If it is positive, then you may have a hepatitis B infection. This test may have to be repeated to confirm whether you have a chronic infection. 2. Hepatitis B surface Antibody (HBsAb or anti-HBs) - this tests for the surface antibody that your immune system makes to fight off the virus.
Rottenstone definition, a friable stone resulting from the decomposition of a siliceous limestone, used as a powder for polishing metals. See more. Dictionary.com
Rotten egg is the term often used to describe hydrogen sulfide (H. 2. S) in the wine matrix. This. compound has a low sensory threshold and can be detected at levels between 0.9 â 1.5 ppb, although if present at lower levels, the fruity notes of the wine may be dulled. Sulfur based.