Polifosfatos em detergentes em pó comerciais

Detalhes bibliográficos
Autor(a) principal: Osorio,Viktoria Klara Lakatos
Data de Publicação: 2001
Outros Autores: Oliveira,Wanda de
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.
id SBQ-3_72172c1159149aaa8814b37504dea5fd
oai_identifier_str oai:scielo:S0100-40422001000500019
network_acronym_str SBQ-3
network_name_str Química Nova (Online)
repository_id_str
spelling 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