Akio Makishima et al. (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, doi:10.1111/j.1751-908X.1999.tb00555.x. < 20191008101034-927445 > pub
Table 9. Concentrations of Zr, Nb, Hf and Ta (µg g -1 ) in Smithsonian reference Allende powder by FI-ICP-MS < 20191008110232-122513 > pub
measured unit Allende-12
[Zr] a µg/g 6.24
[Nb] a µg/g 0.375
[Hf] a µg/g 0.188
[Ta] a µg/g 0.0203
(a) determined by Q-ICP-MS_procedures of Makishima and Nakamura (1997, 1999, 2006) on ICPMS Yokogawa PMS2000
name physical-form quantity unit global-id
Allende-12 pub aliquot 0.51212 g 20071216135000.en

The table is created from analysis shown below. The rowname Zr-Nb-Hf-Ta (Max et al., 1999) filters out analysis. Upper analysis has priority.To list more analysis, add a stone in stone sub-tab.

  • name