| measured |
value |
uncertainty |
unit |
|
| 138Ce/142Ce |
0.0225652 |
4.0e-07 |
|
|
tables:
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Table 4-5. Analytical Results for Boron (μg g-1) in Standard Rocks and Allende Meteorites by ID-FI-ICPMS of Akio Makishima (1997) Determination of boron in silicate samples by direct aspiration of sample HF solutions into ICPMS, Analytical Chemistry, 69, 3754-3759.
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Table 7. Concentrations of Zr, Nb, Hf and Ta in silicate reference materials of Akio Makishima (1999) Determination of Zirconium, Niobium, Hafnium and Tantalum at ng g‐1 Levels in Geological Materials by Direct Nebulisation of Sample HF Solution into FI‐ICP‐MS, Geostandards Newsletter, 23, 7-20.
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Table 8. Grand average of Mo, Sb and W concentrations in basalt and andesite reference materials of Akio Makishima (1999) Determination of molybdenum, antimony and tungsten at sub microgram per gram levels in geological materials by ID-FI-ICP-MS, Geostandards Newsletter, 23, 137-148.
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Table 4 TiO2 content in silicate reference materials obtained by ID-FI-HR-ICPMS of Akio Makishima (2000) Determination of titanium at microgram per gram levels in milligramamounts of silicate materials by isotope dilution highresolution inductively coupled plasma mass spectrometry with flow injection, Journal of Analytical Atomic Spectrometry, 15, 263-267.
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Table 4. Analytical Results for Sulfur (μg g-1) in Standard Reference Materials and in Smithsonian Reference Allende Powder by ID-FI-ICPMS of Akio Makishima (2001) Determination of total sulfur at microgram per gram levels in geological materials by oxidation of sulfur into sulfate with in situ generation of bromine using isotope dilution high resolution ICPMS, Analytical Chemistry, 73, 2547 – 2553.
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Table 6. Lead isotope compositions of standard rock samples of Takeshi Kuritani (2002) Precise isotope analysis of nanogram-level Pb for natural rock samples without use of double spikes, Chemical Geology, 186, 31-43.
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Table 7.Chromium, Ni, Cu and Zn contents (μg g-1) in geological reference materials obtained by ID-HR-ICP-MS of Makishima, Akio (2002) Determination of Chromium, Nickel, Copper and Zinc in Milligram Samples of Geological Materials Using Isotope Dilution High Resolution Inductively Coupled Plasma-Mass Spectrometry, Geostandards Newsletter, 26, 41-51.
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Table 5. Trace element concentrations in BCR-1, JB-1, JB-2 and JB-3 of Akio Makishima (1997) Suppression of matrix effects in ICP-MS by high power operationof 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, Geostandards Newsletter, 21, 307-319.
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Tabel 5. Analytical results of analyses of BCR-1 of Makishima, Akio (1991) Precise measurement of cerium isotope composition in rock samples, Chemical Geology: Isotope Geoscience section, 94, 1-11.
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