Home > QM, accreditation, proficiency tests > Round robin tests XRF-analysis > 057-2009-geopt-25-htb-1
Logo

Round robin tests XRF-analysis XRF Round-robin test GeoPT25, England - HTB-1, Basalt

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT25
Material of proficiency test:
HTB-1, Basalt
Study finished:
2009 - 8
Literature:
Preliminary Report - GeoPT25 Proficiency Testing Round

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O2,6202,7300,057
MgO3,9303,8900,063
Al₂O₃12,49012,4100,170
SiO₂50,25050,4200,559
P₂O50,6350,6330,014  
K₂O1,5201,5300,029
CaO7,8807,8500,115
TiO₂0,5200,5340,012
Fe₂O₃ tot15,75015,5400,206
MnO0,2210,2150,005
L.O.I.0,360------

trace elements [µg/g]

CRBRV1sRVZ-Score
Ba572,00550,0017,00
Ce101,0093,003,70
Co54,0038,001,80
Cr9,0010,700,60
Cu162,00161,006,00
Ga28,0024,101,20
Hf6,007,900,50
La42,0040,901,90
Nb27,0029,201,40
Nd48,0051,402,30
Ni35,0032,101,10
Pr9,0011,900,70
Rb34,0035,001,70
Sm7,0011,000,60
Sn7,002,600,20
Sr475,00482,006,40
Th3,603,980,26
V385,00392,8012,80
Y37,0039,901,80
Zn131,00141,505,40
Zr293,00310,1010,50

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

Mar 30, 2021

Dealing with asbestos: Ignorance does not protect against punishment – first check, then renovate

Time and again, contractors and do-it-yourselfers have to answer to the courts for failing to comply with occupational safety and environmental protection measures in connection with asbestos. ... read more

Feb 3, 2021

Asbestos discovered in talc-based U.S. cosmetic products

In a recent technical paper in the journal Environmental Health Insights, U.S. scientists from the Environmental Working Group Washington and the Scientific Analytical Institute Greensboro warn of asbestos in cosmetic products. ... read more

Jan 13, 2021

Results of current round-robin tests published

In 2020, CRB has again successfully participated in a series of round-robin tests for asbestos analysis and X-ray fluorescence analysis. ... read more

';