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Urine should be spun at a slow speed. Most centrifuges have a radial arm of ~14.5 cm and should be spun at ~1,500 rpm (with a range of 1,000−2,000 rpm) for ~5 minutes (with a range of 3-5 minutes, longer time for slower speeds). Centrifuging the urine at too high of a speed or for a prolonged amount of time can cause artifacts such as cell rupture and cast fragmentation.

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Q: What is the time and speed to centrifuge urine?
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