1988 values for GSJ rock reference samples, "Igneous rock series".

Ando, Atsushi; Kamioka, Hikari; Terashima, Shigeru; Itoh, Sadahiko

doi:10.2343/geochemj.23.143

Cited by 126 publications

(54 citation statements)

References 6 publications

(5 reference statements)

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“…REE concentrations determined by HPIC in this study for JB-1 coincide closely with the "recommended values" in the compilatio n of Govindaraju (1989). Although those determined for JG-1 and the 13 members of the "Igneous rock series" are generally in broad agreement with the proposed values reported by Ando (1988) and Govindaraju (1989), there are numerous significant discrepancies. In the latter instances, the smooth and more coherent trends of the HPIC data when plotted on chondrite-nor malised REE diagrams contrasts with more erratic patterns of the published values, in dicating the likely greater accuracy of the HPIC values.…”

Section: Introductionsupporting

confidence: 69%

“…These include each of the rare earth elements (lanthanide series) with the excep tion of Pr (JG-1) and Tm (JB-1, JG-1). The later GSJ "Igneous rock series" (Ando 1989), comprising 13 igneous rock and two mineral (feldspar) reference samples, is less well characterised, having been assigned no "recom mended values" by Govindaraju (1989). These later GSJ reference samples are, however, of merit as they span a significantly greater range of compositions than did the original two samples, and better characterisation of their rare-earth ele ment (REE) content is therefore of value to analysts in the earth sciences.…”

Section: Introductionmentioning

confidence: 99%

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The rare-earth element content of GSJ rock reference samples determined by gradient ion chromatography.

Watkins¹,

Roex²

1992

Geochem. J.

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Eleven of the rare earth elements (lanthanide series) have been determined in fifteen Geological Survey of Japan igneous reference samples by high performance ion chromatography (HPIC). Multiple analysis of each reference sample was undertaken to provide the best possible data. The technique, which employs chelating agents to permit the separation of individual rare-earth elements as anionic complexes, has a reproducibility of <4%. With the use of on-line sample solution concentration, detec tion limits of 0.1 ppb were possible, enabling the satisfactory analysis of rare-earth element impover ished samples such as feldspars JF-1 and JF-2, and peridotite JP-1. The results for the very well character ised sample JB-1 are in close agreement with published recommended values. Whereas our results for JG-1 and thirteen currently available members of the second "Igneous rock series" are generally in broad agreement with published values, in a majority of cases there are significant differences in one or more elements. In each case where significant discrepancy exists, the smooth and highly coherent pat terns of the HPIC data when plotted on chondrite-normalised rare-earth element diagrams, contrasts with the more erratic patterns for the published values, suggesting the likely greater accuracy of the HPIC data.

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Section: Introductionsupporting

confidence: 69%

Section: Introductionmentioning

confidence: 99%

The rare-earth element content of GSJ rock reference samples determined by gradient ion chromatography.

Watkins¹,

Roex²

1992

Geochem. J.

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“…Secondary ion intensities, corrected for natural isotopic abundances, were normalized to the intensity of Si. Relationships between the in tensity ratio and concentration ratio (on the weight-for-weight basis) of recommended values (Ando et al, 1989) against Si are presented in Fig. 1 All of the values of secondary ion intensity ratios produce linear relationships when plotted against concentration ratios within uncertainties of measurement.…”

Section: Generalmentioning

confidence: 99%

“…-2% 11% 10% 1% 6% 21% 4% 59% 4% 10% 11% 6% 7% 20% 7% 7% 10% 84% 4% 1% 6% 3% 7% 17% 11% 9% 12% 7% 4% 82% 20% 29% 10% 10% 1% 27% 4% 26% 28% -6% -7% -2% -27% 6% 1% -43% -10% -10% -20% 20% 84% 97% 0% 1% -323% 9% -11% -17% 6% 9% -6% 71% 30% 23% 29% 35% 20% -17% 20% 1% 19% 32% 15% 20% 16% 26% 34% GSJ88: recom,m ended value of Ando et al (1989) . Concentrations for major elements are calculated from the oxide forms .…”

Section: %mentioning

confidence: 99%

Quantitative SIMS analysis of GSJ rock reference samples.

et al. 1989

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Quantitative micro-analysis of silicate glasses has been developed using secondary ion mass spec trometry (SIMS). The standard rock references, issued by the Geological Survey of Japan (GSJ), were fused into glass beads and used as standards for SIMS analysis. Thirty eight elements at major, minor and trace concentration levels, were analyzed simultaneously on the standard glasses using an energy filtering technique. In the concentration range of the glass standards, linear relationships were establish ed for the following elements: Li, Be, B, Na, Mg, Al, P, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Cu, Rb, Sr, Y, Zr, Cs, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu and HE The typical accuracy of the analyses are within 10% of recommended values of GSJ standards for the elements over 1 ppm.

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“…About 50 mg of powder sample was used in each analysis. The values recommended by Ando et al (1989) are also shown. tassium contents lower than 1 ppm for the pre pared solutions.…”

Section: Ophiolitementioning

confidence: 99%