Home > QM, accreditation, proficiency tests > Round robin tests XRF-analysis > 160-2018-geopt43-ads-1
Logo

Round robin tests XRF-analysis XRF Round-robin test GeoPT 43, England - ADS-1, Dolerite

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT43
Material of proficiency test:
ADS-1, Dolerite
Study finished:
2018 - 6
Literature:
Report - GeoPT43 Proficiency Testing Round 43 (Laborcode CRB = B100)

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O2,4502,4700,031-0,230
MgO5,5605,5900,150-0,410
Al₂O₃13,73013,7400,187-0,030
SiO₂51,02051,0100,4360,010
P₂O50,2960,3000,012-0,280
K₂O0,9900,9990,028-0,240
CaO9,0308,9700,1660,230
TiO₂2,4302,4300,0490,000
Fe₂O₃tot13,29013,2200,2570,200
MnO0,1730,1710,0050,260

trace elements [µg/g]

CRBRV1sRVZ-Score
Ba359,00341,6022,700,76
Ce40,0059,503,90-3,79
Co52,0044,604,101,82
Cr118,0091,8012,203,52
Cu83,0064,305,703,40
Ga22,0021,901,700,05
Hf4,505,100,30-0,94
La30,0026,902,201,17
Nb15,0017,401,50-1,34
Nd29,0032,802,00-1,21
Ni54,0052,804,900,27
Pr8,007,800,400,27
Rb22,0025,301,50-1,32
Sc28,0027,602,400,17
Sr409,00402,0015,700,27
V327,00333,0019,90-0,27
Y30,0030,002,200,00
Zn135,00113,009,802,48
Zr210,00199,0010,500,77

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

Nov 23, 2021

vdu training series "Drinking water sampling" in Hanover, Germany

On December 7, 2021, the vdu office in Hanover will offer a training course on "Basic and Refresher Training on Drinking Water Sampling". As a member of the Association of German Testing Laboratories e.V. (vdu), we are pleased to point out this interesting event. ... read more

Jun 29, 2021

Weathering of asbestos cement: Do old asbestos roofs release fibers?

The ban on asbestos has been in effect in Germany for almost 30 years. This also means that common asbestos products such as fiber cement have been exposed to weathering since that time, especially on the exterior. What this means for the material and the eventual release of fibers has now been explored by a Norwegian research team [Ervik et al. 2021]. ... read more

May 12, 2021

Covid prevention: CRB equips another 5 offices with nanofiltec air filtration systems

The workrooms and other critical points in the building of CRB Analyse GmbH have been equipped with air filtration systems from the company nanofiltec from Hamburg, Germany, due to current events. ... read more