Round-robin test GSSR - EnviPT-1, Coal Fly Ash - CRB GmbH
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Round robin tests XRF-analysis XRF Round-robin test GSSR - EnviPT-1, Coal Fly Ash

Study organized by:
Geological Survey of Slovak Republic (GSSR) - Ministry of Environment Iof Slovak Republic
Material of proficiency test:
EnviPT-1, Coal-Fly-Ash
Study finished:
2001 - 6
Literature:
Ausführlicher Bericht und Zertifikat

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O0,6300,7100,017
MgO1,6201,6200,033
Al₂O₃14,11013,8700,233
SiO₂68,20068,4101,200
P₂O50,1120,1060,004
S0,5700,5200,028
K₂O1,8401,8300,057
CaO3,6803,6570,096
TiO₂0,6000,5840,016
Fe₂O₃ tot.6,8706,6960,132
MnO0,0470,04860,001

trace elements [µg/g]

CRBRV1sRVZ-Score
As315,00273,005,20
Ba507,00476,0013,20
Co16,0012,950,94
Cr58,0062,402,81
Cu23,0024,841,53
Nb12,0012,401,40
Nd23,0025,701,60
Ni49,0043,002,80
Pb29,0015,501,20
Rb104,0098,302,80
Sb5,002,400,25
Sm4,804,900,57
Sr243,00233,003,30
Th13,0010,120,70
U6,005,400,70
V99,00101,203,60
Y26,0024,701,10
Zn72,0060,402,16
Zr178,00161,003,80

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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