Home > QM, accreditation, proficiency tests > Round robin tests XRF-analysis > 005-1995-irma-gspn-2
Logo

Round robin tests XRF-analysis XRF Round-robin test IRMA - GSPN-2, Manganese ore

Study organized by:
Institute of Rock and Mineral Analysis (IRMA) of the Chinese Academy of Geological Sciences
Material of proficiency test:
GSPN-2 (marines Sediment, Manganerz)
Study finished:
1995 - 11
Literature:
GEOSTANDARDS NEWSLETTERS, Vol. 19, No. 2, 1995, GEOSTANDARDS NEWSLETTERS, Vol. 22, No. 1, 1998

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O3,1002,5200,303
MgO2,9003,0100,120
Al₂O₃5,3705,0900,280
SiO₂16,02015,0500,730
P₂O50,4900,5700,060
SO₃0,3300,3000,080
K₂O1,1001,0500,070
CaO2,8902,8600,180
TiO₂1,5401,3200,070
Fe₂O₃ tot10,42010,4900,590
MnO23,30024,2900,770 

trace elements [µg/g]

CRBRV1sRVZ-Score
As73,0099,0033,00
Ba1900,001800,00200,00
Cd12,0010,002,00
Ce583,00622,0065,00
Cl7700,007100,00900,00
Co2600,002800,00160,00
Cr10,0020,00 
Cu6000,006700,00400,00
La220,00184,0023,00
Mo480,00485,0022,00
Nb54,0047,009,00
Ni9600,0010200,00800,00
Pb687,00709,0063,00
Rb6,0016,002,00
Sr823,00853,0095,00
V547,00452,0037,00
Zn850,00910,00150,00
Zr647,00612,0069,00

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

Apr 30, 2019

Impregnation of outdoor clothing - Göttinger Tageblatt reports about MeyerundKuhl

MeyerundKuhl Spezialwäschen GmbH, based in Hardegsen, cleans and impregnates outdoor clothing for customers throughout Europe. The Göttinger Tageblatt reports on the successful start-up with which we recently developed a test method for the decontamination of asbestos in firefighting clothing. ... read more

Apr 16, 2019

Meet CRB at the 8th symposium "Der Bausachverständige"

Our experts welcome you at the 8th symposium "Der Bausachverständige" (The Building Expert) in Cologne on June 5. The focus of this year's event is on indoor pollutants radon and asbestos. ... read more

Mar 4, 2019

Test method developed for asbestos decontamination of firefighters' clothing

In fire situations, firefighters are exposed to a variety of hazardous substances, including asbestos. In cooperation with the MeyerundKuhl specialist laundry, CRB has developed a test procedure to check whether fire-fighting textiles can be sufficiently decontaminated by washing and impregnation. ... read more