{"refrec":{"BRefID":285733,"RR":"<b>de Gois, J.S.; Costas-Rodriguez, M.; Vallelonga, P.; Borges, D.L.G.; Vanhaecke, F.</b> (2016). A simple method for high-precision isotopic analysis of chlorine via pneumatic nebulization multi-collector inductively coupled plasma-mass spectrometry. <i>J. Anal. At. Spectrom. 31(2)</i>: 537-542. <a href=\"https://dx.doi.org/10.1039/c5ja00408j\" target=\"_blank\">https://dx.doi.org/10.1039/c5ja00408j</a>","BEntID":277758,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>J. Anal. At. Spectrom. 31(2)</i>: 537-542. <a href=\"https://dx.doi.org/10.1039/c5ja00408j\" target=\"_blank\">https://dx.doi.org/10.1039/c5ja00408j</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"de Gois, J.S.; Costas-Rodriguez, M.; Vallelonga, P.; Borges, D.L.G.; Vanhaecke, F.","OrigTitleTranslFlag":0,"Authorstringtrunc":"de Gois, J.S. <i>et al.</i>","Englishabstract":"Chlorine isotope ratio measurement using multi-collector ICP-mass spectrometry (MC-ICP-MS) with sample introduction using traditional pneumatic nebulization suffers from spectral interference in addition to low sensitivity. Pronounced memory effects may jeopardize the accuracy of the results and/or the sample throughput. In this work, these limitations were overcome by using (i) high mass resolution (mass resolving power of about 10 000) to resolve spectral interference, (ii) 5 mmol L<sup>−1</sup> NH<sub>4</sub>OH as wash solution to avoid memory effects and (iii) a Cl concentration of ≥70 mg L<sup>−1</sup>. The major cation load of seawater and chloride salts (NaCl, KCl) sample solutions was efficiently removed without affecting the original isotopic composition of Cl <i>via</i> cation exchange chromatography with Dowex® 50WX8 resin. The method developed was demonstrated to be accurate and precise, as attested by the measurement result for the <sup>37</sup>Cl/<sup>35</sup>Cl isotope ratio in NIST SRM 975a (experimental value of 0.319765 ± 0.000022, compared to a reference value of 0.319768 ± 0.000187 and a precision of ∼0.007% RSD, <i>n</i> = 3), additionally, the <i>δ</i><sup>37</sup>Cl value (<i>vs.</i> standard mean ocean chlorine, SMOC) was determined for five different standards; the values ranged from −0.54 to +0.89‰.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"A simple method for high-precision isotopic analysis of chlorine via pneumatic nebulization multi-collector inductively coupled plasma-mass spectrometry","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-22 01:31:57.526199","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2016,"MonPub":null,"DateUpdate":"2017-05-30","DateCreate":"2017-05-16","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000370163400021","VABBcode":null,"OpenAcc":0,"DOI":"10.1039/c5ja00408j"},"refs":null,"anarec":{"AnaID":285733,"PubliDate":2016,"Pagination":"537-542","XtraPublOfAnaID":null,"ISBN":null,"Volume":"31","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45606,"SerRR":"Journal of Analytical Atomic Spectrometry. Royal Society of Chemistry: London.  ISSN 0267-9477; e-ISSN 1364-5544","StandardTitleSer":"Journal of Analytical Atomic Spectrometry","ISSN":"0267-9477","AbbrevSer":"J. Anal. At. 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