This Korean Industrial Standard specifies all lime for water treatment. Remark Normative reference to this standard is as follows. KS L 9004 Chemical Analysis of Limes.
KS L 9012-1980 history
2019KS L 9012-2019 Quicklime and hydrated lime for water treatment
2008KS L 9012-2008 Quicklime and hydrated lime for water treatment
1980KS L 9012-1980 Quicklime and hydrated lime for water treatment