BH GSO EN 12485:2015 用于處理供人類飲用的水的化學品 碳酸鈣、高鈣石灰、半燒白云石、氧化鎂和碳酸鈣鎂 測試方法
Chemicals Used for Treatment of Water Intended for Human consumption — Calcium Carbonate, High-Calcium Lime , Half-Burnt Dolomite, Magnesium Oxide and Calcium Magnesium Carbonate – Test Methods