Wiley

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Chemical Characterisation of the USGS Reference Glasses GSA-1G, GSC-1G, GSD-1G, GSE-1G, BCR-2G, BHVO-2G and BIR-1G Using EPMA, ID-TIMS, ID-ICP-MS and LA-ICP-MS
Wiley - Tập 29 Số 3 - Trang 285-302 - 2005
Klaus Peter Jochum, Matthias Willbold, Ingrid Raczek, Brigitte Stoll, K. Herwig
Phân Tích Định Lượng Đối Tượng Vi Lượng Trong Mẫu Địa Chất Sử Dụng Phương Pháp Tiêm Dòng Và Nhúng Tầng Áp Suất Thấp Kết Hợp Với ICP-MS: Nghiên Cứu Về Các Vật Liệu Tham Chiếu Địa Hóa BR, DR-N, UB-N, AN-G Và GH Dịch bởi AI
Wiley - Tập 25 Số 2-3 - Trang 187-198 - 2001
Jean Carignan, Pascal Hild, Guy Mevelle, Jacques Morel, Delphine Yeghicheyan
Chúng tôi mô tả các quy trình phân tích cho việc xác định các nguyên tố vi lượng được phát triển tại CNRS Service d'Analyse des Roches et des Minéraux (SARM) và báo cáo kết quả thu được cho năm vật liệu tham chiếu địa hóa: bazan BR, điôrit DR‐N, serpentinit UB‐N, anorthosit AN‐G và granit GH. Kết quả cho các nguyên tố đất hiếm, U và Th cũng được báo cáo cho các vật liệu tham chiếu khác bao...... hiện toàn bộ
Determination of Selenium Concentration in Sixty Five Reference Materials for Geochemical Analysis by GFAAS after Separation with Thiol Cotton
Wiley - Tập 25 Số 2-3 - Trang 317-324 - 2001
Luc Marin, Jitka Lhomme, Jean Carignan
Selenium has been determined in sixty five geological reference materials of different origins by graphite furnace atomic absorption spectrometry. Samples were decomposed with a mixture of nitric and hydrofluoric acids. Selenium was reduced to SeIV with hydrochloric acid, and then fixed and separated from the matrix on thiol cotton. After digestion of the thiol cotton ...... hiện toàn bộ
Determination of Multiple Trace Element Compositions in Thin (> 30 ?m) Layers of NIST SRM 614 and 616 Using Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry (LA-ICP-MS)
Wiley - Tập 29 Số 1 - Trang 107-122 - 2005
Tomoaki Morishita, Yoshito Ishida, Shoji Arai, M. Shirasaka
1982 Compilation of Elemental Concentrations in Eleven United States Geological Survey Rock Standards
Wiley - Tập 7 Số 1 - Trang 3-6 - 1983
Ernest S. Gladney, C.E. Burns, I. Roelandts
Elemental composition data on eight older (AGV‐1, BCR‐1, DTS‐1, G‐1, G‐2, GSP‐1, PCC‐1 and W‐1) and three newer (BIR‐1, DNC‐1 and W‐2) USGS rock standards have been collected from institutional reports and journal articles from 1972–1981. This collection was combined with data from previous compilations and “consensus values” for up to 79 elements determined by comparing overall means, med...... hiện toàn bộ
Determination of Forty Two Major and Trace Elements in USGS and NIST SRM Glasses by Laser Ablation‐Inductively Coupled Plasma‐Mass Spectrometry
Wiley - Tập 26 Số 2 - Trang 181-196 - 2002
Shan Gao, Xiaomin Liu, Honglin Yuan, Bodo Hattendorf, Detlef Günther, Liang Chen, Shenhong Hu
Forty two major (Na, Mg, Ti and Mn) and trace elements covering the mass range from Li to U in three USGS basalt glass reference materials BCR‐2G, BHVO‐2G and BIR‐1G were determined using laser ablation‐inductively coupled plasma‐mass spectrometry. Calibration was performed using NIST SRM 610 in conjunction with internal standardisation using Ca. Determinations were also made on NIST SRM 6...... hiện toàn bộ
SIMULTANEOUS DETERMINATION OF THIRTY‐SEVEN TRACE ELEMENTS IN TWENTY‐EIGHT INTERNATIONAL ROCK STANDARDS BY ICP‐MS
Wiley - Tập 17 Số 1 - Trang 81-97 - 1993
Dieter Garbe‐Schönberg
Thirty‐seven trace elements, including rare‐earth elements, have been determined by ICP‐MS in twenty‐eight international rock standards using routine sample preparation techniques. Samples were decomposed by either pressurized HF‐HCIO4‐aqua regia attack, or by lithium borate fusion. Generally, the ICP‐MS data for geological rock standards presented here agree well with...... hiện toàn bộ
Suppression of Matrix Effects in ICP‐MS by High Power Operation of ICP: Application to Precise Determination of Rb, Sr, Y, Cs, Ba, REE, Pb, Th and U at ng g‐1 Levels in Milligram Silicate Samples
Wiley - Tập 21 Số 2 - Trang 307-319 - 1997
Akio Makishima, Eizo Nakamura
We found that the suppression of signals for 88Sr, 140Ce and 238U in rock solution caused by rock matrix in ICP‐MS (matrix effects) was reduced at high power operation (1.7 kW) of the ICP. To make the signal suppression by the matrix negligible, minimum dilution factors (DF) of the rock solution for Sr, Ce and U were 600, 400 a...... hiện toàn bộ
Intercomparison of Boron Isotope and Concentration Measurements. Part II: Evaluation of Results
Wiley - Tập 27 Số 1 - Trang 41-57 - 2003
Roberto Gonfiantini, S. Tonarini, Manfred Gröning, A. Adorni-Braccesi, Essam A. Al‐Ammar, Marcus Astner, Sebastien Bächler, Ramón M. Barnes, R.L. Bassett, Alain Cocherie, Annette Deyhle, Andréa Dini, G. Ferrara, Jérôme Gaillardet, J. Grimm, Catherine Guerrot, Urs Krähenbühl, Graham D. Layne, Damien Lemarchand, Anette Meixner, D. J. Northington, Maddalena Pennisi, Eva Reitznerová, Ilia Rodushkin, N. Sugiura, Regina Surberg, Sabine Tonn, Michael Wiedenbeck, Samuel Wunderli, Yingkai Xiao, Thomas Zack
The Istituto di Geoscienze e Georisorse (IGG), on behalf and with the support of the International Atomic Energy Agency (IAEA), prepared eight geological materials (three natural waters and five rocks and minerals), intended for a blind interlaboratory comparison of measurements of boron isotopic composition and concentration. The materials were distributed to twenty seven laboratories ‐ v...... hiện toàn bộ
A Compilation of New and Published Major and Trace Element Data for NIST SRM 610 and NIST SRM 612 Glass Reference Materials
Wiley - Tập 21 Số 1 - Trang 115-144 - 1997
Nicholas J.G. Pearce, William H. Perkins, John A. Westgate, Michael P. Gorton, Simon E. Jackson, C. R. Neal, Simon Chenery
Microanalytical trace element techniques (such as ion probe or laser ablation ICP‐MS) are hampered by a lack of well characterized, homogeneous standards. Two silicate glass reference materials produced by National Institute of Standards and Technology (NIST), NIST SRM 610 and NIST SRM 612, have been shown to be homogeneous and are spiked with up to sixty one trace elements at nominal conc...... hiện toàn bộ
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