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QRM-3-041

Nickel Concentrate – 7.55% Ni; 3.71% Cu – Nkomati Nickel Mine

In stock

ASSIGNED VALUES
AnalytesUnitsConcentrationsExpanded Uncertainty
As%0.042±0.003
CaO%1.139±0.111
Cu%3.711±0.111
FeO%36.214±1.664
MgO%8.108±0.540
Ni%7.551±0.482
S%28.550±1.118

QRM-3-041 is a 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 report was updated, to ensure that its content is compliant with the requirements of ISO 17034. No amendment was made to the assigned values or their expanded uncertainties.

QRM-3-045

Nickel Concentrate – 6.208% Ni; 3.64% Cu – Nkomati Nickel Mine

In stock

ASSIGNED VALUES
AnalytesUnitsConcentrationsExpanded Uncertainty
Al2O3%1.117±0.169
As%0.347±0.018
CaO%1.232±0.078
Co%0.375±0.007
Cr2O3%0.718±0.125
Cu%3.642±0.104
MgO%5.756±0.378
Ni%6.208±0.021
Pb%0.060±0.026
S%33.023±1.997
SiO2%12.461±1.184
Zn%0.034±0.015

QRM-3-045 is a 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.