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

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT47
Material of proficiency test:
BIM-1, Silty Soil
Study finished:
2022 - 1
Literature:
Report - GeoPT47 Proficiency Testing Round 47 (Laborcode CRB = H119)

major elements [wt %]

CRBRV1sRVZ-Score
SiO₂53,12052,9200,5820,180
TiO₂0,4310,4200,0100,570
Al₂O₃6,1006,0900,0930,070
Fe₂O₃tot2,0802,0780,0370,030
MnO0,0670,0640,0020,890
MgO2,8702,9100,050-0,390
CaO16,55016,5300,2170,050
Na₂O0,9801,0410,021-1,470
K₂O1,3601,3400,0260,390
P₂O50,1300,1300,0030,000
L.O.I.16,25016,2200,2100,070
CO₂ *14,72014,4200,3300,450
TC41426404706560,730
TOC *9569412310,030
TIC *40142393669130,420

trace elements [µg/g]

CRBRV1sRVZ-Score
As2,006,400,39-5,69
Ba202,00196,907,110,36
Co6,005,500,340,69
Cr87,0083,103,420,56
Cu11,009,800,551,11
Ga9,007,000,422,47
Hf8,009,260,53-1,19
Nb5,008,300,48-3,40
Ni32,0031,001,480,34
Pb8,0011,100,62-2,53
Rb53,0050,902,250,48
Sr283,00280,009,590,16
V43,0035,201,652,39
Y26,0024,001,190,86
Zn33,0032,001,520,33
Zr354,00343,0011,400,48

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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