Home > QM, accreditation, proficiency tests > Round robin tests XRF-analysis > 021-1999-geopt4-ou-2
Logo

Round robin tests XRF-analysis XRF Round-robin test GeoPT 4 - OU-2, Bamford Dolerite

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT4
Material of proficiency test:
OU-2, Bamford Dolerite
Study finished:
1999 - 4
Literature:
Geostandards Newsletter, Vol. 24, No. 1, 06/00, p. 135

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O2,4802,4800,043
MgO5,5405,5850,086
Al₂O₃13,82013,8010,186
SiO₂51,09051,0950,586
P₂O50,2960,3000,007
SO₃0,030  
K₂O0,9800,9900,020
CaO8,9008,9940,129
TiO₂2,4902,4250,042
Fe₂O₃ tot13,43013,2500,180
MnO0,1730,1700,004

trace elements [µg/g]

CRBRV1sRVZ-Score
Ba342,00341,1011,30
Ce69,0060,202,60
Co44,0044,802,00
Cr104,0097,003,90
Cu56,0063,002,70
Ga23,0023,05115,00
Hf5,105,290,33
La41,0027,701,34
Mo3,003,050,21
Nb21,0017,250,90
Ni60,0051,772,29
Pb14,0013,120,71
Rb28,0025,441,35
Sr427,00403,7013,10
Th3,603,020,20
V344,00339,2011,30
Y35,0030,931,48
Zn114,00113,004,40
Zr223,00200,507,20

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

Sep 16, 2022

Incorrect asbestos roof cleaning leads to imprisonment and fines

Special care is required when handling asbestos. Asbestos dust can be released not only during renovation work but also when asbestos roofs are improperly cleaned. Those who disregard the regulations endanger themselves and their fellow human beings and risk heavy fines. ... read more

Aug 24, 2022

Online Workshop VDI Guideline 6202 Sheet 3 - Asbestos

On September 13, 2022, the Gesamtverband Schadstoffsanierung e.V. (GVSS) offers an online workshop on VDI Guideline 6202 Sheet 3. As a member of the association, we are pleased to point out this interesting event. ... read more

Aug 10, 2022

Suspicion of asbestos-contaminated protective clothing? - We test PPE for asbestos and AMF.

A process developed jointly with MeyerundKuhl Spezialwäschen GmbH allows us to non-destructively test firefighters' clothing and other PPE for asbestos and artificial mineral fibers. ... read more