GEO-TRACE-PAK

Pre-calibration package

Quantitatively analyze trace elements and major oxides in a wide range of minerals and geological samples

GEO-TRACE-PAK is a pre-calibration package that provides a quantitative application set including calibration, measuring conditions and analysis parameters. Since the pre-calibration package is pre-installed at our factory, analysis work can start soon after system installation is completed.

GEO-TRACE-PAK was developed from over one hundred certified reference materials (geological and ore samples) by the pressed powder method. Using this package, quantitative analysis of 26 trace elements can be carried out. The analysis results of 9 major components are used to correct for the trace element analysis. Two multi-element glass disks included in the package are used for maintenance of the calibration curves.

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GEO-TRACE-PAK Overview

GEO-TRACE-PAK is applicable to Rigaku's ZSX Primus IV, ZSX Primus IVi and ZSX Primus III NEXT sequential wavelength-dispersive (WD) XRF spectrometer. An optional analyzing crystal LiF(220) is required to add better spectral resolution to the WDXRF spectrometer. In the case of ZSX Primus III NEXT, the optional Ge crystal is also required.

The contents of GEO-TRACE-PAK are as follows:

Drift correction samples
- XRF monitor glass disks, 2 pcs.
Validation samples
- Pressed powder disks with binder mixed, 2 pcs.(NIM-GBW07103, NIM-GBW07107)
Binder for pressing
- SpectroBlend, 1 bottle (~200 g)
Backup CD
- calibration curves (calibration constants)
- correction coefficients
- measurement conditions
- other application setting
Instruction manual

The contents of the backup CD are pre-installed on the system before it is shipped. Users do not have to install the package during system installation.

Certified reference materials

A total of 101 certified reference materials (CRMs) were used to establish the GEO-TRACE-PAK calibration. The providers of the CRMs used are:

Geological Survey of Japan
U.S. Geological Survey
Canada Centre for Mineral and Energy Technology
Natural Resources of Canada
MINTEK (South Africa)
State Bureau of Technical Supervision, China
National Research Council Canada
National Institute of Standards and Technology (U.S.)
National Research Centre of Geoanalysis (China)
National Institute for Environmental Studies (Japan)

GEO-TRACE-PAK periodic table

GEO-TRACE-PAK Features

Calibration with over 100 carefully selected Certified Reference Materials (CRMs) to cover the full range of concentrations

Pre-defined measurement parameters, making the method ready-to-use directly after installation (of the spectrometer)

Dedicated quality check (QC) and drift correction (DC) standards, making the method controllable and stable for short and long term analysis purpose

Delivers precise and accurate results for both trace rare-earth elements, including La, Ce, and Nd, and major components across a very wide concentration range.

Sand, limestone, clay, slags, cement, firebricks, magnesite, feldspar, dolomite, gypsum, various rocks

GEO-TRACE-PAK Specifications

Element	Concentration range (ppm)
Sc	3 - 78
V	3 - 768
Cr	3 - 24000
Co	3 - 324
Ni	2 - 3780
Cu	2 - 37300
Zn	2 - 27500
Ga	1 - 37
As	4 - 1540
Br	1 - 217
Rb	1 - 800
Sr	1 - 12000
Y	1 - 718
Zr	1 - 11000
Nb	1 - 3900
Mo	1 - 15100
Sn	1 - 1723
Ba	7 - 2400
La	5 - 1340
Ce	4 - 2230
Nd	4 - 670
W	3 - 3600
Pb	2 - 41700
Bi	2 - 680
Th	2 - 1103
U	2 - 650
Major components (reference)
Component	Concentration range (mass%)
CaO	-55.1
TiO₂	-7.7
Fe₂O₃	-55.6
Mn	-1.75
K₂O	-15.4
S	-7
P₂O₅	-2.6
MgO	-49.4
Na₂O	-10.7