Chromatography inspection apparatus and method for judging degradation of chromatography specimen
US8447084B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Oct 14, 2008 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Mar 3, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2201/1242
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
By measuring a luminance difference between predetermined two points or a luminance variation in a predetermined region in a state in which a liquid sample is developed in a chromatography specimen 1, and comparing the luminance difference or the luminance variation with a preset reference value, it is possible to automatically detect degradation such as a decrease in hydrophilicity in the lower portion of a liquid-impermeable sheet material 8 during a chromatography inspection, thereby enabling an accurate inspection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.