I WONDER - How Was Urine Used In Ancient Times? Me Pregunto - Cómo Se Usaba La Orina En La Antigüedad?

The video discusses how ancient ancestors, particularly the Romans, ingeniously used natural ingredients like urine to dye materials. Urine, containing ammonia, served as an effective mordant, helping dyes adhere to fabrics and preventing fading. Despite sounding unpleasant, this method was quite smart and effective.

What chemical found in urine acts as a good mordant?

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Why might the use of urine in dyeing be considered smart despite its unpleasantness?

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