NGDB rock sample M186050

Element Measured value Units of measure Analytical method
LOI 3.62 percent by weight (unknown method)
H2O+ 2.04 percent bound water (unknown method)
H2O- 1.26 percent moisture (unknown method)
CO2 0.02 percent by weight Titration
Na2O 2.54 percent by weight XRF
MgO 0.54 percent by weight XRF
Al2O3 12.5 percent by weight XRF
SiO2 72.1 percent by weight XRF
P2O5 0.06 percent by weight XRF
K2O 3.89 percent by weight XRF
CaO 1.97 percent by weight XRF
TiO2 0.14 percent by weight XRF
Chromium L20 ppm by weight XRF
MnO 0.03 percent by weight XRF
FeO 0.27 percent by weight Titration
FeTO3 1.69 percent Fe2O3 by weight XRF
Nickel L20 ppm by weight XRF
Copper L20 ppm by weight XRF
Zinc 40 ppm by weight XRF
Rubidium 90 ppm by weight XRF
Strontium 465 ppm by weight XRF
Yttrium 10 ppm by weight XRF
Zirconium 110 ppm by weight XRF
Niobium L10 ppm by weight XRF
Barium 1300 ppm by weight XRF
Lanthanum L30 ppm by weight XRF
Cerium 50 ppm by weight XRF