QCRM-4-083

Iron Ore (HG) hematite – 65.91% Fe; 3.04% Si – Assmang Khumani Mine

Certified values
AnalytesUnitsConcentrationsExpanded uncertainty
Al2O3%1.22±0.03
CaO%0.03±0.01
Fe%65.91±0.18
K2O%0.189±0.004
LOI%0.60±0.04
MgO%0.03±0.01
Mn%0.14±0.01
P%0.030±0.002
S%0.010±0.004
SiO2%3.04±0.09
TiO2%0.072±0.002
V2O5%0.011±0.005
ASSIGNED VALUES (For information only)
AnalytesUnitsConcentrationsExpanded uncertainty
Cr2O3%0.04±0.02
Na2O%0.03±0.01

QCRM-4-083 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 Iron Ore and as a calibration standard for the calibration of equipment used for analyzing similar materials.

Weight 100 g
Number of packets: