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Appendix F
Appendices-xiv
NITON XL3 Analyzer User’s Guide
Thermo Scientific
Appendix F
Glossary
Calibration factors
numbers, calculated from sample readings, that are used to adjust for
consistently high or consistently low readings from the XRF Analyzer
Matrix
a substance in which things are embedded or suspended.
In mining, the earthy or stony substance in which metallic ores or
crystalized minerals are found (source: Webster's Revised Unabridged
Dictionary, via dictionary.com)
Pearson correlation
coefficient
a dimensionless index that ranges from -1.0 to 1.0 inclusive and reflects the
extent of a linear relationship between two data sets.
R
2
the square of the Pearson correlation coefficient.
RMS error
root-mean-squared error, the square root of the arithmetic mean of squared
deviations from the mean. This number ells you how good your
approximation is. The lower the number, the better the approximation.
Summary of Contents for NITON XL3t 500
Page 1: ...NITON XL3t 500 Analyzer User s Guide Version 6 5 ...
Page 2: ......
Page 22: ...Applications Live Spectrum Feed 1 8 NITON XL3 Analyzer User s Guide Thermo Scientific ...
Page 40: ...The Measurement Screen 1 26 NITON XL3 Analyzer User s Guide Thermo Scientific ...
Page 160: ...Entering Data with a Barcode reader 2 32 NITON XL3 Analyzer User s Guide Thermo Scientific ...
Page 200: ...Appendix F Appendices xviii NITON XL3 Analyzer User s Guide Thermo Scientific ...