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Spectral measurement source tracing method of rock core spectral scanner

A spectral measurement and scanner technology, applied in the direction of color/spectral characteristic measurement, etc., can solve problems such as data drift, pollution, comparability reduction, etc., and achieve the effect of eliminating drift errors

Inactive Publication Date: 2015-10-28
NANJING CENT CHINA GEOLOGICAL SURVEY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This technology uses an improved way for measuring spectral values accurately without any errors from external influences such as temperature or humidity changes over time. It also includes a specific process called calibration which helps compensate for variations between different instruments due to their manufacture differences. Overall this improves accuracy when analyzing samples with unknown characteristics like water content.

Problems solved by technology

This patented describes how important resources like rocks have been lost through exploitation activities such as oil well explorations and production studies. Consequently, acquiring accurate knowledge about them becomes crucial because they provide useful insights into their own existence and potential future prospectives. Current methods involve collectively analyzing entire samples taken at once with different types of instruments - including atomic absorption spectroscopy and optical coherence tomography - but this approach cannot ensure consistently reliable acquired data even if only small amounts were collected.

Method used

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  • Spectral measurement source tracing method of rock core spectral scanner
  • Spectral measurement source tracing method of rock core spectral scanner

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Experimental program
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Effect test

Embodiment 1

[0028]The rock core spectrum scanner spectral measurement traceability method of the present embodiment, the device of this method comprises rock core tray 5 and the rock core disk 6 that is arranged on the rock core tray 5, and rock core disk 6 is used for placing the rock core sample to be measured, and on the rock core disk 6 One side is provided with a reference plate mounting block, and the reference plate mounting block is formed with a first reference plate mounting hole for placing a standard reference plate 3 and a second reference plate mounting hole for placing an ordinary reference plate 4 In addition, the top of the core disk 6 is equipped with a core spectrum scanner 2 for measuring each core sample, common reference plate 4 and standard reference plate spectrum 3, and the core spectrum scanner 2 is provided with an alignment core disk 6 1. The probe 1 of the standard reference plate 3 and the common reference plate 4, and the rock core spectrum scanner 2 are conn...

Embodiment 2

[0038] The difference between this embodiment and the first embodiment is that the core sample to be scanned is the core of Zijinshan, Fujian, and the common reference plate has been exposed to the environment for more than 3 years, and has been polluted to a certain extent, the measured data.

Embodiment 3

[0040] The difference between this embodiment and the first embodiment is that the core sample to be scanned is the core of the Wulonggou gold mine, and the common reference plate is exposed to the environment for more than 1 year, and the measured data.

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Abstract

The invention relates to a spectral measurement source tracing method of a rock core spectral scanner. The method comprises measuring a spectral value of a standard reference plate by a rock core spectral scanner to obtain a dark current value of the rock core spectral scanner, measuring a rock core sample spectral value by the rock core spectral scanner, and carrying out correction on spectrum reflectivity of the rock core sample by the standard reference plate. Through a source tracing method, the spectral value of the reference plate of the apparatus is used as an intermediate transition spectrum so that data measured by the spectrograph utilizes the same standard reference plate as a reference and thus drift errors caused by environment factors in data measurement are eliminated.

Description

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Claims

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Application Information

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Owner NANJING CENT CHINA GEOLOGICAL SURVEY