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

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

News

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

Feb 28, 2019

We say goodbye to the old SEM XL 40

After 9 years of use in the field of asbestos analysis we say goodbye to our old SEM XL 40 and plan to purchase two new Thermo Scientific Prisma E scanning electron microscopes to replace it. ... read more

Feb 20, 2019

Review of the DCONex 2019: Building pollutants & construction in existing buildings

We report on our impressions of DCONex 2019, which took place on 30 and 31 January in Essen. For the first time we were represented at the fair with our own stand. ... read more