NGDB rock sample D319231

Element Measured value Units of measure Analytical method
H2O+ 6.3 percent bound water (unknown method)
H2O- 4.4 percent moisture (unknown method)
CO2 L0.01 percent by weight Titration
Na2O 0.6 percent by weight XRF
MgO 0.3 percent by weight XRF
Al2O3 12.9 percent by weight XRF
SiO2 70.7 percent by weight XRF
P2O5 L0.05 percent by weight XRF
K2O 3.24 percent by weight XRF
CaO 1.15 percent by weight XRF
TiO2 0.17 percent by weight XRF
MnO 0.03 percent by weight XRF
FeO 0.29 percent by weight Titration
FeTO3 1.63 percent Fe2O3 by weight XRF
Rubidium 268 ppm by weight XRF
Strontium 375 ppm by weight XRF
Yttrium 60 ppm by weight XRF
Zirconium 261 ppm by weight XRF
Niobium 59 ppm by weight XRF
Barium 248 ppm by weight XRF
Lanthanum 86 ppm by weight XRF
Cerium 152 ppm by weight XRF