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    4. What changes could occur in a sample of urine if left at room temperature for 3 hours?
    What changes could occur in a sample of urine if left at room temperature for 3 hours?

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    0  Views: 471 Answers: 2 Posted: 13 years ago
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      I do not know over a 3 hour period,,but i did once hand in a urine test that should have come back positive,but came back negative..a lot of head scratching went on,,i won that round, but eventually lost the battle,,which was a good thing for me..>>>>>>>><<<<<<<< 

      10 years ago. Rating: 2
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        3 hours won't make much difference,  but in your case it's been 3 years not so sure about that.

        10 years ago. Rating: 1
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