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Round robin tests XRF-analysis XRF Round-robin test GeoPT 41A, England - SSCO-1, Mineralised Stream Sediment

Study organized by:
International Association of Geoanalysts and Geostandards Newsletter - GeoPT41A
Material of proficiency test:
SSCO-1, Mineralised Stream Sediment
Study finished:
2017 - 7
Literature:
Report - GeoPT41 Proficiency Testing Round 41A (Laborcode CRB = Z124)

major elements [wt %]

CRBRV1sRVZ-Score
Na₂O1,7801,8000,033-0,300
MgO0,7300,7200,0150,330
Al₂O₃11,01011,0700,154-0,190
SiO₂69,42069,4200,7340,000
P₂O50,1860,1860,0050,010
S *0,2330,2530,061-0,160
K₂O3,5403,5510,059-0,090
CaO1,5401,5390,0290,020
TiO₂0,4040,3960,0090,460
Fe₂O₃tot6,5906,5450,1540,150
MnO0,4270,4240,0100,160
L.O.I. *3,4903,6600,520-0,160
TC54125302116,7000,470
TOC*39033254984,0000,330

trace elements [µg/g]

CRBRV1sRVZ-Score
Ag3,803,800,200,00
Ba775,00779,4022,90-0,10
Ce96,0099,904,00-0,48
Cl *150,00158,00106,00-0,04
Co8,008,100,50-0,08
Cr16,0016,500,90-0,30
Cu375,00365,0012,000,42
Ga17,0016,100,800,56
Hf6,506,500,400,00
La42,0037,601,701,26
Mo15,0013,000,701,41
Nb18,0018,701,00-0,38
Nd33,0031,601,500,47
Ni11,009,000,501,93
Pb921,00917,0026,300,08
Pr9,008,500,500,53
Rb128,00126,704,900,13
Sc5,006,300,40-1,70
Sm7,005,800,401,74
Sr190,00189,006,900,07
Th12,0011,100,600,75
U2,003,300,20-2,92
V53,0055,502,40-0,51
Y28,0026,101,300,73
Zn602,00605,0018,50-0,08
Zr227,00230,008,10-0,18

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
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