NGDB rock sample W189425

Element Measured value Units of measure Analytical method
H2O+ 1.6 percent bound water (unknown method)
H2O- 0.09 percent moisture (unknown method)
CO2 0.02 percent by weight Titration
Na2O 1.6 percent by weight AA
MgO 9.1 percent by weight AA
Al2O3 13.9 percent by weight Colorimetry
SiO2 45.3 percent by weight Colorimetry
P2O5 0.31 percent by weight Colorimetry
K2O 1 percent by weight AA
CaO 12.6 percent by weight AA
TiO2 1.2 percent by weight Colorimetry
MnO 0.16 percent by weight Colorimetry
Fe2O3 6 percent by weight Colorimetry
FeO 6.4 percent by weight Titration