Stanovení kyseliny acetylsalicylové technikou sekvenční injekční analýzy se spektrofotometrickou detekcí
This diploma thesis is focused on the determination of acetylsalicylic acid using two methods of flow analysis; Flow Injection Analysis (FIA) and Sequential Injection Analysis (SIA) with spectrophotometric detection. The principle of determination is based on the acetylsalicylic acid decomposition t...
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2013
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Online Access: | http://www.nusl.cz/ntk/nusl-324825 |
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ndltd-nusl.cz-oai-invenio.nusl.cz-3248252017-06-28T04:18:00Z Stanovení kyseliny acetylsalicylové technikou sekvenční injekční analýzy se spektrofotometrickou detekcí Determination of acetylsalicylic acid by sequential injection analysis with spectrophotometric detection Vrtalová, Martina Hraníček, Jakub Červený, Václav This diploma thesis is focused on the determination of acetylsalicylic acid using two methods of flow analysis; Flow Injection Analysis (FIA) and Sequential Injection Analysis (SIA) with spectrophotometric detection. The principle of determination is based on the acetylsalicylic acid decomposition to give salicylic ion. This ion reacts subsequently with Fe3+ ion in acidic solution leading to colored chelating complex Fe(SAL)+ . The increase of absorbance of this complex in its absorption maximum was used for analytical determination. Sodium salicylate (sodium salt of acetylsalicylic acid) was used as a standard substance. In the first part of this work, experimental arrangement for flow injection analysis was setup. Continuously the optimization of experimental conditions of acetylsalicylic acid determination was performed to obtain the higher sensitivity. Under the optimal conditions the basic characteristics of determination was measured. In the second part of this work, the commercial experimental instrument FIA Lab 3500 was used for determination. Optimization of experimental conditions and basic characteristic of determination by sequential injection analysis was performed as well. Developed methods for determination of acetylsalicylic acid with selected technique were verified by analyzing... 2013 info:eu-repo/semantics/masterThesis http://www.nusl.cz/ntk/nusl-324825 cze info:eu-repo/semantics/restrictedAccess |
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Dissertation |
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This diploma thesis is focused on the determination of acetylsalicylic acid using two methods of flow analysis; Flow Injection Analysis (FIA) and Sequential Injection Analysis (SIA) with spectrophotometric detection. The principle of determination is based on the acetylsalicylic acid decomposition to give salicylic ion. This ion reacts subsequently with Fe3+ ion in acidic solution leading to colored chelating complex Fe(SAL)+ . The increase of absorbance of this complex in its absorption maximum was used for analytical determination. Sodium salicylate (sodium salt of acetylsalicylic acid) was used as a standard substance. In the first part of this work, experimental arrangement for flow injection analysis was setup. Continuously the optimization of experimental conditions of acetylsalicylic acid determination was performed to obtain the higher sensitivity. Under the optimal conditions the basic characteristics of determination was measured. In the second part of this work, the commercial experimental instrument FIA Lab 3500 was used for determination. Optimization of experimental conditions and basic characteristic of determination by sequential injection analysis was performed as well. Developed methods for determination of acetylsalicylic acid with selected technique were verified by analyzing... |
author2 |
Hraníček, Jakub |
author_facet |
Hraníček, Jakub Vrtalová, Martina |
author |
Vrtalová, Martina |
spellingShingle |
Vrtalová, Martina Stanovení kyseliny acetylsalicylové technikou sekvenční injekční analýzy se spektrofotometrickou detekcí |
author_sort |
Vrtalová, Martina |
title |
Stanovení kyseliny acetylsalicylové technikou sekvenční injekční analýzy se spektrofotometrickou detekcí |
title_short |
Stanovení kyseliny acetylsalicylové technikou sekvenční injekční analýzy se spektrofotometrickou detekcí |
title_full |
Stanovení kyseliny acetylsalicylové technikou sekvenční injekční analýzy se spektrofotometrickou detekcí |
title_fullStr |
Stanovení kyseliny acetylsalicylové technikou sekvenční injekční analýzy se spektrofotometrickou detekcí |
title_full_unstemmed |
Stanovení kyseliny acetylsalicylové technikou sekvenční injekční analýzy se spektrofotometrickou detekcí |
title_sort |
stanovení kyseliny acetylsalicylové technikou sekvenční injekční analýzy se spektrofotometrickou detekcí |
publishDate |
2013 |
url |
http://www.nusl.cz/ntk/nusl-324825 |
work_keys_str_mv |
AT vrtalovamartina stanovenikyselinyacetylsalicylovetechnikousekvencniinjekcnianalyzysespektrofotometrickoudetekci AT vrtalovamartina determinationofacetylsalicylicacidbysequentialinjectionanalysiswithspectrophotometricdetection |
_version_ |
1718474928386211840 |