DIN EN 12485:2001-10 用于處理人類消費(fèi)用水的化學(xué)品 碳酸鈣、高鈣石灰和半燒白云石 測試方法 DIN EN 12485的英文版本
Chemicals used for treatment of water intended for human consumption - Calcium carbonate, high-calcium lime and half-burnt dolomite - Test methods; English version of DIN EN 12485