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Ask The Experts / Carpet Care / Technology
Ask The Experts

ICAN/ATEX: What will a black light show?

March 22, 2013
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Many cleaning professionals visit the International Custodial Advisers Network (ICAN) Ask the Experts page for insight and, every business day, we deliver advice to better help you perform your job.

Friday’s Question:ICANATEX Logo

We are about to start using a black light to check carpeting for pet stains when apartment residents move out.

Will the black light only show urine on the fibers, or will it also be apparent on the backing and pad?

Friday’s Answer:

A black light illuminates phosphors, especially uric salts.

There are other products containing zinc or fluorescent dyes that will also fluoresce, but the distinct pattern animals leave are a give away regarding pet urine.

Pet urine is fluoresced as bright yellow spots, streaks and drips. It will show damage on the backing and pad.

A black light will not detect surface urine after the carpet has been thoroughly cleaned.

The human nose can be trained to  … - Gary Clipperton, president of National Pro Clean Corporation

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