Af-4B < 20210127045432-676238 > pub
- technique: XRF procedures of Takei (2002)
- device: XRF PANalytical PW2400
- operator: Kuritani
- modified at 2021-01-27
- stone: Af 4b
| measured | value | uncertainty | unit | description | |
|---|---|---|---|---|---|
| [SiO2] | 57.98 | % | |||
| [TiO2] | 0.85 | % | |||
| [Al2O3] | 17.74 | % | |||
| [Fe2O3T] | 6.71 | % | |||
| [MnO] | 0.13 | % | |||
| [MgO] | 3.64 | % | |||
| [CaO] | 6.74 | % | |||
| [Na2O] | 4.29 | % | |||
| [K2O] | 1.18 | % | |||
| [P2O5] | 0.3 | % | |||
| total | 99.54 | % | |||
| [LOI] | 0.19 | % | |||
| [Cr] | 40.8 | µg/g | |||
| [Ni] | 28.7 | µg/g | |||