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
Ironstone. Ironstone is a type of stoneware, though it's made to be somewhat lighter and less dense. Originally, ironstone was created as a stronger alternative to porcelain, and it will withstand the heat of microwave and conventional ovens.Ironstone can even be placed in a dishwasher.ifferences. Stoneware is always heavy and dense by nature, while earthenware can be made very thin and lightweight. Unlike earthenware, stoneware is non-porous and it isn't necessary, that it be glazed to protect its surface.