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 7. Concentrations of Zr, Nb, Hf and Ta in silicate reference materials < 20191008103817-232412 > pub
measured unit BCR-1 BHVO-1 JB-1b JB-2 JB-3 powder AGV-1 JA-1 JA-2 JA-3 powder
[Zr] a µg/g 189.0 169.0 127.0 46.0 89.4 237.0 81.2 113.0 111.0
[Nb] a µg/g 11.4 16.0 33.4 0.43 1.79 13.4 1.22 8.65 2.86
[Hf] a µg/g 4.73 4.35 3.18 1.45 2.56 5.3 2.47 2.91 3.18
[Ta] a µg/g 0.779 1.17 2.34 0.0327 0.126 0.865 0.107 0.645 0.236
(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
BCR-1 pub powder 20100824093540964.hkitagawa
BHVO-1 pub powder 20130416090323-009811
JB-1b pub powder 20160921102320-366434
JB-2 pub powder 20130416090250-887738
JB-3 powder pub aliquot 1.56 g 20170620122529-773001
AGV-1 pub powder 20130416090329-701068
JA-1 pub powder 20130416090234-228760
JA-2 pub powder 20160921101920-406882
JA-3 powder pub aliquot 1.9 g 20170620122603-026842

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
    technique
    device
    priority
BCR-1 BHVO-1 JB-1b JB-2 JB-3 powder AGV-1 JA-1 JA-2 JA-3 powder