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. 2018 Oct 16;10(10):1516. doi: 10.3390/nu10101516

Figure 1.

Figure 1

Uric acid crystallization (UAC) test. Six wells of a 12-well plate were used for each sample of urine, with each well containing 5 mL of urine and different amounts of HCL and uric acid. Well #1 had urine alone, well #2 had urine and 50 μL of 2 M HCl (0.1 mmoL H+), well #3 had urine and 50 μL of 6 M HCl (0.3 mmol H+), well #4 had urine and 750 µg uric acid (375 µL of 2 g/L solution), well #5 had urine, 50 μL of 2 M HCl and 750 µg uric acid, and well #6 had urine, 50 mL 6 M HCl and 750 µg uric acid. Uric acid (AU). + means addition of the specified volume of the solution.