Tag Archives: อุปกรณ์วัดแคลเซียม

อุปกรณ์วัดแคลเซียม (Checker®HC Handheld Colorimeter – Calcium)

HI 758 Checker®HC Handheld Colorimeter – Calcium Calcium presence in water supplies results from passage over deposits of limestone, dolomite, gypsum and gypsiferous shale. Its concentration may extend from 0 to several hundred milligrams per liter,depending on its source and treatment. Calcium is necessary in plant and animal nutrition since it is an essential constituent of bones, shells and plant structures. Calcium ... Read More »

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