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An improved measurement of formaldehyde in toothpastes is reported. Free formaldehyde was steam distilled from toothpastes an derivatized with a solution of 2,4-dinitrophenylhidrazine. The corresponding hydrazone was analyzed by High Performance Liquid Chromatography (HPLC) using a C18 column and a...

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Main Author: KURNIASIH (NIM 10704023), CRISCELDA
Format: Final Project
Language:Indonesia
Online Access:https://digilib.itb.ac.id/gdl/view/10146
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Institution: Institut Teknologi Bandung
Language: Indonesia
id id-itb.:10146
spelling id-itb.:101462009-04-14T15:05:38Z#TITLE_ALTERNATIVE# KURNIASIH (NIM 10704023), CRISCELDA Indonesia Final Project INSTITUT TEKNOLOGI BANDUNG https://digilib.itb.ac.id/gdl/view/10146 An improved measurement of formaldehyde in toothpastes is reported. Free formaldehyde was steam distilled from toothpastes an derivatized with a solution of 2,4-dinitrophenylhidrazine. The corresponding hydrazone was analyzed by High Performance Liquid Chromatography (HPLC) using a C18 column and a mixture of acetonitrile-phosphate buffer pH 4.0 (45:55) as mobile phase. The method had been validated by testing its linearity, LOQ, accuracy, and precision. The result showed that this method had higher sensitivity compared to existing method. The validated HPLC method had been used for determination of formaldehyde content in commercial toothpaste. 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 An improved measurement of formaldehyde in toothpastes is reported. Free formaldehyde was steam distilled from toothpastes an derivatized with a solution of 2,4-dinitrophenylhidrazine. The corresponding hydrazone was analyzed by High Performance Liquid Chromatography (HPLC) using a C18 column and a mixture of acetonitrile-phosphate buffer pH 4.0 (45:55) as mobile phase. The method had been validated by testing its linearity, LOQ, accuracy, and precision. The result showed that this method had higher sensitivity compared to existing method. The validated HPLC method had been used for determination of formaldehyde content in commercial toothpaste.
format Final Project
author KURNIASIH (NIM 10704023), CRISCELDA
spellingShingle KURNIASIH (NIM 10704023), CRISCELDA
#TITLE_ALTERNATIVE#
author_facet KURNIASIH (NIM 10704023), CRISCELDA
author_sort KURNIASIH (NIM 10704023), CRISCELDA
title #TITLE_ALTERNATIVE#
title_short #TITLE_ALTERNATIVE#
title_full #TITLE_ALTERNATIVE#
title_fullStr #TITLE_ALTERNATIVE#
title_full_unstemmed #TITLE_ALTERNATIVE#
title_sort #title_alternative#
url https://digilib.itb.ac.id/gdl/view/10146
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