Round robin tests XRF-analysis XRF Round-robin test GeoPT 39, England - SyMP-1, Syenite
Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT39
Material of proficiency test:
SyMP-1, Syenite
Study finished:
2016 - 7
Literature:
Report - GeoPT38 Proficiency Testing Round 39 (Laborcode CRB = U22)
major elements [wt %]
CRB | RV | 1sRV | Z-Score | |
Na₂O | 1,780 | 1,720 | 0,032 | 0,190 |
MgO | 3,270 | 3,310 | 0,055 | -0,380 |
Al₂O₃ | 13,150 | 12,990 | 0,177 | 0,460 |
SiO₂ | 55,300 | 55,520 | 0,607 | -0,180 |
P₂O5 | 0,706 | 0,721 | 0,015 | -0,480 |
K₂O | 10,390 | 10,400 | 0,146 | -0,050 |
CaO | 3,160 | 3,140 | 0,053 | 0,190 |
TiO₂ | 0,790 | 0,799 | 0,017 | -0,290 |
Fe₂O₃tot | 7,780 | 7,755 | 0,114 | 0,110 |
MnO | 0,102 | 0,101 | 0,003 | 0,240 |
L.O.I. | 2,370 | 2,390 | 0,040 | -0,250 |
C-tot. * | 0,500 | 0,640 | 0,100 | --- |
trace elements [µg/g]
CRB | RV | 1sRV | Z-Score | |
Ba | 5067,00 | 5220,00 | 115,00 | -0,66 |
Ce | 419,00 | 471,00 | 14,90 | -1,74 |
Cl * | 190,00 | 180,00 | 40,00 | --- |
Cr | 276,00 | 296,00 | 10,10 | -0,99 |
Cu | 121,00 | 115,00 | 4,50 | 0,67 |
F * | 4380,00 | 3561,00 | 785,00 | --- |
Ga | 18,00 | 21,30 | 1,10 | -1,54 |
Hf | 21,00 | 23,75 | 1,20 | -1,17 |
La | 243,00 | 219,00 | 7,80 | 1,54 |
Nd | 205,00 | 222,40 | 7,90 | -1,10 |
Ni | 221,00 | 230,00 | 8,10 | -0,56 |
Pb | 245,00 | 248,50 | 8,70 | -0,20 |
Pr | 43,00 | 57,30 | 2,50 | -2,87 |
Rb | 627,00 | 641,80 | 19,40 | -0,38 |
Sm | 23,00 | 40,60 | 1,90 | -4,72 |
Sr | 782,00 | 778,00 | 22,90 | 0,09 |
Th | 73,00 | 124,20 | 4,80 | -5,32 |
U | 12,00 | 13,20 | 0,70 | -0,83 |
V | 154,00 | 156,50 | 5,90 | -0,21 |
Y | 65,00 | 48,00 | 2,10 | -3,96 |
Zn | 113,00 | 111,70 | 1,40 | 0,15 |
Zr | 868,00 | 917,00 | 26,30 | -0,93 |
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