Home > QM, accreditation, proficiency tests > Round robin tests XRF-analysis > 001-1993-iwg-zw-c-zinnwaldit
Logo

Round robin tests XRF-analysis XRF Round-robin test - IWG - ZW-C, Zinnwaldite

Study organized by:
International Workinggroup Geostandards (IWG) of the Association Nationale de la Recherche Technique, Paris
Material of proficiency test:
Zinnwaldit ZW-C (Lithiumglimmer)
Study finished:
1993 - 6
Literature:
GEOSTANDARDS NEWSLETTERS, Vol. 18, No. 1, 1994

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O0,2700,330
MgO0,1700,160
Al₂O₃18,33018,450
SiO₂52,97054.00
P₂O50,0200,025
SO₃0,0460,045
K₂O7,7507,720
CaO0,3600,370
TiO₂0,0430,050
Fe₂O₃ tot9,2809,460
MnO0,7460,750

trace elements [µg/g]

CRBRV1sRVZ-Score
Ba112,0052,00
Cd1,301,50
Ce74,0097,00
Cl43,0030,00
Co8,002,00
Cr47,0056,00
Cu44,0039,00
F65900,0054500,00
Ga104,0099,00
La32,0030,00
Ni12,0011,00
Pb107,0080,00
Rb8458,008500,00
Sr18,0017,00
U24,0020,00
V4,006,00
W321,00320,00
Y61,0033,00
Zn1029,001050,00
Zr39,0082,00

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

Aug 9, 2019

Non-destructive analysis of firefighting clothing on asbestos/KMF

CRB develops in cooperation with MeyerundKuhl Spezialwäschen GmbH a non-destructive method for the analysis of potentially contaminated fire brigade clothing on asbestos and artificial mineral fibres ... read more

Jul 26, 2019

vdu training course "LAGA PN 98" in Hanover

On 24 September 2019, the vdu training course "LAGA PN 98" will take place in Hanover. As a member of the Association of German Research Laboratories e.V. (vdu) we would like to draw your attention to this interesting event. ... read more

Jun 28, 2019

Review of the 8th symposium "Der Bausachverständige"

Under the title "Radon and asbestos - invisible enemies in the house" the 8th symposium "Der Bausachverständige" took place in Cologne. Read our follow-up report here. ... read more

';