Home > QM, accreditation, proficiency tests > Round robin tests XRF-analysis > 129-2017-geopt40-shwyo-1
Logo

Round robin tests XRF-analysis XRF Round-robin test GeoPT 40, England - ShWYO-1, Silty marine shale

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT40
Material of proficiency test:
ShWYO-1, Silty marine shale
Study finished:
2017 - 2
Literature:
Report - GeoPT40 Proficiency Testing Round 40 (Laborcode CRB = W128)

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O1,0201,0000,020-0,490
MgO2,8302,8500,049-0,210
Al₂O₃13,10013,1300,178-0,090
SiO₂61,85061,8700,665-0,020
P₂O50,1810,1810,0050,010
S *0,7500,6800,130
K₂O2,4502,4540,043-0,050
CaO3,9303,9400,064-0,080
TiO₂0,5700,5650,0120,200
Fe₂O₃tot4,6704,6430,0740,180
MnO0,0450,0430,0010,710
L.O.I. *7,5007,7700,650
TC1,0701,0300,0021,060
TOC*0,3000,2500,060

trace elements [µg/g]

CRBRV1sRVZ-Score
As12,0011,800,600,19
Ba558,00580,0017,80-0,62
Ce55,0054,502,400,11
Cl *130,0096,0041,00
Co11,0010,800,600,17
Cr72,0068,302,900,64
Cs8,007,100,401,02
Cu24,0023,501,200,20
F *420,00634,00133,00
Ga17,0015,700,800,76
Hf5,105,040,300,10
La29,0028,401,400,21
Mo2,001,200,104,28
Nb12,0011,300,600,60
Nd26,0025,001,200,41
Ni31,0027,801,301,19
Pb22,0020,101,000,94
Pr7,006,600,400,50
Rb105,00101,004,000,50
Sc13,0011,500,601,22
Sm5,004,900,300,16
Sr194,00195,007,00-0,05
Th7,009,000,50-1,93
U3,003,200,20-1,16
V117,00117,004,600,00
Y24,0023,101,200,39
Zn100,0097,003,900,38
Zr184,00183,006,700,07

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

Apr 9, 2024

VDU training “Sampling of drinking and bathing pool water” in Hanover

On April 23, 2024, the VDU office in Hanover will offer basic and refresher training on “sampling drinking and bathing pool water.” As a member of the Association of German Investigation Laboratories e.V. (vdu), we would like to draw your attention to this interesting event. ... read more

Mar 13, 2024

Follow-up report: DCONex 2024

In January 2024, the building pollutant experts met again at DCONex. The CRB team was also back at the trade congress and exhibition. This time not only with its own stand but also on stage: Our colleague Dr. Gunnar Ries moderated the lecture block "Current issues in asbestos analysis" and in this session, our laboratory manager Dr. Stefan Pierdzig gave a lecture on the basics of asbestos analysis. ... read more

Dec 21, 2023

Review: Berlin Builders Day 2023

At the end of November, CRB took part in the 2nd Builders Day in the old Hubertusbad in Berlin-Lichtenberg. The central topics of the event were the current challenges facing the construction industry in terms of the circular economy and the ecological construction and heating revolution. ... read more