Polifosfatos em detergentes em pó comerciais
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Data de Publicação: | 2001 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Química Nova (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422001000500019 |
Resumo: | A didactic experiment is proposed in order to identify inorganic phosphates in home laundry detergents by ascending paper chromatography. Chemical principles related with hard water are also investigated. The role of polyphosphates in detergent formulations is discussed and the softening of hard water by sodium tripolyphosphate is illustrated. Several chemical concepts, related to the daily experience of the students, can be explored in post-lab discussions. |
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Polifosfatos em detergentes em pó comerciaisinorganic phosphatespaper chromatographydetergentsA didactic experiment is proposed in order to identify inorganic phosphates in home laundry detergents by ascending paper chromatography. Chemical principles related with hard water are also investigated. The role of polyphosphates in detergent formulations is discussed and the softening of hard water by sodium tripolyphosphate is illustrated. Several chemical concepts, related to the daily experience of the students, can be explored in post-lab discussions.Sociedade Brasileira de Química2001-10-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422001000500019Química Nova v.24 n.5 2001reponame:Química Nova (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.1590/S0100-40422001000500019info:eu-repo/semantics/openAccessOsorio,Viktoria Klara LakatosOliveira,Wanda depor2001-11-26T00:00:00Zoai:scielo:S0100-40422001000500019Revistahttps://www.scielo.br/j/qn/ONGhttps://old.scielo.br/oai/scielo-oai.phpquimicanova@sbq.org.br1678-70640100-4042opendoar:2001-11-26T00:00Química Nova (Online) - Sociedade Brasileira de Química (SBQ)false |
dc.title.none.fl_str_mv |
Polifosfatos em detergentes em pó comerciais |
title |
Polifosfatos em detergentes em pó comerciais |
spellingShingle |
Polifosfatos em detergentes em pó comerciais Osorio,Viktoria Klara Lakatos inorganic phosphates paper chromatography detergents |
title_short |
Polifosfatos em detergentes em pó comerciais |
title_full |
Polifosfatos em detergentes em pó comerciais |
title_fullStr |
Polifosfatos em detergentes em pó comerciais |
title_full_unstemmed |
Polifosfatos em detergentes em pó comerciais |
title_sort |
Polifosfatos em detergentes em pó comerciais |
author |
Osorio,Viktoria Klara Lakatos |
author_facet |
Osorio,Viktoria Klara Lakatos Oliveira,Wanda de |
author_role |
author |
author2 |
Oliveira,Wanda de |
author2_role |
author |
dc.contributor.author.fl_str_mv |
Osorio,Viktoria Klara Lakatos Oliveira,Wanda de |
dc.subject.por.fl_str_mv |
inorganic phosphates paper chromatography detergents |
topic |
inorganic phosphates paper chromatography detergents |
description |
A didactic experiment is proposed in order to identify inorganic phosphates in home laundry detergents by ascending paper chromatography. Chemical principles related with hard water are also investigated. The role of polyphosphates in detergent formulations is discussed and the softening of hard water by sodium tripolyphosphate is illustrated. Several chemical concepts, related to the daily experience of the students, can be explored in post-lab discussions. |
publishDate |
2001 |
dc.date.none.fl_str_mv |
2001-10-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422001000500019 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422001000500019 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
10.1590/S0100-40422001000500019 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Química |
publisher.none.fl_str_mv |
Sociedade Brasileira de Química |
dc.source.none.fl_str_mv |
Química Nova v.24 n.5 2001 reponame:Química Nova (Online) instname:Sociedade Brasileira de Química (SBQ) instacron:SBQ |
instname_str |
Sociedade Brasileira de Química (SBQ) |
instacron_str |
SBQ |
institution |
SBQ |
reponame_str |
Química Nova (Online) |
collection |
Química Nova (Online) |
repository.name.fl_str_mv |
Química Nova (Online) - Sociedade Brasileira de Química (SBQ) |
repository.mail.fl_str_mv |
quimicanova@sbq.org.br |
_version_ |
1750318102319464448 |