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QCRM-5-108

Copper Matte – 51.85% Cu; 451g/t Ag; 36.1g/t Au; 1.41% Pb – Dundee Precious Metals, Namibia

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Certified values
AnalytesUnitsConcentrationsExpanded uncertainty
Agg/t451±5
Al%0.41±0.12
As%0.37±0.06
Aug/t36.1±0.7
Ca%1.19±0.09
Cu%51.85±0.42
Fe%11.67±0.33
Mg%0.39±0.07
Pb%1.41±0.09
S%13.96±0.44
ASSIGNED VALUES (FOR INFORMATION ONLY)
AnalytesUnitsConcentrationsExpanded uncertainty
Bippm604±52
Cdppm40±11
Co%0.005±0.002
Cu (soluble)%3.19±0.53
Mn%0.014±0.002
Ni%0.018±0.002
Sb%0.17±0.02
Si%4.50±0.19
Zn%0.72±0.05

QCRM-5-108 is a certified reference material which is suitable for use as random control samples in routine analytical laboratory quality control, when inserted within a batch of samples and measured in parallel to the unknown. The QCRM can also be used as a control sample in the analysis of samples of a similar type, verification of analytical methods for Copper Concentrate and as a calibration standard for the calibration of equipment used for analysing similar materials.

This document has been amended, as more data became available (through commercial analysis), thus enabling the certification of additional analytes.