing it, leaving surfaces clean and with dramatically lower microbial counts."

Michael Zuckerman, M.D.

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X-ray fluorescence (XRF)

By KaiScience Staff

X-ray fluorescence (XRF) technology is a fast, highly accurate method for analyzing the soil removal capability of cleaning products such as vacuum cleaners and carpet extractors.

In basic terms, the XRF hand-held instrument emits energy and excites the atoms of a target element. The energy generated in response is called X-ray fluorescence, which can be detected and measured by the device. Each atomic element has its own unique energy signature. The XRF instrument measures each energy signature to determine the presence and concentration of various soil elements based upon this unique signature.

XRF, in this application, was developed in a collaboration between private industry, the Carpet & Rug Institute and NASA.

Source: Georgia Institute of Technology

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