Analysis of Unprepared Samples – In Situ
1-40
NITON XL3 Analyzer User’s Guide
Thermo Scientific
Figure 1-3. Taking a reading from a rockface
Mining - Grade Control
Grade Control is the analysis of mined ore for the purpose of assuring that
the metal content of the ore is within desirable limits. Samples are taken
from the lot of ore and tested. The following technique may be used:
•
Clean the measurement window of your analyzer before and after taking
a sample to prevent cross-contamination.
•
Crush the sample to roughly gravel sized pieces.
•
Place the pieces into a cloth bag.
•
Take several readings of the bagged sample. For a 7 inch by 12 inch bag,
take at least three sample readings. If the readings vary widely, take more
readings, as the sample is not very homogeneous. The more readings
you take, the more accurate the estimate will be.
•
Average the readings.
•
Send the samples on for laboratory analysis if the averaged reading looks
interesting.
•
Clean the measurement window of your analyzer before and after taking
a sample to prevent cross-contamination.
Содержание NITON XL3t 500
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Страница 22: ...Applications Live Spectrum Feed 1 8 NITON XL3 Analyzer User s Guide Thermo Scientific ...
Страница 40: ...The Measurement Screen 1 26 NITON XL3 Analyzer User s Guide Thermo Scientific ...
Страница 66: ...The View Data Screen 1 52 NITON XL3 Analyzer User s Guide Thermo Scientific Figure 1 8 The SpectraView Screen ...
Страница 120: ...The Sort Element Display Menu 1 106 NITON XL3 Analyzer User s Guide Thermo Scientific Figure 1 40 Save Changes ...
Страница 160: ...Entering Data with a Barcode reader 2 32 NITON XL3 Analyzer User s Guide Thermo Scientific ...
Страница 182: ...Radiation and General Safety Contact Information 3 22 NITON XL3 Analyzer User s Guide Thermo Scientific ...
Страница 200: ...Appendix F Appendices xviii NITON XL3 Analyzer User s Guide Thermo Scientific ...