NGDB rock sample D261727

Element Measured value Units of measure Analytical method
H2O+ 1.89 percent bound water (unknown method)
H2O- L0.01 percent moisture (unknown method)
CO2 2.62 percent by weight Miscellaneous Methods
Na2O 2.3 percent by weight XRF
MgO 1.56 percent by weight XRF
Al2O3 10.7 percent by weight XRF
SiO2 70.8 percent by weight XRF
P2O5 0.12 percent by weight XRF
K2O 2.08 percent by weight XRF
CaO 3.83 percent by weight XRF
TiO2 0.52 percent by weight XRF
Chromium 78 ppm by weight XRF
MnO 0.06 percent by weight XRF
FeO 2.67 percent by weight Titration
FeTO3 3.56 percent Fe2O3 by weight XRF
Rubidium 54 ppm by weight XRF
Strontium 318 ppm by weight XRF
Yttrium 16 ppm by weight XRF
Zirconium 115 ppm by weight XRF
Niobium L10 ppm by weight XRF