Round robin tests XRF-analysis XRF Round-robin test NRCGA-CAGS, China - Marines Sediment ES-ZJ1
Study organized by:
National Research Center for Geoanalysis - Chinese Academy of Geological Sciences
Material of proficiency test:
ES-ZJ1 (Marines Sediment)
Study finished:
2010 - 11
Literature:
Zertifikat Ringversuchsveranstalter
major elements [wt %]
| CRB | RV | 1sRV | Z-Score | |
| Na₂O | 1,350 | 2,540 | 0,050 | |
| MgO | 1,730 | 1,760 | 0,030 | |
| Al₂O₃ | 15,720 | 15,650 | 0,130 | |
| SiO₂ | 59,900 | 59,900 | 0,180 | |
| P₂O5 | 0,131 | 0,130 | 0,004 | |
| SO₃ | 0,440 | 0,470 | ||
| K₂O | 2,420 | 2,470 | 0,040 | |
| CaO | 2,050 | 2,070 | 0,020 | |
| TiO₂ | 0,994 | 1 | 0,010 | |
| Fe₂O₃ tot. | 6,410 | 6,570 | 0,090 | |
| MnO | 0,094 | 0,090 | 0,002 | |
| L.O.I.* | 8,630 |
trace elements [µg/g]
| CRB | RV | 1sRV | Z-Score | |
| As | 30,00 | 18,90 | 0,10 | |
| Ba | 335,00 | 335,00 | 6,00 | |
| Br | 54,00 | 55,60 | ||
| Ce | 50,00 | 49,00 | 2,20 | |
| Cl [%] | 0,965 | 0,94 | ||
| Co | 16,00 | 16,70 | 0,50 | |
| Cr | 89,00 | 80,60 | 3,00 | |
| Cu | 39,00 | 37,00 | 0,60 | |
| F [%] | 0,089 | 0,09 | ||
| Ga | 20,00 | 22,00 | 1,30 | |
| Ge] | 1,20 | 1,10 | ||
| Hf | 7,90 | 8,10 | 0,50 | |
| La | 57,00 | 49,50 | 2,20 | |
| Nb | 16,00 | 22,10 | 3,00 | |
| Nd | 53,00 | 40,50 | 2,00 | |
| Ni | 27,00 | 35,50 | 0,60 | |
| Pb | 58,00 | 42,10 | 0,80 | |
| Pr | 16,00 | 10,70 | 0,40 | |
| Rb | 139,00 | 137,00 | 1,00 | |
| Sm | 16,00 | 7,90 | 0,20 | |
| Sr | 127,00 | 124,00 | 2,00 | |
| Th | 25,00 | 20,00 | 1,20 | |
| U | 4,00 | 4,00 | 0,10 | |
| V | 120,00 | 120,00 | 3,00 | |
| Y | 38,00 | 37,90 | 1,70 | |
| Zn | 119,00 | 115,00 | 2,00 | |
| Zr | 340,00 | 317,00 | 10,00 |
Legend
CRB
results CRB
cooperative test
results collaborative study
1s-RV
Standard deviation collaborative study
Z-Score
Difference of measured value from mean study
*
Value not certified
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