Round-robin test GeoPT 35 - TLM-1, Tonalite - CRB GmbH
Home > QM, accreditation, proficiency tests > Round robin tests XRF-analysis > 097-2014-geopt35-tlm-1
Logo

Round robin tests XRF-analysis XRF Round-robin test GeoPT35, England - TLM-1, Tonalite

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT35
Material of proficiency test:
TLM-1, (Tonalite)
Study finished:
2014 - 9
Literature:
Report - GeoPT35 Proficiency Testing Round

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O2,9202,9600,050-0,400
MgO3,3003,3200,055-0,180
Al₂O₃17,35017,2900,2300,130
SiO₂58,55058,5400,6400,010
P₂O50,1290,1290,0040,050
K₂O1,6601,6400,0300,350
CaO6,7806,6900,1010,460
TiO₂0,8400,8310,0110,270
Fe₂O₃ tot7,6307,5350,1110,430
MnO0,1130,1160,003-0,390
L.O.I.*0,5300,7500,110---

trace elements [µg/g]

CRBRV1sRVZ-Score
Ba735,00733,0021,700,05
C-tot. *900,00597,00200,00---
Ce17,0028,301,40-4,13
Co20,0019,301,000,33
Cl *230,00229,0072,00---
Cr *16,0016,8011,00---
Cu21,0020,001,000,49
F *290,00471,00194,00---
Ga21,0019,101,000,97
Hf3,703,500,200,46
La12,0012,600,70-0,41
Nd14,0016,800,90-1,60
Ni8,006,000,402,73
Pb15,0014,000,800,66
Pr6,003,900,304,10
Rb56,0060,802,60-0,91
S *80,00108,0038,00---
Sm4,004,100,300,24
Sr302,00294,0010,000,40
Th4,003,900,300,16
U1,001,200,10-1,40
V144,00146,005,50-0,15
Y24,0024,001,200,02
Zn88,0089,803,70-0,25
Zr126,00125,504,900,05

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
Download results on this study as pdf-file

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 19, 2023

Asbestos in baby powder: Johnson & Johnson wants to end legal dispute with 8 billion euros

For years, baby powders made by Johnson & Johnson have been suspected of being contaminated with asbestos and causing cancer. The pharmaceutical company now faces tens of thousands of lawsuits and recently offered a settlement payment of 8.1 billion euros ($8.9 billion) to end the legal dispute. But how can asbestos get into baby powder in the first place? And are there indications that asbestos-contaminated cosmetics cause cancer? Read more in our news article. ... read more

Mar 20, 2023

New Hazardous Substances Ordinance: What will change in 2023?

As announced in our follow-up report to DCONex, the new Hazardous Substances Ordinance (GefStoffV) is due to be published in the 2nd quarter of 2023. But who does this regulation actually affect? And what are the most important changes in the new GefStoffV? Are there any innovations to the regulations for dealing with asbestos? Get an overview here. ... read more

Feb 27, 2023

Film review from an expert's point of view: "Asbestos – the never-ending story"

The documentary "Asbestos – the never-ending story" shows that even today no one is entirely safe from this hazardous material. We took the time to critically examine the documentation from an expert's point of view. ... read more

Downloads

Important information