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Round robin tests XRF-analysis Round-robin test third-party supervisor 2014 - Fly ash

Study organized by:
Materialprüfungsamtes Nordrhein-Westfalen (MPA NRW)
Material of proficiency test:
Steinkohleflugasche
Study finished:
2015 - 11
Literature:
Bericht zur Vergleichsprüfung der Fremdüberwacher 2014

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O1,1401,1200,0900,210
Na₂O-Äquivalent2,5902,5700,2200,110
MgO1,9201,8800,1600,220
Al₂O₃19,77019,8702,4200,120
SiO₂52,92053,0402,1000,060
P₂O50,4000,4300,1200,230
SO₃1,0601,1000,2600,130
K₂O2,2002,1900,2500,010
CaO5,2605,2900,4000,070
Fe₂O₃ tot.11,72011,4000,8800,360
L.O.I.1,4601,5200,2500,270
TOC1,0101,0200,1300,050

trace elements [µg/g]

CRBRV1sRVZ-Score

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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