Home > QM, accreditation, proficiency tests > Round robin tests XRF-analysis > 056-2010-nrcga-gsms-2
Logo

Round robin tests XRF-analysis XRF Round-robin test NRCGA-CAGS, China - Marines Sediment GSMS-2

Study organized by:
National Research Center for Geoanalysis - Chinese Academy of Geological Sciences
Material of proficiency test:
GBW 07315 (GSMS-2, Marines Sediment)
Study finished:
2010 - 11
Literature:
Zertifikat Ringversuchsveranstalter

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O4,4404,4300,200
MgO2,9903,0200,100
Al₂O₃11,41011,4100,220
SiO₂50,70051,1000,600
P₂O50,4800,4800,030
SO₃0,4600,630 
K₂O2,2402,3200,110
CaO5,6105,7400,220
TiO₂0,5900,6100,030
Fe₂O₃ tot5,8505,9300,160
MnO0,5720,5900,030
L.O.I.*14,07013

trace elements [µg/g]

CRBRV1sRVZ-Score
As5,007,100,60
Ba3194,003100,00100,00
Br160,00145,006,00
Cd0,400,30 
Ce78,0082,006,00
Cl [%]2,503,90 
Co82,0081,006,00
Cr59,0059,006,00
Cu371,00357,0010,00
F [%]0,1260,110,01
Ga18,0018,001,00
Hf3,303,600,40
Hg0,830,950,09
La72,0062,004,00
Mo16,0014,001,00
Nb12,0011,001,00
Nd55,0075,004,00
Ni157,00167,0012,00
Pb28,0037,004,00
Pr14,0017,001,00
Rb71,0073,005,00
Sm8,0018,001,00
Sr304,00298,0023,00
Th8,0011,001,00
U1,502,000,50
V92,00101,008,00
Y89,0098,004,00
Zn127,00137,0015,00
Zr123,00140,008,00

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

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

News

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

Dec 13, 2023

Follow-up report: Forum Asbest 2023

In November, representatives of the asbestos industry met again at Haus der Technik in Essen. Of course, CRB could not miss the 32nd Forum on Asbestos and Other Hazardous Substances in Technical Facilities and Buildings. We were on site with our own information stand, exchanged ideas with other experts, and listened to the exciting presentations. ... read more