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How stable is EtG/EtS in urine?

etg ETS STABLE urine
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How stable is EtG/EtS in urine?

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Studies show that EtG/EtS is stable in urine for more than 4 days at room temperature. Recent experiments indicate that heating urine to 100°C actually increased the stability of EtG/EtS. Therefore, heat does not cause the breakdown of EtG/EtS, it actually increases stability. In addition, no artificial formation of EtG/EtS was found to occur following the prolonged storage of urine at room temperature fortified with 1% ethanol. Presence of some bacteria in urine may affect the stability of EtG, but EtS is found to be stable even in the presence of bacteria.

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