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Round robin tests XRF-analysis Round-robin test third-party supervisor 2017 - Fly ash

Study organized by:
Karlsruhe Institute of Technology (KIT) Materials Testing and Research Institute at MPA Karlsruhe; about KIWA, Berlin
Material of proficiency test:
17/11981/10, Fly ash
Study finished:
2017 - 7
Literature:
Report on the Comparative Review of External Monitorers 2017

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O0,7600,8000,070-0,600
MgO1,9401,8000,2300,600
Al₂O₃24,63024,9001,400-0,200
SiO₂47,58048,6001,990-0,500
P₂O50,9190,9000,0800,200
SO₃0,6500,6000,1200,400
K₂O1,9201,8700,1400,400
CaO8,0108,0000,3300,000
Fe₂O₃ tot.5,5005,3000,3200,600
L.O.I.6,2206,2000,3000,100
TC4,1004,0000,2600,400

trace elements [µg/g]

CRBRV1sRVZ-Score
Pb49,0038,8021,370,50
Cd1,000,500,311,60
Cr166,00101,1051,831,30
Cu98,0068,2022,391,30
Hg0,290,300,04-0,40
Zn150,00107,4042,381,00
Ni119,0037,0028,882,80
V262,00170,4044,552,10

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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