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Round robin tests XRF-analysis XRF Round-robin test GeoPT 47A, England - NES-1, Silty Soil

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT 47A
Material of proficiency test:
NES-1, Silty Soil
Study finished:
2021 - 1
Literature:
Report - GeoPT47A Proficiency Testing Round 47A(Laborcode CRB = J88)

major elements [wt %]

CRBRV1sRVZ-Score
SiO₂80,12080,1500,829-0,020
TiO₂0,6960,7000,015-0,140
Al₂O₃5,6805,6700,0870,060
Fe₂O₃tot3,1603,1210,0530,370
MnO0,0940,0910,0030,560
MgO0,5000,5000,011-0,060
CaO0,3400,3200,0081,320
Na₂O*0,2800,2820,056-0,020
K₂O1,0401,0450,021-0,120
P₂O50,2270,2300,010-0,260
L.O.I.7,6907,6400,1130,220
TOC*2,6902,5100,4420,200
C-gesamt*2,8202,9300,369-0,150

trace elements [µg/g]

CRBRV1sRVZ-Score
Ba150,00160,506,00-0,88
Cr76,0062,202,702,58
Cu19,0018,000,900,54
Ga10,008,100,502,05
Hf8,508,100,500,42
Nb11,0014,400,80-2,23
Ni21,0019,101,001,00
Pb38,0040,001,80-0,55
Rb48,0054,002,40-1,27
Sr30,0027,001,301,14
V49,0051,002,30-0,44
Y19,0017,800,900,65
Zn68,0064,102,700,71
Zr330,00322,0010,800,37

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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