NGDB rock sample M186072

Element Measured value Units of measure Analytical method
LOI 1.68 percent by weight (unknown method)
H2O+ 1.62 percent bound water (unknown method)
H2O- 0.25 percent moisture (unknown method)
CO2 0.02 percent by weight Titration
Na2O 2.1 percent by weight XRF
MgO 4.07 percent by weight XRF
Al2O3 19.6 percent by weight XRF
SiO2 50.2 percent by weight XRF
P2O5 0.15 percent by weight XRF
K2O 0.57 percent by weight XRF
CaO 10.8 percent by weight XRF
TiO2 0.87 percent by weight XRF
Chromium 20 ppm by weight XRF
MnO 0.16 percent by weight XRF
FeO 6.03 percent by weight Titration
FeTO3 10.4 percent Fe2O3 by weight XRF
Nickel L20 ppm by weight XRF
Copper 28 ppm by weight XRF
Zinc 82 ppm by weight XRF
Rubidium 14 ppm by weight XRF
Strontium 355 ppm by weight XRF
Yttrium 18 ppm by weight XRF
Zirconium 52 ppm by weight XRF
Niobium L10 ppm by weight XRF
Barium 260 ppm by weight XRF
Lanthanum 44 ppm by weight XRF
Cerium 30 ppm by weight XRF