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

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

News

Apr 30, 2019

Impregnation of outdoor clothing - Göttinger Tageblatt reports about MeyerundKuhl

MeyerundKuhl Spezialwäschen GmbH, based in Hardegsen, cleans and impregnates outdoor clothing for customers throughout Europe. The Göttinger Tageblatt reports on the successful start-up with which we recently developed a test method for the decontamination of asbestos in firefighting clothing. ... read more

Apr 16, 2019

Meet CRB at the 8th symposium "Der Bausachverständige"

Our experts welcome you at the 8th symposium "Der Bausachverständige" (The Building Expert) in Cologne on June 5. The focus of this year's event is on indoor pollutants radon and asbestos. ... read more

Mar 4, 2019

Test method developed for asbestos decontamination of firefighters' clothing

In fire situations, firefighters are exposed to a variety of hazardous substances, including asbestos. In cooperation with the MeyerundKuhl specialist laundry, CRB has developed a test procedure to check whether fire-fighting textiles can be sufficiently decontaminated by washing and impregnation. ... read more