Showing all 2 results

QCRM-11-001

Zinc Ore – 6.20% Zn; 1.03% Cu; 0.088% Pb; 0.124% Cd – Scorpion Zinc, Namibia

In stock

ASSIGNED VALUES
AnalytesUnitsConcentrationsExpanded Uncertainty
Co%0.005±0.001
Cu%1.03±0.02
FeO%3.63±0.09
MgO%0.97±0.06
Pb%0.088±0.002
S%0.16±0.01
SiO2%60.0±2.0
Zn%6.20±0.20
ASSIGNED VALUES (FOR INFORMATION ONLY)
AnalytesUnitsConcentrationsExpanded Uncertainty
Al2O3%7.35±0.20
CaO%3.51±0.16
Cd%0.124±0.008
MnO%2.08±0.06
Ni%0.008±0.002

QCRM-11-001 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 Zinc Ore and as a calibration standard for the calibration of equipment used for analysing similar materials.

QRM-11-002

Zinc Concentrate – 43.5% Zn; 2.22% Cu; 0.22% Pb – Scorpion Zinc, Namibia

In stock

ASSIGNED VALUES
AnalytesUnitsConcentrationsExpanded Uncertainty
CaO%0.46±0.06
Co%0.021±0.002
Cu%2.22±0.06
FeO%0.83±0.11
MgO%0.65±0.07
MnO%1.00±0.04
Ni%0.004±0.002
Pb%0.22±0.01
S%3.89±0.13
SiO2%4.00±0.11
Zn%43.5±1.6

QRM-11-002 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 QRM can also be used as a control sample in the analysis of samples of a similar type and verification of analytical methods for Zinc Concentrate.