دورية أكاديمية

87 Sr/ 86 Sr isotope ratios in rocks determined using inductively coupled plasma tandem mass spectrometry in O 2 mode without prior Sr purification.

التفاصيل البيبلوغرافية
العنوان: 87 Sr/ 86 Sr isotope ratios in rocks determined using inductively coupled plasma tandem mass spectrometry in O 2 mode without prior Sr purification.
المؤلفون: Liu X; Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China., Dong S; Agilent Technologies Co., Ltd (China), Beijing, China., Yue Y; Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China., Guan Q; Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China.; University of Chinese Academy of Sciences, Beijing, China., Sun Y; Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China.; CAS Center for Excellence in Tibetan Plateau Earth Sciences, Chinese Academy of Sciences, Beijing, China., Chen S; Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China.; University of Chinese Academy of Sciences, Beijing, China.; CAS Center for Excellence in Tibetan Plateau Earth Sciences, Chinese Academy of Sciences, Beijing, China., Zhang J; Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China., Yang Y; Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China.; CAS Center for Excellence in Tibetan Plateau Earth Sciences, Chinese Academy of Sciences, Beijing, China.
المصدر: Rapid communications in mass spectrometry : RCM [Rapid Commun Mass Spectrom] 2020 Apr 30; Vol. 34 (8), pp. e8690.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: John Wiley And Sons Ltd Country of Publication: England NLM ID: 8802365 Publication Model: Print Cited Medium: Internet ISSN: 1097-0231 (Electronic) Linking ISSN: 09514198 NLM ISO Abbreviation: Rapid Commun Mass Spectrom Subsets: PubMed not MEDLINE; MEDLINE
أسماء مطبوعة: Publication: Chichester : John Wiley And Sons Ltd
Original Publication: London, UK : Heyden, c1987-
مستخلص: Rationale: An inductively coupled plasma tandem mass spectrometry (ICP-MS/MS) instrument can be developed to determine 87 Sr/ 86 Sr ratios with an external precision better than 0.05% relative standard deviation (RSD) in "mass shift" mode without prior Sr purification. Previous studies suggested using CH 3 F, N 2 O, and SF 6 as reaction gases for this method because a better reaction rate can be achieved with Sr + than with O 2 in the reaction cell. However, these gases are not commonly used in general chemistry laboratories, and processes using these gases are difficult to implement quickly due to regulations. We aim to develop a rapid method that can be applied to many samples for the accurate determination of 87 Sr/ 86 Sr isotope ratios with precision below 0.1% RSD (or approximately to the fourth decimal place).
Methods: We evaluated the accuracy and precision of 87 Sr/ 86 Sr ratios in certified reference materials and different rock types determined using ICP-MS/MS with O 2 as the reaction gas in comparison with those determined using the multicollector inductively coupled plasma mass spectrometry (MC-ICP-MS) method.
Results: This study showed that by using the ICP-MS/MS method, the 87 Sr/ 86 Sr ratios of BCR-2 and BHVO-2 do not vary significantly with and without prior Sr purification; when the Sr concentration of the measured solution is within the range of 60-350 ng/mL, there is no significant effect on the measured 87 Sr/ 86 Sr ratios. The results also showed that the 87 Sr/ 86 Sr ratios of 23 different rock types measured by ICP-MS/MS and MC-ICP-MS methods agree very well.
Conclusions: The precision of the 87 Sr/ 86 Sr ratio measured using ICP-MS/MS varies between 0.0001 and 0.0019 (2SD). This precision is less than that of the MC-ICP-MS method but is sufficient for certain applications, such as identifying 87 Sr/ 86 Sr ratios in different rock types. These results suggest that the developed ICP-MS/MS method has the potential for future studies involving the identification of Sr sources.
(© 2020 John Wiley & Sons, Ltd.)
التعليقات: Erratum in: Rapid Commun Mass Spectrom. 2021 Mar 30;35(6):e9054. (PMID: 33565198)
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معلومات مُعتمدة: 41620104002 National Natural Science Foundation of China; 41771236 National Natural Science Foundation of China; 2019QZKK0707 Second Tibetan Plateau Scientific Expedition and Research; XDA20070201 Strategic Priority Research Program of the Chinese Academy of Sciences; 2018095 Youth Innovation Promotion Association of the Chinese Academy of Sciences
تواريخ الأحداث: Date Created: 20200108 Date Completed: 20200305 Latest Revision: 20210210
رمز التحديث: 20231215
DOI: 10.1002/rcm.8690
PMID: 31908079
قاعدة البيانات: MEDLINE
الوصف
تدمد:1097-0231
DOI:10.1002/rcm.8690