Urol Nephrol Open Access J 2016, 3(3): 00078 On addition of nitric acid, it effervesces, assumes a reddish hue, and becomes quite clear, but as it cools, assumes the consistency and appearance which you see. Heat reliquifies it. What is it?” Dr Henry Bence Jones tested the urine sample himself and presumed that the substance, defining unusual properties is “deutoxide of albumin”. Now we know th...