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Round robin tests XRF-analysis XRF Round-robin test GeoPT35a, England - SdAR-H1, Metalliferous Sediment

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT35a
Material of proficiency test:
SdAR-H1, (Metalliferous Sediment)
Study finished:
2014 - 9
Literature:
Report - GeoPT35a Proficiency Testing Round

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O0,9801,1020,022-2,800
MgO1,5301,5320,029-0,030
Al₂O₃11,84011,8300,1630,030
SiO₂65,45065,4500,7000,000
P₂O50,1890,1850,0050,370
K₂O4,2104,1700,0670,290
CaO1,5001,4620,0270,680
TiO₂0,5650,5600,0120,200
Fe₂O₃ tot6,4906,4480,0970,220
MnO0,5200,5150,0110,220
L.O.I.*4,7704,8901,070---

trace elements [µg/g]

CRBRV1sRVZ-Score
Ag66,0076,003,20-1,56
As *430,00386,0061,00---
Ba852,00866,0025,00-0,28
C-tot. *9410,009560,002160,00---
C-org. *6430,005520,001870,00---
Br*2,002,201,10---
Cd27,0025,201,200,73
Ce76,0089,303,60-1,83
Co58,0055,602,400,50
Cl *127,0089,0061,00---
Cr *211,00219,6046,00---
Cu1120,001159,0032,10-0,61
F *1368,001517,00583,00---
Ga17,0015,600,800,82
Hf7,006,900,400,18
Hg *9,007,601,60---
La40,0044,902,00-1,21
Mo61,0064,002,70-0,55
Nb20,0021,901,10-0,84
Nd32,0036,201,70-1,21
Ni225,00230,008,10-0,31
Pb4000,003893,0089,700,60
Pr12,0010,000,601,80
Rb142,00152,305,70-0,90
S *2960,003890,001650,00---
Sb *432,00478,00153,00---
Sm6,006,400,40-0,50
Sr195,00182,006,700,96
Th8,0017,700,90-5,29
U4,004,100,30-0,13
V79,0073,003,100,95
Y42,0025,001,206,64
Zn3790,003684,0085,600,62

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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