Home > QM, accreditation, proficiency tests > Round robin tests XRF-analysis > 045-2005-geopt17-ou-8
Logo

Round robin tests XRF-analysis XRF Round-robin test GeoPT17 - OU-8, Calcearous Sandstone

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT17
Material of proficiency test:
OU-8, Calcearous Sandstone
Study finished:
2005 - 8
Literature:
Preliminary Report - GeoPT17 Proficiency Testing Round

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O0,6000,6770,014
MgO1,8301,8790,034
Al₂O₃6,6406,5480,099
SiO₂54,07054,1200,594
P₂O50,028---  
SO₃0,280 ---
K₂O2,9702,9670,050
CaO16,71016,7110,219
TiO₂0,2510,2440,006
Fe₂O₃ tot1,3401,3040,025
MnO0,1550,1380,004

trace elements [µg/g]

CRBRV1sRVZ-Score
Ba501,00528,0016,40
Cr37,0021,501,08
Ga7,906,300,38
Nb3,504,200,38
Ni165,00145,705,40
Pb17,009,600,55
Sr287,00264,009,14
V28,0029,801,43
Y14,0016,000,84
Zr199,00182,706,70

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

Asbestos Analysis0

Reliable analysis of asbestos with SEM/EDXORDER NOW!

Order inquiry & contact

  • Tel.: +49 (0)5505 // 940 98-0
  • fax: +49 (0)5505 // 940 98-260

News

Jul 30, 2020

Nachholtermin: vdu-Schulung zum Thema „LAGA PN 98“ im September 2020 in Hannover

Nachholtermin der vdu-Schulung „LAGA PN 98“ anberaumt zum 16. September 2020. vdu-Geschäftstelle in Hannover eruiert Interessenlage und bittet um Mitteilung der Teilnehmerzahl.  ... read more

Mar 23, 2020

INTERSCHUTZ moved to 2021

The leading trade fair for fire, rescue, civil protection and security will be postponed from this year's June to June 2021 due to the current pandemic situation. ... read more

Mar 19, 2020

Still in service despite Corona

Despite the critical situation, we are still fully operational thanks to targeted internal measures. ... read more

';