PENETAPAN KADAR ASAM BORAT DAN ZINK SULFAT DALAM OBAT TETES MATA DENGAN CARA MIKROTITRASI

<b>Abstract:<p align=\"justify\"> <br /> <br /> Methods of quantitative analysis for boric acid and zink sulphate in an opthalmic solution by secondary coulometric and potensiometric titration were studied. <br /> <br /> The end point of coulometr...

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主要作者: Fitrileni
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語言:Indonesia
在線閱讀:https://digilib.itb.ac.id/gdl/view/4783
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機構: Institut Teknologi Bandung
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spelling id-itb.:47832006-03-21T15:38:36ZPENETAPAN KADAR ASAM BORAT DAN ZINK SULFAT DALAM OBAT TETES MATA DENGAN CARA MIKROTITRASI Fitrileni Indonesia Theses INSTITUT TEKNOLOGI BANDUNG https://digilib.itb.ac.id/gdl/view/4783 <b>Abstract:<p align=\"justify\"> <br /> <br /> Methods of quantitative analysis for boric acid and zink sulphate in an opthalmic solution by secondary coulometric and potensiometric titration were studied. <br /> <br /> The end point of coulometri method for boric acid in opthalmic solution was determined based on the pH of the equivalent point and the theoretical time of titrant generation. Manitol was added to the precusor solution. The recovery was 100.64 ± 1,86%. The quantitation limit of this method was 1 µmot <br /> <br /> Zinc sulphate couldnot be determined by coulometric titration because the reaction of zinc ion with ethylendiamineacetate is disturbed by the reaction at the anode of generator electrode which could not be separated yet. Thereafter, zinc sulphate was determined in acetate buffer solution of pH 4.6 by complexometric microtitration with the end point determined by potentiometry. The result showed that the recovery was 95.41 ± 4.55 %. The quantitative limit this method was 10 µmol. text
institution Institut Teknologi Bandung
building Institut Teknologi Bandung Library
continent Asia
country Indonesia
Indonesia
content_provider Institut Teknologi Bandung
collection Digital ITB
language Indonesia
description <b>Abstract:<p align=\"justify\"> <br /> <br /> Methods of quantitative analysis for boric acid and zink sulphate in an opthalmic solution by secondary coulometric and potensiometric titration were studied. <br /> <br /> The end point of coulometri method for boric acid in opthalmic solution was determined based on the pH of the equivalent point and the theoretical time of titrant generation. Manitol was added to the precusor solution. The recovery was 100.64 ± 1,86%. The quantitation limit of this method was 1 µmot <br /> <br /> Zinc sulphate couldnot be determined by coulometric titration because the reaction of zinc ion with ethylendiamineacetate is disturbed by the reaction at the anode of generator electrode which could not be separated yet. Thereafter, zinc sulphate was determined in acetate buffer solution of pH 4.6 by complexometric microtitration with the end point determined by potentiometry. The result showed that the recovery was 95.41 ± 4.55 %. The quantitative limit this method was 10 µmol.
format Theses
author Fitrileni
spellingShingle Fitrileni
PENETAPAN KADAR ASAM BORAT DAN ZINK SULFAT DALAM OBAT TETES MATA DENGAN CARA MIKROTITRASI
author_facet Fitrileni
author_sort Fitrileni
title PENETAPAN KADAR ASAM BORAT DAN ZINK SULFAT DALAM OBAT TETES MATA DENGAN CARA MIKROTITRASI
title_short PENETAPAN KADAR ASAM BORAT DAN ZINK SULFAT DALAM OBAT TETES MATA DENGAN CARA MIKROTITRASI
title_full PENETAPAN KADAR ASAM BORAT DAN ZINK SULFAT DALAM OBAT TETES MATA DENGAN CARA MIKROTITRASI
title_fullStr PENETAPAN KADAR ASAM BORAT DAN ZINK SULFAT DALAM OBAT TETES MATA DENGAN CARA MIKROTITRASI
title_full_unstemmed PENETAPAN KADAR ASAM BORAT DAN ZINK SULFAT DALAM OBAT TETES MATA DENGAN CARA MIKROTITRASI
title_sort penetapan kadar asam borat dan zink sulfat dalam obat tetes mata dengan cara mikrotitrasi
url https://digilib.itb.ac.id/gdl/view/4783
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