{"refrec":{"BRefID":281080,"RR":"<b>Van Hulle, M.; Zhang, C.; Zhang, X.; Cornelis, R.</b> (2002). Arsenic speciation in chinese seaweeds using HPLC-ICP-MS and HPLC-ES-MS. <i>Analyst 127(5)</i>: 634-640. <a href=\"https://dx.doi.org/10.1039/b110940e\" target=\"_blank\">https://dx.doi.org/10.1039/b110940e</a>","BEntID":273099,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Analyst 127(5)</i>: 634-640. <a href=\"https://dx.doi.org/10.1039/b110940e\" target=\"_blank\">https://dx.doi.org/10.1039/b110940e</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Van Hulle, M.; Zhang, C.; Zhang, X.; Cornelis, R.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Van Hulle, M. <i>et al.</i>","Englishabstract":"Three common Chinese edible seaweeds, one brown (<i>Laminaria japonica</i>) and two red (<i>Porphyra crispata</i> and <i>Eucheuma denticulatum</i>), were examined for their total arsenic content. The As species were extracted with yields of 76.4, 69.8 and 25.0%, respectively. Anion-exchange and cation-exchange high-performance liquid chromatography (HPLC) in combination with inductively coupled plasma mass spectrometry (ICP-MS) were used for the separation of the different arsenic species in two of the three seaweed extracts (<i>Laminaria</i> and <i>Porphyra</i>). The main arsenic species in the algal extracts are arseno sugars, although it has been shown that the <i>Laminaria</i> seaweed contains significant amounts of dimethylarsinic acid (DMA). HPLC was coupled with electrospray mass spectrometry (ES-MS) for structural confirmation of the arsenic species. The mass spectrometer settings for the arseno sugars were optimised using standards. The conclusions drawn on the basis of HPLC-ICP-MS were confirmed by the HPLC-ES-MS data. The HPLC-ES-MS method is capable of determining both arseno sugars and DMA in the seaweeds. The unknown compounds seen in the HPLC-ICP-MS chromatogram of <i>Laminaria</i> could not be ascribed to trimethylarsenic oxide or tetramethylarsonium ion.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Arsenic speciation in chinese seaweeds using HPLC-ICP-MS and HPLC-ES-MS","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-23 01:32:42.568813","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2002,"MonPub":null,"DateUpdate":"2022-07-13","DateCreate":"2016-10-09","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000175326200013","VABBcode":null,"OpenAcc":0,"DOI":"10.1039/b110940e"},"refs":null,"anarec":{"AnaID":281080,"PubliDate":2002,"Pagination":"634-640","XtraPublOfAnaID":null,"ISBN":null,"Volume":"127","Issue":"5","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42098,"SerRR":"The Analyst. 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