Medical Laboratory Technology Journal
Vol 2, No 2 (2016): periode Desember

Ketepatan Hasil dan Variasi Waktu Pendidihan Pemeriksaan Zat Organik

Haitami, Haitami (Unknown)
Rakhmina, Dinna (Unknown)
Fakhridani, Syahid (Unknown)



Article Info

Publish Date
31 Dec 2016

Abstract

The principle of organic substances determination in water samples is oxidized by an excess amount of KMnO4, then it is reduced excess amount of oxalic acid, the excess of oxalic acid is titrated back with KMnO4. Based on the procedures in ISO 06-6989.22-2004, a length of boiling time for organic substances determination in water samples is for 10 minutes. This study aimed to determine the effect of boiling time length to the accuracy of the organic substances determination result in water samples. This study was true experiment study with comparative study design. Samples were organic substances, specifically oxalic acid in distilled water in a concentration of 54 mg/L, which was examined for the organic substances level with a boiling time of 5, 10 and 15 minutes. The result on each boiling time length consecutively were 52,8 mg/L; 54,5 mg/L; dan 55,1 mg/L. The conclusion of the study was there was effect of boiling time length to the accuracy of organic substances determination result in water samples with the significance value of 0.002 (

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Journal Info

Abbrev

JAK

Publisher

Subject

Chemistry Health Professions Immunology & microbiology Medicine & Pharmacology Public Health

Description

The aim of this journal publication is to disseminate the conceptual thoughts or ideas and research results that have been achieved in the area of medical laboratory sciences. This Journal particularly focuses on the main problems in the development of the sciences of medical laboratory areas. It ...