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Sample Page

The page below is a sample from the MediaLab course, Chemical Screening of Urine by Reagent Strip.

Learn about Compliance & CE courses available for clinical laboratories and individual medical technologists.

Urobilinogen Analysis

The test for urobilnogen is based on the Ehrlich Aldehyde Reaction. P-dimethylaminobenzaldehyde in an acid medium with a color enhancer reacts with urobilinogen to form a pink-red color.

The urine chemical reagent strip reactivity increases with increasing temperature. The optimum temperature for testing is 22° - 26°C.

A freshly voided sample is always best for ensuring optimal results.

 

 

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