Home > QM, accreditation, proficiency tests > Round robin tests XRF-analysis > 168-2019-geopt44-shcx-1
Logo

Round robin tests XRF-analysis XRF Round-robin test GeoPT 44A, England - CM-1, Carbonate Mudrock

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT44A
Material of proficiency test:
CM-1, Carbonate Mudrock
Study finished:
2019 - 1
Literature:
Report - GeoPT44A Proficiency Testing Round 44A (Laborcode CRB = D46)

major elements [wt %]

CRBRV1sRVZ-Score
MgO1,4101,3700,0110,710
Al₂O₃1,3401,2400,0221,520
SiO₂5,7105,7800,0891,430
P₂O50,0660,0610,0021,350
K₂O0,2300,2190,0100,100
CaO50,60050,1800,5320,380
TiO₂0,0500,0450,0021,740
Fe₂O₃tot0,3100,3600,0081,980
MnO0,0270,0240,0011,620
L.O.I. *39,83040,1600,460-0,360
TC *11,29011,2900,1700,000
CO₂*40,20039,9000,4320,290

trace elements [µg/g]

CRBRV1sRVZ-Score
Sr1024,001010,009,900,25

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 30, 2021

Dealing with asbestos: Ignorance does not protect against punishment – first check, then renovate

Time and again, contractors and do-it-yourselfers have to answer to the courts for failing to comply with occupational safety and environmental protection measures in connection with asbestos. ... read more

Feb 3, 2021

Asbestos discovered in talc-based U.S. cosmetic products

In a recent technical paper in the journal Environmental Health Insights, U.S. scientists from the Environmental Working Group Washington and the Scientific Analytical Institute Greensboro warn of asbestos in cosmetic products. ... read more

Jan 13, 2021

Results of current round-robin tests published

In 2020, CRB has again successfully participated in a series of round-robin tests for asbestos analysis and X-ray fluorescence analysis. ... read more

';