Penentuan Kesadahan Total Air Minum Isi Ulang dan Air Bersih dari Sumur Bor Secara Titrimetris di Laboratorium Dinas Kesehatan Medan

Abstract

Determination of total hardness at drinks water and cleans water choosed which is artesian well in Depatement Research Laboratory Medan has been carried out by titration. The result is obtained. The total hardness for drinks water range 4,0 mg/l- 19,2 mg/l and for cleans water range 9,2 mg/l – 86,8mg/l. This is result is appropriate with rule of minister of Health Republic Indonesia No. 492/ Menkes/ Per/ IV/ 2010 maximum rate enabled for the total hardness at drinking water and clean water, still stay in govermant regulation.