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Table 1a Effect of incubation with 0.4 mol/L sodium hydroxide solution on TUEC in serum, a) Calorimetric study:

From: A new concept for urate in human serum: Colorimetric assay of total urate-equivalent chromogens in human serum

Time of incubation

5

10

15

20

25

30

35

40

Absorbance

0.26

0.34

0.42

0.53

0.55

0.55

0.55

0.55

  1. The color reaction reached its maximum value after 25 minutes incubation.