NGDB rock sample M168025

Element Measured value Units of measure Analytical method
Na2O 3.99 percent by weight XRF
MgO 0.16 percent by weight XRF
Al2O3 14.2 percent by weight XRF
SiO2 73.3 percent by weight XRF
P2O5 L0.05 percent by weight XRF
K2O 4.63 percent by weight XRF
CaO 1.05 percent by weight XRF
TiO2 0.08 percent by weight XRF
Chromium L20 ppm by weight XRF
L4 ppm by weight ICP-AES
MnO 0.04 percent by weight XRF
FeO 0.77 percent by weight Titration
FeTO3 1.35 percent Fe2O3 by weight XRF
Nickel L20 ppm by weight XRF
Copper L20 ppm by weight XRF
Zinc 32 ppm by weight XRF
Rubidium 126 ppm by weight XRF
Strontium 108 ppm by weight XRF
108 ppm by weight ICP-AES
Yttrium 40 ppm by weight XRF
9.5 ppm by weight ICP-AES
Zirconium 228 ppm by weight XRF
74 ppm by weight ICP-AES
Niobium 12 ppm by weight XRF
Barium 1650 ppm by weight XRF
1330 ppm by weight ICP-AES
Lanthanum 52 ppm by weight XRF
34.6 ppm by weight ICP-AES
Cerium 72 ppm by weight XRF
61.6 ppm by weight ICP-AES
Praseodymium 6.4 ppm by weight ICP-AES
Neodymium 23.4 ppm by weight ICP-AES
Samarium 4.2 ppm by weight ICP-AES
Europium 0.46 ppm by weight ICP-AES
Gadolinium 3.7 ppm by weight ICP-AES
Terbium L0.5 ppm by weight ICP-AES
Dysprosium 2.1 ppm by weight ICP-AES
Holmium 0.35 ppm by weight ICP-AES
Erbium 1 ppm by weight ICP-AES
Thulium 0.14 ppm by weight ICP-AES
Ytterbium 1.1 ppm by weight ICP-AES
Lutetium 0.17 ppm by weight ICP-AES