Analisa Zat Organik pada Air Minum dan Air Bersih dengan Metode Titrasi Permanganometri di Balai Teknik Kesehatan Lingkungan dan Pengendalian Penyakit (BTKL&PP) Kelas 1 Medan.

Abstract

Has conducted analysis of organic substances in drinking water and clean water that comes from wells in villages pasar 4 Mabar districts Medan Deli. Organic matter also called parameter value permanganate. Analysis of organic substances by titration methods permanganometry under acidic conditions, wherein the organic substances in the water is oxidized with potassium permanganate and oxalic acid is reduced by the excess, the excess oxalic acid is titrated back with potassium permanganate. Where the endpoint is characterized by changing the solution becomes pink. Obtained results of analysis of organic substances in drinking water is 3.476 mg/L, 3.160 mg/L and 3.507 mg/L. And the clean water obtained 2.212 mg/L, 3.476 mg/L and 2.844 mg/L. Where the requirements of organic substances by PERMENKES 416/Menkes/Per/IX/1990 the maximum value for the parameter of organic substances in water is 10 mg/L. The results of the two samples above all meet the requirements in accordance with PERMENKES 416/Menkes/Per/IX/1990.