Leaching of nickel and the other elements from kettle by domestic using

摘要

This contribution is focused on the concentration of metals mainly nickel dissolved to water from kettles. The limit value of Ni for drinking water mentioned in the DWD No. 98/83/ES. set maximum permissible limit (MPL) 20ug/l. In general, the Ni concentration in Czech Republic's drinking water is not high. In recent years attention to the release (dissolution) of Ni from water bacteria was given, where significant presences especially in first part of the sample after long (eg. night or week end) stagnation, furthermore the Ni presentation in hot waters where the requirement is the same as for drinking water. The third area is that the possibility of Ni dissolution from kittle referred in the foreign literatures.